Mes: noviembre 2025

• Raja: (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raja abyssicola (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raja alba (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raja asterias (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raja batis (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raja binoculata (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raja clavata (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raja miraletus (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raja montagui (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raja naevus (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raja oxyrhynchus (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raja radiata (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raja radula (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raja undulata (Chordata, Chondrichthyes, Rajiformes, Raja)
• Rallietina sartica: (Platyhelminthes, Cestoda, Cyclophyllidea, Rallietina)
• Rallus: (Chordata, Aves, Gruiformes, Rallus)
• Rallus aquaticus (Chordata, Aves, Gruiformes, Rallus)
• Rallus caerulescens (Chordata, Aves, Gruiformes, Rallus)
• Rallus elegans (Chordata, Aves, Gruiformes, Rallus)
• Rallus limicola (Chordata, Aves, Gruiformes, Rallus)
• Rallus longirostris (Chordata, Aves, Gruiformes, Rallus)
• Rallus pectoralis (Chordata, Aves, Gruiformes, Rallus)
• Ramphastos: (Chordata, Aves, Piciformes, Ramphastos)
• Ramphastos sulfuratus (Chordata, Aves, Piciformes, Ramphastos)
• Ramphastos swainsonii (Chordata, Aves, Piciformes, Ramphastos)
• Ramphocelus passerinii: (Chordata, Aves, Passeriformes, Ramphocelus)
• Ramphocinclus brachyurus: (Chordata, Aves, Passeriformes, Ramphocinclus)
• Rana catesbeiana: (Chordata, Amphibia, Anura, Rana)
• Rana pipiens: (Chordata, Amphibia, Anura, Rana)
• Rana temporaria: (Chordata, Amphibia, Anura, Rana)
• Ranatra linearis: (Chordata, Insecta, Hemiptera, Ranatra)
• Rangifer tarandus: (Chordata, Mammalia, Artiodactyla, Rangifer)
• Ranzania: (Chordata, Actinopterygii, Tetraodontiformes, Ranzania)
• Ranzania laevis (Chordata, Actinopterygii, Tetraodontiformes, Ranzania)
• Ranzania truncata (Chordata, Actinopterygii, Tetraodontiformes, Ranzania)
• Raphicerus: (Chordata, Mammalia, Artiodactyla, Raphicerus)
• Raphicerus campestris campestris (Chordata, Mammalia, Artiodactyla, Raphicerus)
• Raphicerus neumanni (Chordata, Mammalia, Artiodactyla, Raphicerus)
• Raphicerus melanotis (Chordata, Mammalia, Artiodactyla, Raphicerus)
• Raphicerus sharpei (Chordata, Mammalia, Artiodactyla, Raphicerus)
• Rastrelliger canagurta: (Chordata, Actinopterygii, Scombriformes, Rastrelliger)
• Rattus: (Chordata, Mammalia, Rodentia, Rattus)
• Rattus natalensis (Chordata, Mammalia, Rodentia, Rattus)
• Rattus norvegicus (Chordata, Mammalia, Rodentia, Rattus)
• Rattus rattus (Chordata, Mammalia, Rodentia, Rattus)
• Rattus alexandrinus (Chordata, Mammalia, Rodentia, Rattus)
• Rattus frugivorus (Chordata, Mammalia, Rodentia, Rattus)
• Ratufa: (Chordata, Mammalia, Rodentia, Ratufa)
• Ratufa indica (Chordata, Mammalia, Rodentia, Ratufa)

• Quedius tristis: (Arthropoda, Insecta, Coleoptera, Quedius)
• Quelea: (Chordata, Aves, Passeriformes, Quelea)
• Quelea cardinalis (Chordata, Aves, Passeriformes, Quelea)
• Quelea erythrops (Chordata, Aves, Passeriformes, Quelea)
• Quelea quelea (Chordata, Aves, Passeriformes, Quelea)
• Quercusia: (Chordata, Aves, Passeriformes, Quercusia)
• Quercusia quercus (Chordata, Aves, Passeriformes, Quercusia)
• Quiscalus quiscula (Chordata, Aves, Passeriformes, Quiscalus)

• Polyborus: (Chordata, Aves, Falconiformes, Polyborus)
• Polyborus cheriway (Chordata, Aves, Falconiformes, Polyborus)
• Polyborus lutosus (Chordata, Aves, Falconiformes, Polyborus)
• Polybrachia: (Cnidaria, Hydrozoa, Capitata, Polybrachia)
• Polycelis: (Platyhelminthes, Turbellaria, Tricladida, Polycelis)
• Polycelis felina (Platyhelminthes, Turbellaria, Tricladida, Polycelis)
• Polycelis nigra (Platyhelminthes, Turbellaria, Tricladida, Polycelis)
• Polycentrus schomburgkii: (Chordata, Actinopterygii, Perciformes, Polycentrus)
• Polycirrus aurantiacus: (Annelida, Polychaeta, Terebellida, Polycirrus)
• Polydesmus: (Arthropoda, Diplopoda, Polydesmida, Polydesmus)
• Polydesmus gallicus (Arthropoda, Diplopoda, Polydesmida, Polydesmus)
• Polygonia c-album: (Arthropoda, Insecta, Lepidoptera, Polygonia)
• Polygordius: (Annelida, Polychaeta, Protodrilida, Polygordius)
• Polyipnus laternatus: (Chordata, Actinopterygii, Stomiiformes, Polyipnus)
• Polymitarcys virgo: (Arthropoda, Insecta, Ephemeroptera, Polymitarcys)
• Polyodon spathula: (Chordata, Actinopterygii, Acipenseriformes, Polyodon)
• Polyommatus icarus: (Arthropoda, Insecta, Lepidoptera, Polyommatus)
• Polyphemus pediculus: (Arthropoda, Branchiopoda, Diplostraca, Polyphemus)
• Polyphylla fullo: (Arthropoda, Insecta, Coleoptera, Polyphylla)
• Polyprion americanum: (Chordata, Actinopterygii, Perciformes, Polyprion)
• Polypterus bichir: (Chordata, Actinopterygii, Polypteriformes, Polypterus)
• Polysticta stelleri: (Chordata, Aves, Anseriformes, Polysticta)
• Polyxenus lagurus: (Arthropoda, Diplopoda, Polyxenida, Polyxenus)
• Pollachius pollachius: (Chordata, Actinopterygii, Gadiformes, Pollachius)
• Pollack: (Chordata, Actinopterygii, Gadiformes, Pollachius)
• Pollenia: (Arthropoda, Insecta, Diptera, Pollenia)
• Pollenia atramentaria (Arthropoda, Insecta, Diptera, Pollenia)
• Pollenia rudis (Arthropoda, Insecta, Diptera, Pollenia)
• Pollenia vespillo (Arthropoda, Insecta, Diptera, Pollenia)
• Pollicipes cornucopia: (Arthropoda, Maxillopoda, Pedunculata, Pollicipes)
• Pomacanthus: (Chordata, Actinopterygii, Perciformes, Pomacanthus)
• Pomacanthus imperator (Chordata, Actinopterygii, Perciformes, Pomacanthus)
• Pomacanthus paru (Chordata, Actinopterygii, Perciformes, Pomacanthus)
• Pomacanthus semicirculatus (Chordata, Actinopterygii, Perciformes, Pomacanthus)
• Pomatoceros: (Annelida, Polychaeta, Sabellida, Pomatoceros)
• Pomatoceros triqueter (Annelida, Polychaeta, Sabellida, Pomatoceros)
• Pomatomus saltatrix: (Chordata, Actinopterygii, Perciformes, Pomatomus)
• Pomolobus pseudoharengus: (Chordata, Actinopterygii, Clupeiformes, Pomolobus)
• Pomolunus chrysochloris: (Chordata, Actinopterygii, Clupeiformes, Pomolunus)
• Pompilus viaticus: (Arthropoda, Insecta, Hymenoptera, Pompilus)
• Pomponia imperatoria: (Arthropoda, Insecta, Hemiptera, Pomponia)
• Pongo: (Chordata, Mammalia, Primates, Pongo)
• Pongo pygmaeus abeli (Chordata, Mammalia, Primates, Pongo)
• Pongo pygmaeus (Chordata, Mammalia, Primates, Pongo)
• Pontania capreae: (Arthropoda, Insecta, Hymenoptera, Pontania)
• Pontella mediterranea: (Arthropoda, Maxillopoda, Calanoida, Pontella)
• Pontia: (Arthropoda, Insecta, Lepidoptera, Pontia)
• Pontia callidice (Arthropoda, Insecta, Lepidoptera, Pontia)
• Pontia daplidice (Arthropoda, Insecta, Lepidoptera, Pontia)
• Pontia helice (Arthropoda, Insecta, Lepidoptera, Pontia)
• Pontobdella muricata: (Annelida, Clitellata, Hirudinida, Pontobdella)
• Pontogenia chrysocoma: (Annelida, Polychaeta, Phyllodocida, Pontogenia)
• Pontonia flavomaculata: (Arthropoda, Malacostraca, Decapoda, Pontonia)
• Porania pulvillus: (Echinodermata, Asteroidea, Valvatida, Porania)
• Porcellana longicornis: (Arthropoda, Malacostraca, Decapoda, Porcellana)
• Porcellio: (Arthropoda, Malacostraca, Isopoda, Porcellio)
• Porcellio monticola (Arthropoda, Malacostraca, Isopoda, Porcellio)
• Porcellio scaber (Arthropoda, Malacostraca, Isopoda, Porcellio)
• Porichthys: (Chordata, Actinopterygii, Batrachoidiformes, Porichthys)
• Porichthys notatus (Chordata, Actinopterygii, Batrachoidiformes, Porichthys)
• Porichthys porosissimus (Chordata, Actinopterygii, Batrachoidiformes, Porichthys)
• Porina: (Ascomycota, Lecanoromycetes, Gyalectales, Porina)
• Porites: (Cnidaria, Anthozoa, Scleractinia, Porites)
• Porphyrio: (Chordata, Aves, Gruiformes, Porphyrio)
• Porphyrio alleni (Chordata, Aves, Gruiformes, Porphyrio)
• Porphyrio porphyrio (Chordata, Aves, Gruiformes, Porphyrio)
• Porphyrula: (Chordata, Aves, Gruiformes, Porphyrula)
• Porphyrula martinica (Chordata, Aves, Gruiformes, Porphyrula)
• Porpita: (Cnidaria, Hydrozoa, Anthoathecata, Porpita)
• Portumnus latipes: (Arthropoda, Malacostraca, Decapoda, Portumnus)
• Portunus: (Arthropoda, Malacostraca, Decapoda, Portunus)
• Portunus corrugatus (Arthropoda, Malacostraca, Decapoda, Portunus)
• Portunus hastatus (Arthropoda, Malacostraca, Decapoda, Portunus)
• Portunus holsatus (Arthropoda, Malacostraca, Decapoda, Portunus)
• Portunus puber (Arthropoda, Malacostraca, Decapoda, Portunus)
• Porzana: (Chordata, Aves, Gruiformes, Porzana)
• Porzana carolina (Chordata, Aves, Gruiformes, Porzana)
• Porzana parva (Chordata, Aves, Gruiformes, Porzana)
• Porzana porzana (Chordata, Aves, Gruiformes, Porzana)
• Porzana pusilla (Chordata, Aves, Gruiformes, Porzana)
• Potamanthus luteus: (Arthropoda, Insecta, Ephemeroptera, Potamanthus)
• Potamobius pallipes: (Arthropoda, Malacostraca, Decapoda, Potamobius)
• Potamochoerus porcus: (Chordata, Mammalia, Artiodactyla, Potamochoerus)
• Potamogale velox: (Chordata, Mammalia, Afrosoricida, Potamogale)
• Potamotrygon: (Chordata, Chondrichthyes, Myliobatiformes, Potamotrygon)
• Potorus tridactylus: (Chordata, Mammalia, Diprotodontia, Potorus)
• Potos flavus: (Chordata, Mammalia, Carnivora, Potos)
• Pratylenchus pratensis: (Nematoda, Secernentea, Tylenchida, Pratylenchus)
• Praunus inermis: (Arthropoda, Malacostraca, Mysida, Praunus)
• Prenolepis imparis: (Arthropoda, Insecta, Hymenoptera, Prenolepis)
• Presbytis: (Chordata, Mammalia, Primates, Presbytis)
• Presbytis entellus (Chordata, Mammalia, Primates, Presbytis)
• Presbytis geei (Chordata, Mammalia, Primates, Presbytis)
• Presbytis leucocephalus (Chordata, Mammalia, Primates, Presbytis)
• Presbytis obscurus (Chordata, Mammalia, Primates, Presbytis)
• Presbytis rubicundus (Chordata, Mammalia, Primates, Presbytis)
• Presbytis senex (Chordata, Mammalia, Primates, Presbytis)
• Priapocephalus grandis: (Platyhelminthes, Cestoda, Trypanorhyncha, Priapocephalus)
• Priocnemius fuscus: (Arthropoda, Insecta, Hymenoptera, Priocnemius)
• Priodontes gigas: (Chordata, Mammalia, Cingulata, Priodontes)
• Prionodon: (Chordata, Mammalia, Carnivora, Prionodon)
• Prionodon linsang (Chordata, Mammalia, Carnivora, Prionodon)
• Prionodon pardicolor (Chordata, Mammalia, Carnivora, Prionodon)
• Prionotropis flexuosa: (Arthropoda, Insecta, Orthoptera, Prionotropis)
• Prionotus carolinus: (Chordata, Actinopterygii, Scorpaeniformes, Prionotus)
• Pristella riddlei: (Chordata, Actinopterygii, Characiformes, Pristella)
• Pristiphora erichsonii: (Arthropoda, Insecta, Hymenoptera, Pristiphora)
• Pristis: (Chordata, Chondrichthyes, Pristiformes, Pristis)
• Pristis cuspidatus (Chordata, Chondrichthyes, Pristiformes, Pristis)
• Pristis pectinatus (Chordata, Chondrichthyes, Pristiformes, Pristis)
• Pristis perotteti (Chordata, Chondrichthyes, Pristiformes, Pristis)
• Pristis pristis (Chordata, Chondrichthyes, Pristiformes, Pristis)
• Prithesancus brawni: (Arthropoda, Insecta, Hemiptera, Prithesancus)
• Proales latrunculus: (Rotifera, Monogononta, Ploimida, Proales)
• Probosciger aterrimus: (Chordata, Aves, Psittaciformes, Probosciger)
• Procapra: (Chordata, Mammalia, Artiodactyla, Procapra)
• Procapra gutturosa (Chordata, Mammalia, Artiodactyla, Procapra)
• Procapromys geayi: (Chordata, Mammalia, Rodentia, Procapromys)
• Procavia capensis: (Chordata, Mammalia, Hyracoidea, Procavia)
• Procellaria diomedea: (Chordata, Aves, Procellariiformes, Procellaria)
• Procerodes lobata: (Platyhelminthes, Turbellaria, Tricladida, Procerodes)
• Processa edulis: (Arthropoda, Malacostraca, Decapoda, Processa)
• Procnias: (Chordata, Aves, Passeriformes, Procnias)
• Procnias averano (Chordata, Aves, Passeriformes, Procnias)
• Procnias tricarunculata (Chordata, Aves, Passeriformes, Procnias)
• Procris: (Arthropoda, Insecta, Lepidoptera, Procris)
• Procris hispanica (Arthropoda, Insecta, Lepidoptera, Procris)
• Procris statices (Arthropoda, Insecta, Lepidoptera, Procris)
• Proctoporus shrevei: (Chordata, Reptilia, Squamata, Proctoporus)
• Procyon: (Chordata, Mammalia, Carnivora, Procyon)
• Procyon cancrivorus (Chordata, Mammalia, Carnivora, Procyon)
• Procyon lotor (Chordata, Mammalia, Carnivora, Procyon)
• Profelis aurata: (Chordata, Mammalia, Carnivora, Profelis)
• Proformica: (Arthropoda, Insecta, Hymenoptera, Proformica)
• Proformica ferreri (Arthropoda, Insecta, Hymenoptera, Proformica)
• Proformica nasuta (Arthropoda, Insecta, Hymenoptera, Proformica)
• Progalago: (Chordata, Mammalia, Primates, Progalago)
• Progne subis: (Chordata, Aves, Passeriformes, Progne)
• Progyrator mamertinus: (Arthropoda, Insecta, Diptera, Progyrator)
• Prolabia arachidis: (Arthropoda, Insecta, Dermaptera, Prolabia)
• Promerops: (Chordata, Aves, Passeriformes, Promerops)
• Promerops cafer (Chordata, Aves, Passeriformes, Promerops)
• Promerops gurneyi (Chordata, Aves, Passeriformes, Promerops)
• Propithecus: (Chordata, Mammalia, Primates, Propithecus)
• Propithecus diadema diadema (Chordata, Mammalia, Primates, Propithecus)
• Propithecus edwardsi (Chordata, Mammalia, Primates, Propithecus)
• Propithecus perrieri (Chordata, Mammalia, Primates, Propithecus)
• Propithecus verreauxi coquereli (Chordata, Mammalia, Primates, Propithecus)
• Propithecus coronatus (Chordata, Mammalia, Primates, Propithecus)
• Propithecus deckeni (Chordata, Mammalia, Primates, Propithecus)
• Propithecus verreauxi (Chordata, Mammalia, Primates, Propithecus)
• Propotto: (Chordata, Mammalia, Primates, Propotto)
• Propylea: (Arthropoda, Insecta, Coleoptera, Propylea)
• Propylea punctata (Arthropoda, Insecta, Coleoptera, Propylea)
• Prosopium: (Chordata, Actinopterygii, Salmoniformes, Prosopium)
• Prosthemadera novae-zeelandiae: (Chordata, Aves, Passeriformes, Prosthemadera)
• Proteles cristatus: (Chordata, Mammalia, Carnivora, Proteles)
• Proteus anguinus: (Chordata, Amphibia, Urodela, Proteus)
• Protocalliphora coerulea: (Arthropoda, Insecta, Diptera, Protocalliphora)
• Protocystis xiphodon: (Platyhelminthes, Cestoda, Cyclophyllidea, Protocystis)
• Protoglossus koehleri: (Hemichordata, Enteropneusta, Harrimaniidae, Protoglossus)
• Protonotaria citrea: (Chordata, Aves, Passeriformes, Protonotaria)
• Protopterus: (Chordata, Sarcopterygii, Lepidosireniformes, Protopterus)
• Protopterus aethiopicus (Chordata, Sarcopterygii, Lepidosireniformes, Protopterus)
• Protoreaster lincki: (Echinodermata, Asteroidea, Valvatida, Protoreaster)
• Protoxerus stangeri: (Chordata, Mammalia, Rodentia, Protoxerus)
• Protrama caudata: (Arthropoda, Insecta, Diptera, Protrama)
• Protula intestinum: (Annelida, Polychaeta, Serpulida, Protula)
• Prunella: (Chordata, Aves, Passeriformes, Prunella)
• Prunella collaris (Chordata, Aves, Passeriformes, Prunella)
• Prunella modularis (Chordata, Aves, Passeriformes, Prunella)
• Psammechinus: (Echinodermata, Echinoidea, Camarodonta, Psammechinus)
• Psammechinus microtuberculatus (Echinodermata, Echinoidea, Camarodonta, Psammechinus)
• Psammechinus miliaris (Echinodermata, Echinoidea, Camarodonta, Psammechinus)
• Psammodromus algirus: (Chordata, Reptilia, Squamata, Psammodromus)
• Psammomys obesus: (Chordata, Mammalia, Rodentia, Psammomys)
• Psammophis: (Chordata, Reptilia, Squamata, Psammophis)
• Psarisomus dalhousiae: (Chordata, Aves, Passeriformes, Psarisomus)
• Psarocolius decumanus: (Chordata, Aves, Passeriformes, Psarocolius)
• Pselaphochernes lacertosus: (Arthropoda, Arachnida, Pseudoscorpiones, Pselaphochernes)
• Pselnophorus baptodactylus: (Arthropoda, Insecta, Lepidoptera, Pselnophorus)
• Psephurus gladius: (Chordata, Actinopterygii, Acipenseriformes, Psephurus)
• Psetta maxima: (Chordata, Actinopterygii, Pleuronectiformes, Psetta)
• Psettichthys melanostictus: (Chordata, Actinopterygii, Pleuronectiformes, Psettichthys)
• Pseudacris nigrita: (Chordata, Amphibia, Anura, Pseudacris)
• Pseudagenia carbonaria: (Arthropoda, Insecta, Hymenoptera, Pseudagenia)
• Pseudemydura umbrina: (Chordata, Reptilia, Testudines, Pseudemydura)
• Pseudemys: (Chordata, Reptilia, Testudines, Pseudemys)
• Pseudemys scripta (Chordata, Reptilia, Testudines, Pseudemys)
• Pseudibis papillosa: (Chordata, Aves, Pelecaniformes, Pseudibis)
• Pseudis: (Chordata, Amphibia, Anura, Pseudis)
• Pseudis paradoxa (Chordata, Amphibia, Anura, Pseudis)
• Pseudis bolbodactyla (Chordata, Amphibia, Anura, Pseudis)
• Pseudis caribensis (Chordata, Amphibia, Anura, Pseudis)
• Pseudis fusca (Chordata, Amphibia, Anura, Pseudis)
• Pseudis paradoxa (Chordata, Amphibia, Anura, Pseudis)
• Pseudis platensis (Chordata, Amphibia, Anura, Pseudis)
• Pseudis occidentalis (Chordata, Amphibia, Anura, Pseudis)
• Pseudobranchus striatus: (Chordata, Amphibia, Urodela, Pseudobranchus)
• Pseudocalyptomena graueri: (Chordata, Aves, Passeriformes, Pseudocalyptomena)
• Pseudococcus: (Arthropoda, Insecta, Hemiptera, Pseudococcus)
• Pseudocreobotra: (Arthropoda, Insecta, Mantodea, Pseudocreobotra)
• Pseudocreobotra wahlbergi (Arthropoda, Insecta, Mantodea, Pseudocreobotra)
• Pseudocheirus lanuginosus: (Chordata, Mammalia, Diprotodontia, Pseudocheirus)
• Pseudochelidon: (Chordata, Aves, Passeriformes, Pseudochelidon)
• Pseudochelidon eurystomina (Chordata, Aves, Passeriformes, Pseudochelidon)
• Pseudochelidon sirintarae (Chordata, Aves, Passeriformes, Pseudochelidon)
• Pseudochelidura sinuata: (Arthropoda, Insecta, Dermaptera, Pseudochelidura)
• Pseudorca crassidens: (Chordata, Mammalia, Cetacea, Pseudorca)
• Pseudoseisura lophotes: (Chordata, Aves, Passeriformes, Pseudoseisura)
• Pseudotachea: (Mollusca, Gastropoda, Stylommatophora, Pseudotachea)
• Pseudotriton montanus: (Chordata, Amphibia, Urodela, Pseudotriton)
• Pseudopeneus maculatus: (Chordata, Actinopterygii, Perciformes, Pseudopeneus)
• Psittacula: (Chordata, Aves, Psittaciformes, Psittacula)
• Psittacula cyanocephala (Chordata, Aves, Psittaciformes, Psittacula)
• Psittacula krameri (Chordata, Aves, Psittaciformes, Psittacula)
• Psittacus erithacus: (Chordata, Aves, Psittaciformes, Psittacus)
• Psococerastis gibbosus: (Arthropoda, Insecta, Psocodea, Psococerastis)
• Psocus bipunctatus: (Arthropoda, Insecta, Psocodea, Psocus)
• Psolus diomediae: (Echinodermata, Holothuroidea, Dendrochirotida, Psolus)
• Psophia: (Chordata, Aves, Gruiformes, Psophia)
• Psophia crepitans (Chordata, Aves, Gruiformes, Psophia)
• Psophia leucoptera (Chordata, Aves, Gruiformes, Psophia)
• Psophia viridis (Chordata, Aves, Gruiformes, Psophia)
• Psophus stridulus: (Arthropoda, Insecta, Orthoptera, Psophus)
• Psyche: (Arthropoda, Insecta, Lepidoptera, Psyche)
• Psyche constancella (Arthropoda, Insecta, Lepidoptera, Psyche)
• Psyche helix (Arthropoda, Insecta, Lepidoptera, Psyche)
• Psychoda phalaenoides: (Arthropoda, Insecta, Diptera, Psychoda)
• Psylla: (Arthropoda, Insecta, Hemiptera, Psylla)
• Psylla mali (Arthropoda, Insecta, Hemiptera, Psylla)
• Psylla pyricola (Arthropoda, Insecta, Hemiptera, Psylla)
• Pteridophora alberti: (Chordata, Aves, Passeriformes, Pteridophora)
• Pternistis leucoscepus: (Chordata, Aves, Galliformes, Pternistis)
• Pterocallidium trifolii: (Arthropoda, Insecta, Hemiptera, Pterocallidium)
• Pterocles: (Chordata, Aves, Pterocliformes, Pterocles)
• Pterocles alchata (Chordata, Aves, Pterocliformes, Pterocles)
• Pterocles orientalis (Chordata, Aves, Pterocliformes, Pterocles)
• Pterocnemia pennata: (Chordata, Aves, Rheiformes, Pterocnemia)
• Pterocomma populeum: (Arthropoda, Insecta, Hemiptera, Pterocomma)
• Pteroeis spinosum: (Chordata, Aves, Passeriformes, Pteroeis)
• Pteroglossus: (Chordata, Aves, Piciformes, Pteroglossus)
• Pteroglossus beauharnaesii (Chordata, Aves, Piciformes, Pteroglossus)
• Pteroglossus torquatus (Chordata, Aves, Piciformes, Pteroglossus)
• Pterognatha gigas: (Arthropoda, Arachnida, Araneae, Pterognatha)
• Pteroides griseum: (Chordata, Mammalia, Chiroptera, Pteroides)
• Pterois: (Chordata, Actinopterygii, Scorpaeniformes, Pterois)
• Pterois antennata (Chordata, Actinopterygii, Scorpaeniformes, Pterois)
• Pterois volitans (Chordata, Actinopterygii, Scorpaeniformes, Pterois)
• Pteromalus puparum: (Arthropoda, Insecta, Hymenoptera, Pteromalus)
• Pteromylaeus bovinus: (Chordata, Chondrichthyes, Myliobatiformes, Pteromylaeus)
• Pteronarcys californica: (Arthropoda, Insecta, Plecoptera, Pteronarcys)
• Pteronura brasiliensis: (Chordata, Mammalia, Carnivora, Pteronura)
• Pterophorus: (Arthropoda, Insecta, Lepidoptera, Pterophorus)
• Pterophorus monodactylus (Arthropoda, Insecta, Lepidoptera, Pterophorus)
• Pterophorus pentadactylus (Arthropoda, Insecta, Lepidoptera, Pterophorus)
• Pterophylla camellifolia: (Arthropoda, Insecta, Orthoptera, Pterophylla)
• Pterophyllum: (Chordata, Actinopterygii, Perciformes, Pterophyllum)
• Pterophyllum altum (Chordata, Actinopterygii, Perciformes, Pterophyllum)
• Pterophyllum eimekei (Chordata, Actinopterygii, Perciformes, Pterophyllum)
• Pterophyllum scalare (Chordata, Actinopterygii, Perciformes, Pterophyllum)
• Pteropodocys maxima: (Chordata, Aves, Passeriformes, Pteropodocys)
• Pteroptochos: (Chordata, Aves, Passeriformes, Pteroptochos)
• Pteroptochos megapodius (Chordata, Aves, Passeriformes, Pteroptochos)
• Pteroptochos tarnii (Chordata, Aves, Passeriformes, Pteroptochos)
• Pteropus: (Chordata, Mammalia, Chiroptera, Pteropus)
• Pteropus gouldi (Chordata, Mammalia, Chiroptera, Pteropus)
• Pteropus vampyrus (Chordata, Mammalia, Chiroptera, Pteropus)
• Pterosagitta draco: (Chaetognatha, Sagittoidea, Aphragmophora, Pterosagitta)
• Ptilinopus: (Chordata, Aves, Columbiformes, Ptilinopus)
• Ptilocercus lowi: (Chordata, Mammalia, Scandentia, Ptilocercus)
• Ptilonorhynchus violaceus: (Chordata, Aves, Passeriformes, Ptilonorhynchus)
• Ptiloris: (Chordata, Aves, Passeriformes, Ptiloris)
• Ptyas mucosus: (Chordata, Reptilia, Squamata, Ptyas)
• Ptychoptera contaminata: (Arthropoda, Insecta, Diptera, Ptychoptera)
• Ptyonoprogne rupestris: (Chordata, Aves, Passeriformes, Ptyonoprogne)
• Pudu: (Chordata, Mammalia, Artiodactyla, Pudu)
• Pudu mephistopheles (Chordata, Mammalia, Artiodactyla, Pudu)
• Pudu pudu (Chordata, Mammalia, Artiodactyla, Pudu)
• Puffinus: (Chordata, Aves, Procellariiformes, Puffinus)
• Puffinus assimilis (Chordata, Aves, Procellariiformes, Puffinus)
• Puffinus gavia (Chordata, Aves, Procellariiformes, Puffinus)
• Puffinus griseus (Chordata, Aves, Procellariiformes, Puffinus)
• Puffinus heinrothi (Chordata, Aves, Procellariiformes, Puffinus)
• Puffinus nativitatis (Chordata, Aves, Procellariiformes, Puffinus)
• Puffinus puffinus (Chordata, Aves, Procellariiformes, Puffinus)
• Puffinus tenuirostris (Chordata, Aves, Procellariiformes, Puffinus)
• Pugettia: (Arthropoda, Malacostraca, Decapoda, Pugettia)
• Pugettia producta (Arthropoda, Malacostraca, Decapoda, Pugettia)
• Pulex irritans: (Arthropoda, Insecta, Siphonaptera, Pulex)
• Pulvinaria vitis: (Arthropoda, Insecta, Hemiptera, Pulvinaria)
• Pusa: (Chordata, Mammalia, Carnivora, Pusa)
• Pusa caspica (Chordata, Mammalia, Carnivora, Pusa)
• Pusa hispida (Chordata, Mammalia, Carnivora, Pusa)
• Pusa sibirica (Chordata, Mammalia, Carnivora, Pusa)
• Putorius: (Chordata, Mammalia, Carnivora, Putorius)
• Putorius eversmanni (Chordata, Mammalia, Carnivora, Putorius)
• Putorius putorius (Chordata, Mammalia, Carnivora, Putorius)
• Putorius furo (Chordata, Mammalia, Carnivora, Putorius)
• Pycnodonte: (Mollusca, Bivalvia, Ostreida, Pycnodonte)
• Pycnogonum litorale: (Arthropoda, Pycnogonida, Pantopoda, Pycnogonum)
• Pycnonotus: (Chordata, Aves, Passeriformes, Pycnonotus)
• Pycnonotus barbatus (Chordata, Aves, Passeriformes, Pycnonotus)
• Pycnonotus cafer (Chordata, Aves, Passeriformes, Pycnonotus)
• Pycnonotus flaviventris (Chordata, Aves, Passeriformes, Pycnonotus)
• Pycnonotus jocosus (Chordata, Aves, Passeriformes, Pycnonotus)
• Pycnonotus leucogenys (Chordata, Aves, Passeriformes, Pycnonotus)
• Pygathrix hemaeus: (Chordata, Mammalia, Primates, Pygathrix)
• Pygoscelis: (Chordata, Aves, Sphenisciformes, Pygoscelis)
• Pygoscelis adeliae (Chordata, Aves, Sphenisciformes, Pygoscelis)
• Pygoscelis papua (Chordata, Aves, Sphenisciformes, Pygoscelis)
• Pylocheles: (Arthropoda, Malacostraca, Decapoda, Pylocheles)
• Pylopagurus: (Arthropoda, Malacostraca, Decapoda, Pylopagurus)
• Pyralis regalis: (Arthropoda, Insecta, Lepidoptera, Pyralis)
• Pyrausta nubilalis: (Arthropoda, Insecta, Lepidoptera, Pyrausta)
• Pyrgomorpha conica: (Arthropoda, Insecta, Orthoptera, Pyrgomorpha)
• Pyrgus: (Arthropoda, Insecta, Lepidoptera, Pyrgus)
• Pyrgus accreta (Arthropoda, Insecta, Lepidoptera, Pyrgus)
• Pyrgus armoricanus (Arthropoda, Insecta, Lepidoptera, Pyrgus)
• Pyrgus malvae (Arthropoda, Insecta, Lepidoptera, Pyrgus)
• Pyrocephalus rubinus: (Chordata, Aves, Passeriformes, Pyrocephalus)
• Pyronia: (Arthropoda, Insecta, Lepidoptera, Pyronia)
• Pyronia bathseba (Arthropoda, Insecta, Lepidoptera, Pyronia)
• Pyronia cecilia (Arthropoda, Insecta, Lepidoptera, Pyronia)
• Pyronia tithonus (Arthropoda, Insecta, Lepidoptera, Pyronia)
• Phyrophorus: (Arthropoda, Insecta, Coleoptera, Phyrophorus)
• Phyrophorus noctilucus (Arthropoda, Insecta, Coleoptera, Phyrophorus)
• Pyrosoma: (Chordata, Thaliacea, Pyrosomatida, Pyrosoma)
• Pyrosoma atlanticum (Chordata, Thaliacea, Pyrosomatida, Pyrosoma)
• Pyrosoma elegans (Chordata, Thaliacea, Pyrosomatida, Pyrosoma)
• Pyrrhocorax: (Chordata, Aves, Passeriformes, Pyrrhocorax)
• Pyrrhocorax graculus (Chordata, Aves, Passeriformes, Pyrrhocorax)
• Pyrrhocorax pyrrhocorax (Chordata, Aves, Passeriformes, Pyrrhocorax)
• Pyrrhopyge: (Arthropoda, Insecta, Lepidoptera, Pyrrhopyge)
• Pyrrhula pyrrhula: (Chordata, Aves, Passeriformes, Pyrrhula)
• Pyrrhuloxia cardinalis: (Chordata, Aves, Passeriformes, Pyrrhuloxia)
• Pytelia melba: (Chordata, Aves, Passeriformes, Pytelia)
• Python: (Chordata, Reptilia, Squamata, Python)
• Python anchietae (Chordata, Reptilia, Squamata, Python)
• Python curtus (Chordata, Reptilia, Squamata, Python)
• Python molurus (Chordata, Reptilia, Squamata, Python)
• Python regius (Chordata, Reptilia, Squamata, Python)
• Python reticulatus (Chordata, Reptilia, Squamata, Python)
• Python sebae (Chordata, Reptilia, Squamata, Python)
• Python timorensis (Chordata, Reptilia, Squamata, Python)
• Pyxicephalus adspersus: (Chordata, Amphibia, Anura, Pyxicephalus)
• Pyxipoma: (Mollusca, Gastropoda, Stylommatophora, Pyxipoma)
• Pyxis: (Chordata, Reptilia, Testudines, Pyxis)

• Rabihorcado: (Chordata, Aves, Suliformes, Fregata)
• Rabihorcado de Ascensión (Chordata, Aves, Suliformes, Fregata)
• Rabihorcado grande (Chordata, Aves, Suliformes, Fregata)
• Rabihorcado menor (Chordata, Aves, Suliformes, Fregata)
• Rabosa: (Chordata, Mammalia, Carnivora, Vulpes)
• Radiolarios: (Retaria, Polycystinea, Nassellaria, variado)
• Rana aljibe: (Chordata, Amphibia, Anura, Cyclorana)
• Rana arborícola brasileña: (Chordata, Amphibia, Anura, Phyllomedusa)
• Rana arborícola venenosa: (Chordata, Amphibia, Anura, Dendrobates)
• Rana arborícola venenosa bicolor (Chordata, Amphibia, Anura, Dendrobates)
• Rana arborícola venenosa de tres bandas (Chordata, Amphibia, Anura, Phyllobates)
• Rana arborícola venenosa dorada (Chordata, Amphibia, Anura, Phyllobates)
• Rana arborícola venenosa kokoi (Chordata, Amphibia, Anura, Phyllobates)
• Rana cornuda: (Chordata, Amphibia, Anura, Ceratophrys)
• Rana común europea: (Chordata, Amphibia, Anura, Rana)
• Rana común europea ágil (Chordata, Amphibia, Anura, Rana)
• Rana común europea patilarga (Chordata, Amphibia, Anura, Rana)
• Rana común europea meridional (Chordata, Amphibia, Anura, Rana)
• Rana corista: (Chordata, Amphibia, Anura, Pseudacris)
• Rana cruzada de Australia: (Chordata, Amphibia, Anura, Notaden)
• Rana de boca pequeña: (Chordata, Amphibia, Anura, Gastrophryne)
• Rana de cabeza corta: (Chordata, Amphibia, Anura, Pseudophryne)
• Rana de cabeza huesuda: (Chordata, Amphibia, Anura, Aparasphenodon)
• Rana de Darwin: (Chordata, Amphibia, Anura, Rhinoderma)
• Rana de Goeldi: (Chordata, Amphibia, Anura, Gastrotheca)
• Rana de hierba: (Chordata, Amphibia, Anura, Lithobates)
• Rana de incubación bucal: (Chordata, Amphibia, Anura, Rheobatrachus)
• Rana de invernadero: (Chordata, Amphibia, Anura, Lithobates)
• Rana de las hierbas: (Chordata, Amphibia, Anura, Pseudacris)
• Rana de los prados: (Chordata, Amphibia, Anura, Lithobates)
• Rana de la lluvia: (Chordata, Amphibia, Anura, Eleutherodactylus)
• Rana de prado americana: (Chordata, Amphibia, Anura, Lithobates)
• Rana de uñas: (Chordata, Amphibia, Anura, Xenopus)
• Rana globosa: (Chordata, Amphibia, Anura, Cyclorana)
• Rana grillo: (Chordata, Amphibia, Anura, Eleutherodactylus)
• Rana ladradora de Texas y México: (Chordata, Amphibia, Anura, Eleutherodactylus)
• Rana leopardo: (Chordata, Amphibia, Anura, Lithobates)
• Rana marsupial: (Chordata, Amphibia, Anura, Gastrotheca)
• Rana mugidora: (Chordata, Amphibia, Anura, Limnodynastes)
• Rana mugidora africana (Chordata, Amphibia, Anura, Pyxicephalus)
• Rana mugidora australiana (Chordata, Amphibia, Anura, Limnodynastes)
• Rana mugidora norteamericana (Chordata, Amphibia, Anura, Lithobates)
• Rana paradójica: (Chordata, Amphibia, Anura, Pseudis)
• Rana peluda: (Chordata, Amphibia, Anura, Trichobatrachus)
• Rana roja: (Chordata, Amphibia, Anura, Agalychnis)
• Rana toro sudamericana: (Chordata, Amphibia, Anura, Lithobates)
• Ranas domésticas: (Chordata, Amphibia, Anura, Xenopus)
• Ranas pescadoras: (Chordata, Amphibia, Anura, Ceratophrys)
• Ranas planeadoras: (Chordata, Amphibia, Anura, Rhacophorus)
• Ranas voladoras: (Chordata, Amphibia, Anura, Rhacophorus)
• Ranas voladoras de Borneo (Chordata, Amphibia, Anura, Rhacophorus)
• Ranas voladoras de Wallace (Chordata, Amphibia, Anura, Rhacophorus)
• Ranas voladoras de Malayas (Chordata, Amphibia, Anura, Rhacophorus)
• Rana voladora siamesa (Chordata, Amphibia, Anura, Rhacophorus)
• Ranita antillana: (Chordata, Amphibia, Anura, Eleutherodactylus)
• Ranita antillana listada (Chordata, Amphibia, Anura, Eleutherodactylus)
• Ranita antillana moteada (Chordata, Amphibia, Anura, Eleutherodactylus)
• Ranita del fango: (Chordata, Amphibia, Anura, Limnodynastes)
• Ranitas arborícolas: (Chordata, Amphibia, Anura, Litoria)
• Ranita arborícola africana (Chordata, Amphibia, Anura, Leptopelis)
• Ranita arborícola de voz de pájaro (Chordata, Amphibia, Anura, Litoria)
• Ranita arborícola de White (Chordata, Amphibia, Anura, Litoria)
• Ranita arborícola dorada (Chordata, Amphibia, Anura, Phyllomedusa)
• Ranita ardilla arborícola (Chordata, Amphibia, Anura, Rhacophorus)
• Ranita arborícola de Cuba (Chordata, Amphibia, Anura, Eleutherodactylus)
• Ranita arborícola de desfiladero (Chordata, Amphibia, Anura, Eleutherodactylus)
• Ranita arborícola de San Antonio (Chordata, Amphibia, Anura, Eleutherodactylus)
• Ranita arborícola de voz de pájaro (Chordata, Amphibia, Anura, Litoria)
• Ranita arborícola labradora (Chordata, Amphibia, Anura, Litoria)
• Ranita arborícola maqui (Chordata, Amphibia, Anura, Litoria)
• Ranita arborícola de Rhode (Chordata, Amphibia, Anura, Litoria)
• Ranita arborícola verde (Chordata, Amphibia, Anura, Litoria)
• Rape: (Chordata, Actinopterygii, Lophiiformes, Lophius)
• Rape común (Chordata, Actinopterygii, Lophiiformes, Lophius)
• Rape de los Sargazos (Chordata, Actinopterygii, Lophiiformes, Lophius)
• Rape menor (Chordata, Actinopterygii, Lophiiformes, Lophius)
• Rascacio: (Chordata, Actinopterygii, Scorpaeniformes, Scorpaena)
• Rascón: (Chordata, Aves, Gruiformes, Rallus)
• Rascón común (Chordata, Aves, Gruiformes, Rallus)
• Rascón de agua australiano (Chordata, Aves, Gruiformes, Zapornia)
• Rascón de El Cabo (Chordata, Aves, Gruiformes, Zapornia)
• Rascón de la isla Inaccesible (Chordata, Aves, Gruiformes, Zapornia)
• Rascón de Laysan (Chordata, Aves, Gruiformes, Zapornia)
• Rascón de Virginia (Chordata, Aves, Gruiformes, Rallus)
• Rascón de Wake (Chordata, Aves, Gruiformes, Zapornia)
• Rascón picolargo (Chordata, Aves, Gruiformes, Rallus)
• Rascón real (Chordata, Aves, Gruiformes, Rallus)
• Rascón silvestre (Chordata, Aves, Gruiformes, Rallus)
• Rascón weka (Chordata, Aves, Gruiformes, Gallirallus)
• Rata almizclada: (Chordata, Mammalia, Rodentia, Ondatra)
• Rata almizclada americana (Chordata, Mammalia, Rodentia, Ondatra)
• Rata almizclada de Terranova (Chordata, Mammalia, Rodentia, Ondatra)
• Rata antílope: (Chordata, Mammalia, Rodentia, Thallomys)
• Rata bandicut: (Chordata, Mammalia, Diprotodontia, Bandicota)
• Rata canguro: (Chordata, Mammalia, Diprotodontia, Bettongia)
• Rata canguro gigante (Chordata, Mammalia, Diprotodontia, Aepyprymnus)
• Rata canguro de Merriam (Chordata, Mammalia, Diprotodontia, Bettongia)
• Rata cebra: (Chordata, Mammalia, Rodentia, Nesokia)
• Rata comerciante: (Chordata, Mammalia, Rodentia, Rattus)
• Rata comerciante maderera de cola plumosa (Chordata, Mammalia, Rodentia, Rattus)
• Rata comerciante maderera de pies oscuros (Chordata, Mammalia, Rodentia, Rattus)
• Rata comerciante oriental (Chordata, Mammalia, Rodentia, Rattus)
• Rata común: (Chordata, Mammalia, Rodentia, Rattus)
• Rata conejo: (Chordata, Mammalia, Rodentia, Conilurus)
• Rata conejo de pies blancos (Chordata, Mammalia, Rodentia, Conilurus)
• Rata de agua: (Chordata, Mammalia, Rodentia, Hydromys)
• Rata de alcantarilla: (Chordata, Mammalia, Rodentia, Rattus)
• Rata de arena: (Chordata, Mammalia, Rodentia, Psammomys)
• Rata de barco: (Chordata, Mammalia, Rodentia, Rattus)
• Rata de Berdmore: (Chordata, Mammalia, Rodentia, Leopoldamys)
• Rata de cañaveral: (Chordata, Mammalia, Rodentia, Rattus)
• Rata de Hannover: (Chordata, Mammalia, Rodentia, Rattus)
• Rata de la luna: (Chordata, Mammalia, Rodentia, Rattus)
• Rata de los arrozales: (Chordata, Mammalia, Rodentia, Rattus)
• Rata de la caña: (Chordata, Mammalia, Rodentia, Rattus)
• Rata de los bambús: (Chordata, Mammalia, Rodentia, Rattus)
• Rata del mar: (Chordata, Mammalia, Rodentia, Rattus)
• Rata del mar Mediterráneo (Chordata, Mammalia, Rodentia, Rattus)
• Rata de mar septentrional (Chordata, Mammalia, Rodentia, Rattus)
• Rata del bambú: (Chordata, Mammalia, Rodentia, Dactylomys)
• Rata del Natal: (Chordata, Mammalia, Rodentia, Mastomys)
• Rata goliat: (Chordata, Mammalia, Rodentia, Cricetomys)
• Rata goliat acuática (Chordata, Mammalia, Rodentia, Phloeomys)
• Rata goliat arborícola gigante (Chordata, Mammalia, Rodentia, Phloeomys)
• Rata goliat arborícola de Nueva Guinea (Chordata, Mammalia, Rodentia, Uromys)
• Rata goliat de abazones africana (Chordata, Mammalia, Rodentia, Cricetomys)
• Rata goliat de cola desnuda de Nueva Guinea (Chordata, Mammalia, Rodentia, Uromys)
• Rata goliat de matorral (Chordata, Mammalia, Rodentia, Uromys)
• Rata goliat gigante de cola desnuda (Chordata, Mammalia, Rodentia, Uromys)
• Rata goliat gigante de Nueva Guinea (Chordata, Mammalia, Rodentia, Uromys)
• Rata goliat moteada (Chordata, Mammalia, Rodentia, Uromys)
• Rata hamster: (Chordata, Mammalia, Rodentia, Cricetus)
• Rata leñadora: (Chordata, Mammalia, Rodentia, Neotoma)
• Rata lunar: (Chordata, Mammalia, Rodentia, Dipodomys)
• Rata maderera: (Chordata, Mammalia, Rodentia, Rattus)
• Rata nativa: (Chordata, Mammalia, Rodentia, Rattus)
• Rata negra: (Chordata, Mammalia, Rodentia, Rattus)
• Rata noruega: (Chordata, Mammalia, Rodentia, Rattus)
• Rata obesa de arena: (Chordata, Mammalia, Rodentia, Psammomys)
• Rata parda: (Chordata, Mammalia, Rodentia, Rattus)
• Rata topo: (Chordata, Mammalia, Rodentia, Spalax)
• Rata topo de Palestina (Chordata, Mammalia, Rodentia, Spalax)
• Rata topo de India (Chordata, Mammalia, Rodentia, Nesokia)
• Rata topo sudamericana (Chordata, Mammalia, Rodentia, Ctenomys)
• Rata traficante: (Chordata, Mammalia, Rodentia, Rattus)
• Ratel: (Chordata, Mammalia, Carnivora, Mellivora)
• Ratilla: (Chordata, Mammalia, Rodentia, Mus)
• Ratón: (Chordata, Mammalia, Rodentia, Mus)
• Ratón africano de grandes dientes: (Chordata, Mammalia, Rodentia, Mastomys)
• Ratón arborícola de cola de pincel: (Chordata, Mammalia, Rodentia, Pogonomys)
• Ratón cebra: (Chordata, Mammalia, Rodentia, Mus)
• Ratón de abazones: (Chordata, Mammalia, Rodentia, Cricetomys)
• Ratón de bolsas: (Chordata, Mammalia, Diprotodontia, Pseudomys)
• Ratón de bolsas del desierto (Chordata, Mammalia, Diprotodontia, Pseudomys)
• Ratón de bolsas espinoso (Chordata, Mammalia, Diprotodontia, Acomys)
• Ratón de bolsas espinoso del bosque (Chordata, Mammalia, Diprotodontia, Acomys)
• Ratón de campo: (Chordata, Mammalia, Rodentia, Apodemus)
• Ratón de campo de cuello amarillo (Chordata, Mammalia, Rodentia, Apodemus)
• Ratón de campo americano (Chordata, Mammalia, Rodentia, Peromyscus)
• Ratón de campo americano de Florida (Chordata, Mammalia, Rodentia, Peromyscus)
• Ratón de campo americano de las montañas rocosas (Chordata, Mammalia, Rodentia, Peromyscus)
• Ratón de campo americano de Oldfield (Chordata, Mammalia, Rodentia, Peromyscus)
• Ratón de campo patiblanco (Chordata, Mammalia, Rodentia, Peromyscus)
• Ratón de cola gruesa: (Chordata, Mammalia, Rodentia, Acomys)
• Ratón de mar: (Chordata, Mammalia, Rodentia, Mus)
• Ratón de monte: (Chordata, Mammalia, Rodentia, Mus)
• Ratón de prado de cuatro rayas: (Chordata, Mammalia, Rodentia, Rhabdomys)
• Ratón de ribera: (Chordata, Mammalia, Rodentia, Clethrionomys)
• Ratón de las avellanas: (Chordata, Mammalia, Rodentia, Mus)
• Ratón de las cosechas: (Chordata, Mammalia, Rodentia, Mus)
• Ratón de las cosechas americano (Chordata, Mammalia, Rodentia, Peromyscus)
• Ratón de las cosechas del viejo mundo (Chordata, Mammalia, Rodentia, Mus)
• Ratón de los cocos: (Chordata, Mammalia, Rodentia, Mus)
• Ratón espinoso: (Chordata, Mammalia, Rodentia, Acomys)
• Ratón espinoso africano (Chordata, Mammalia, Rodentia, Acomys)
• Ratón espinoso asiático (Chordata, Mammalia, Rodentia, Acomys)
• Ratón espinoso de el Cabo (Chordata, Mammalia, Rodentia, Acomys)
• Ratón espinoso de el Cairo (Chordata, Mammalia, Rodentia, Acomys)
• Ratón espinoso dorado (Chordata, Mammalia, Rodentia, Acomys)
• Ratón listado: (Chordata, Mammalia, Rodentia, Mus)
• Ratón listado de campo (Chordata, Mammalia, Rodentia, Apodemus)
• Ratón marsupial: (Chordata, Mammalia, Diprotodontia, Antechinus)
• Ratón marsupial cavador (Chordata, Mammalia, Diprotodontia, Notomys)
• Ratón marsupial de cabeza plana (Chordata, Mammalia, Diprotodontia, Antechinus)
• Ratón marsupial de cola crestada (Chordata, Mammalia, Diprotodontia, Antechinus)
• Ratón marsupial de Macleay (Chordata, Mammalia, Diprotodontia, Antechinus)
• Ratón marsupial de pies anchos (Chordata, Mammalia, Diprotodontia, Antechinus)
• Ratón marsupial de pies estrechos (Chordata, Mammalia, Diprotodontia, Antechinus)
• Ratón rojo: (Chordata, Mammalia, Rodentia, Mus)
• Ratonero: (Chordata, Aves, Accipitriformes, Buteo)
• Ratonero australiano de pecho negro (Chordata, Aves, Accipitriformes, Buteo)
• Ratonero calzado (Chordata, Aves, Accipitriformes, Buteo)
• Ratonero común europeo (Chordata, Aves, Accipitriformes, Buteo)
• Ratonero chacal (Chordata, Aves, Accipitriformes, Buteo)
• Ratonero moro (Chordata, Aves, Accipitriformes, Buteo)
• Raya: (Chordata, Chondrichthyes, Rajiformes, Dasyatis)
• Raya abisal (Chordata, Chondrichthyes, Rajiformes, Bathyraja)
• Raya áspera (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raya bramante (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raya común (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raya de clavos (Chordata, Chondrichthyes, Rajiformes, Aetobatus)
• Raya de espejos (Chordata, Chondrichthyes, Rajiformes, Raja)
• Raya estrellada (Chordata, Chondrichthyes, Rajiformes, Amblyraja)
• Raya santiaguerra (Chordata, Chondrichthyes, Rajiformes, Raja)

• Quebrantahuesos: (Chordata, Aves, Accipitriformes, Gypaetus)
• Quelea: (Chordata, Aves, Passeriformes, Quelea)
• Quelea cardenal (Chordata, Aves, Passeriformes, Quelea)
• Quelea de cabeza roja (Chordata, Aves, Passeriformes, Quelea)
• Quelea de pico rojo (Chordata, Aves, Passeriformes, Quelea)
• Quetodontes: (Chordata, Actinopterygii, Perciformes, Chaetodon)
• Quetóptero: (Annelida, Polychaeta, Phyllodocida, Chaetopterus)
• Quetzal: (Chordata, Aves, Trogoniformes, Pharomachrus)
• Quetzal pavonino (Chordata, Aves, Trogoniformes, Pharomachrus)
• Quimera: (Chordata, Chondrichthyes, Chimaeriformes, Chimaera)
• Quimera de hocico bifurcado (Chordata, Chondrichthyes, Chimaeriformes, Chimaera)
• Quimera de pico en pala (Chordata, Chondrichthyes, Chimaeriformes, Harriotta)
• Quimera de pico en pala corto (Chordata, Chondrichthyes, Chimaeriformes, Harriotta)
• Quimera de pico en pala largo (Chordata, Chondrichthyes, Chimaeriformes, Harriotta)
• Quinnat: (Chordata, Actinopterygii, Salmoniformes, Oncorhynchus)
• Quionia: (Chordata, Aves, Charadriiformes, Pagophila)
• Quionia blanca (Chordata, Aves, Charadriiformes, Pagophila)
• Quionia menor (Chordata, Aves, Charadriiformes, Pagophila)
• Quíscalo: (Chordata, Aves, Passeriformes, Quiscalus)
• Quíscalo común (Chordata, Aves, Passeriformes, Quiscalus)
• Quíscalo de cola en cuña (Chordata, Aves, Passeriformes, Quiscalus)
• Quíscalo de Nicaragua (Chordata, Aves, Passeriformes, Quiscalus)
• Quíscalo de pico fino (Chordata, Aves, Passeriformes, Quiscalus)
• Quíscalo rabero (Chordata, Aves, Passeriformes, Quiscalus)
• Quíscalo de Moctezuma (Chordata, Aves, Passeriformes, Quiscalus)
• Quisquilla: (Arthropoda, Malacostraca, Decapoda, Crangon)
• Quisquilla común (Arthropoda, Malacostraca, Decapoda, Crangon)
• Quisquilla de agua dulce (Arthropoda, Malacostraca, Decapoda, Atyaephyra)
• Quisquilla de pinzas (Arthropoda, Malacostraca, Decapoda, Palaemonetes)
• Quisquilla de pradera (Arthropoda, Malacostraca, Decapoda, Palaemonetes)
• Quisquilla multicolor (Arthropoda, Malacostraca, Decapoda, Hippolyte)
• Quitón: (Mollusca, Polyplacophora, Chitonida, Chiton)
• Quoll: (Chordata, Mammalia, Dasyuromorphia, Dasyurus)

• Polla de agua: (Chordata, Aves, Gruiformes, Gallinula)
• Polla malgache: (Chordata, Aves, Gruiformes, Gallinula)
• Polla malgache parda (Chordata, Aves, Gruiformes, Gallinula)
• Polla malgache pechiblanca (Chordata, Aves, Gruiformes, Gallinula)
• Pollo de montaña :(Chordata, Aves, Galliformes, Oreortyx)
• Polluela: (Chordata, Aves, Gruiformes, Porzana)
• Polluela bastarda (Chordata, Aves, Gruiformes, Porzana)
• Polluela chica (Chordata, Aves, Gruiformes, Zapornia)
• Polluela de la carolina (Chordata, Aves, Gruiformes, Porzana)
• Polluela pintoja (Chordata, Aves, Gruiformes, Porzana)
• Pomacéntridos: (Chordata, Actinopterygii, Perciformes, Pomacentridae)
• Pez castañuela (Chordata, Actinopterygii, Perciformes, Chromis)
• Pez japuta (Chordata, Actinopterygii, Carangiformes, Brama)
• Pez negrita (Chordata, Actinopterygii, Perciformes, Abudefduf)
• Pez soldado (Chordata, Actinopterygii, Beryciformes, Myripristis)
• Pez azul (Chordata, Actinopterygii, Perciformes, Pomacentrus)
• Pez cromis azul (Chordata, Actinopterygii, Perciformes, Chromis)
• Pez garibaldi anaranjado (Chordata, Actinopterygii, Perciformes, Hypsypops)
• Pez damisela moteado (Chordata, Actinopterygii, Perciformes, Dascyllus)
• Pez payaso (Chordata, Actinopterygii, Perciformes, Amphiprion)
• Pez sargento mayor (Chordata, Actinopterygii, Perciformes, Abudefduf)
• Pompano atlántico: (Chordata, Actinopterygii, Carangiformes, Trachinotus)
• Pony de Shetland: (Chordata, Mammalia, Perissodactyla, Equus)
• Porcelana: (Arthropoda, Malacostraca, Decapoda, Pisidia)
• Porcelana común (Arthropoda, Malacostraca, Decapoda, Porcellana)
• Porcelana europea (Arthropoda, Malacostraca, Decapoda, Porcellana)
• Porcelana pardocastaña (Arthropoda, Malacostraca, Decapoda, Porcellana)
• Porcelana tigre (Arthropoda, Malacostraca, Decapoda, Porcellana)
• Porrón: (Chordata, Aves, Anseriformes, Aythya)
• Porrón australiano de ojo blanco (Chordata, Aves, Anseriformes, Aythya)
• Porrón bastardo (Chordata, Aves, Anseriformes, Aythya)
• Porrón cabecirrojo americano (Chordata, Aves, Anseriformes, Aythya)
• Porrón común americano (Chordata, Aves, Anseriformes, Aythya)
• Porrón europeo (Chordata, Aves, Anseriformes, Aythya)
• Porrón de cresta roja (Chordata, Aves, Anseriformes, Netta)
• Porrón de Nueva Zelanda (Chordata, Aves, Anseriformes, Aythya)
• Porrón moñudo (Chordata, Aves, Anseriformes, Aythya)
• Porrón osculado (Chordata, Aves, Anseriformes, Bucephala)
• Porrón pardo (Chordata, Aves, Anseriformes, Aythya)
• Potamógalo: (Chordata, Mammalia, Eulipotyphla, Micropotamogale)
• Potamógalo enano de Lamotte (Chordata, Mammalia, Eulipotyphla, Micropotamogale)
• Potamógalo del Ruwenzori (Chordata, Mammalia, Eulipotyphla, Micropotamogale)
• Potamógalo gigante (Chordata, Mammalia, Eulipotyphla, Micropotamogale)
• Poto: (Chordata, Mammalia, Primates, Perodicticus)
• Poto de Bosman (Chordata, Mammalia, Primates, Perodicticus)
• Potoro: (Chordata, Mammalia, Diprotodontia, Potorous)
• Potoyunco: (Chordata, Aves, Procellariiformes, Pelecanoides)
• Primita: (Chordata, Aves, Passeriformes, Prinia)
• Procesionaria: (Arthropoda, Insecta, Lepidoptera, Thaumetopoea)
• Procesionaria australiana (Arthropoda, Insecta, Lepidoptera, Ochrogaster)
• Procesionaria del pino (Arthropoda, Insecta, Lepidoptera, Thaumetopoea)
• Procesionaria del roble (Arthropoda, Insecta, Lepidoptera, Thaumetopoea)
• Protelo: (Chordata, Mammalia, Carnivora, Proteles)
• Pséudidos: (Arthropoda, Arachnida, Pseudoscorpiones, varios géneros)
• Psíquidos: (Arthropoda, Insecta, Lepidoptera, Psychidae)
• Pterois volador: (Chordata, Actinopterygii, Scorpaeniformes, Pterois)
• Pucu: (Chordata, Mammalia, Artiodactyla, Kobus)
• Pudu: (Chordata, Mammalia, Artiodactyla, Pudu)
• Puerco espín: (Chordata, Mammalia, Rodentia, Hystrix)
• Puerco espín común (Chordata, Mammalia, Rodentia, Hystrix)
• Puerco espín de cola de pincel (Chordata, Mammalia, Rodentia, Atherurus)
• Puerco espín de larga cola (Chordata, Mammalia, Rodentia, Trichys)
• Puerco espín andino (Chordata, Mammalia, Rodentia, Coendou)
• Puerco espín andino arborícola (Chordata, Mammalia, Rodentia, Coendou)
• Puerco espín andino de cresta (Chordata, Mammalia, Rodentia, Coendou)
• Puerco espín de Sudamérica (Chordata, Mammalia, Rodentia, Coendou)
• Puerco espín nativo (Chordata, Mammalia, Rodentia, Hystrix)
• Puerco espín norteamericano (Chordata, Mammalia, Rodentia, Erethizon)
• Pulga: (Arthropoda, Insecta, Siphonaptera, Pulex)
• Pulga de la gallina (Arthropoda, Insecta, Siphonaptera, Echidnophaga)
• Pulga de la musaraña común (Arthropoda, Insecta, Siphonaptera, Palaeopsylla)
• Pulga de la paloma (Arthropoda, Insecta, Siphonaptera, Ceratophyllus)
• Pulga de la rata (Arthropoda, Insecta, Siphonaptera, Xenopsylla)
• Pulga del avión zapador (Arthropoda, Insecta, Siphonaptera, Ceratophyllus)
• Pulga del cerdo (Arthropoda, Insecta, Siphonaptera, Haematopinus)
• Pulga del conejo (Arthropoda, Insecta, Siphonaptera, Spilopsyllus)
• Pulga del erizo (Arthropoda, Insecta, Siphonaptera, Archaeopsylla)
• Pulga del gato (Arthropoda, Insecta, Siphonaptera, Ctenocephalides)
• Pulga del hombre (Arthropoda, Insecta, Siphonaptera, Pulex)
• Pulga del murciélago (Arthropoda, Insecta, Siphonaptera, Ischnopsyllus)
• Pulga del pájaro carpintero (Arthropoda, Insecta, Siphonaptera, Ceratophyllus)
• Pulga del perro (Arthropoda, Insecta, Siphonaptera, Ctenocephalides)
• Pulga del ratón (Arthropoda, Insecta, Siphonaptera, Leptopsylla)
• Pulga del ratón de campo (Arthropoda, Insecta, Siphonaptera, Ctenophthalmus)
• Pulga del topo (Arthropoda, Insecta, Siphonaptera, Hystrichopsylla)
• Pulga del zorro (Arthropoda, Insecta, Siphonaptera, Ctenocephalides)
• Pulga de agua (Arthropoda, Branchiopoda, Diplostraca, Daphnia)
• Pulga de las ascidias (Arthropoda, Malacostraca, Amphipoda, Podocerus)
• Pulga de las ascidias de playa (Arthropoda, Malacostraca, Amphipoda, Podocerus)
• Pulgones: (Arthropoda, Insecta, Hemiptera, Aphidoidea)
• Pulgones americano de los manzanos (Arthropoda, Insecta, Hemiptera, Aphis)
• Pulgones de la col (Arthropoda, Insecta, Hemiptera, Brevicoryne)
• Pulgones de la lechuga (Arthropoda, Insecta, Hemiptera, Nasonovia)
• Pulgones de la lima (Arthropoda, Insecta, Hemiptera, Toxoptera)
• Pulgones de la patata (Arthropoda, Insecta, Hemiptera, Macrosiphum)
• Pulgones de la remolacha (Arthropoda, Insecta, Hemiptera, Aphis)
• Pulgones de las habas (Arthropoda, Insecta, Hemiptera, Aphis)
• Pulgones de los guisantes (Arthropoda, Insecta, Hemiptera, Acyrthosiphon)
• Pulgones del abeto (Arthropoda, Insecta, Hemiptera, Cinara)
• Pulgones del álamo (Arthropoda, Insecta, Hemiptera, Chaitophorus)
• Pulgones del arce (Arthropoda, Insecta, Hemiptera, Periphyllus)
• Pulgones del castaño (Arthropoda, Insecta, Hemiptera, Myzocallis)
• Pulgones del chopo (Arthropoda, Insecta, Hemiptera, Chaitophorus)
• Pulgones del grosellero (Arthropoda, Insecta, Hemiptera, Cryptomyzus)
• Pulgones del haya (Arthropoda, Insecta, Hemiptera, Phyllaphis)
• Pulgones del maíz (Arthropoda, Insecta, Hemiptera, Rhopalosiphum)
• Pulgones del melocotonero (Arthropoda, Insecta, Hemiptera, Myzus)
• Pulgones del olmo (Arthropoda, Insecta, Hemiptera, Eriosoma)
• Pulgones del pino (Arthropoda, Insecta, Hemiptera, Pineus)
• Pulgones del tilo (Arthropoda, Insecta, Hemiptera, Eucallipterus)
• Pulgones del trébol (Arthropoda, Insecta, Hemiptera, Nearctaphis)
• Pulgones negros (Arthropoda, Insecta, Hemiptera, Aphis)
• Pulgones verdes (Arthropoda, Insecta, Hemiptera, Myzus)
• Pulpo: (Mollusca, Cephalopoda, Octopoda, Octopus)
• Pulpo almizclado (Mollusca, Cephalopoda, Octopoda, Octopus)
• Pulpo blanco (Mollusca, Cephalopoda, Octopoda, Eledone)
• Pulpo común (Mollusca, Cephalopoda, Octopoda, Octopus)
• Pulpo de anillos azules (Mollusca, Cephalopoda, Octopoda, Hapalochlaena)
• Pulpo del Pacífico (Mollusca, Cephalopoda, Octopoda, Enteroctopus)
• Puma: (Chordata, Mammalia, Carnivora, Puma)
• Punta de lanza: (Chordata, Reptilia, Squamata, Bothrops)
• Punteador: (Chordata, Aves, Passeriformes, Poospiza)

Desde Earias insulana a Exonantes rondeletti

• Earias insulana [Arthropoda, Insecta, Lepidoptera]
• Eciton [Arthropoda, Insecta, Hymenoptera]
• Ectobius:
• Ectobius panzeri [Arthropoda, Insecta, Blattodea]
• Echeneibothrium variabile [Platyhelminthes, Cestoda, Rhinebothriidea]
• Echeneis naucrates [Chordata, Actinopterygii, Carangiformes]
• Echida:
• Echida nebulosa [Chordata, Actinopterygii, Synbranchiformes]
• Echida zebra [Chordata, Actinopterygii, Synbranchiformes]
• Echidnophaga gallinacea [Arthropoda, Insecta, Siphonaptera]
• Echinaster sepositus [Echinodermata, Asteroidea, Spinulosida]
• Echinocardium:
• Echinocardium cordatum [Echinodermata, Echinoidea, Spatangoida]
• Echinocardium mediterraneum [Echinodermata, Echinoidea, Spatangoida]
• Echinococcus granulosus [Platyhelminthes, Cestoda, Cyclophyllidea]
• Echinocyamus pusillus [Echinodermata, Echinoidea, Clypeasteroida]
• Echinomyia grossa [Arthropoda, Insecta, Diptera]
• Echinoprocta rufescens [Chordata, Mammalia, Pilosa]
• Echinops telfairi [Chordata, Mammalia, Afrosoricida]
• Echinosorex gymnurus [Chordata, Mammalia, Eulipotyphla]
• Echinostrephus molaris [Echinodermata, Echinoidea, Clypeasteroida]
• Echinus:
• Echinus esculentus [Echinodermata, Echinoidea, Echinoida]
• Echinus melo [Echinodermata, Echinoidea, Echinoida]
• Echiodon drummondi [Chordata, Actinopterygii, Beryciformes]
• Egaenasser extraordinarius [Chordata, Actinopterygii, Perciformes]
• Egretta:
• Egretta alba [Chordata, Aves, Pelecaniformes]
• Egretta garzetta [Chordata, Aves, Pelecaniformes]
• Egretta sacra [Chordata, Aves, Pelecaniformes]
• Egretta thula [Chordata, Aves, Pelecaniformes]
• Eidolon:
• Eidolon helvum [Chordata, Mammalia, Chiroptera]
• Eidolon sabaeum [Chordata, Mammalia, Chiroptera]
• Eisenia:
• Eisenia foetia [Annelida, Clitellata, Haplotaxida]
• Eisenia lucens [Annelida, Clitellata, Haplotaxida]
• Eiseniella tetraedra [Annelida, Clitellata, Haplotaxida]
• Elacantinus oceanops [Chordata, Actinopterygii, Perciformes]
• Elachistodon westermanni [Chordata, Sauropsida, Squamata]
• Elanus:
• Elanus caerufeus [Chordata, Aves, Accipitriformes]
• Elanus notatus [Chordata, Aves, Accipitriformes]
• Elanus scritus [Chordata, Aves, Accipitriformes]
• Elaphe:
• Elaphe guttata [Chordata, Sauropsida, Squamata]
• Elaphe longissima [Chordata, Sauropsida, Squamata]
• Elaphe obsoleta [Chordata, Sauropsida, Squamata]
• Elaphe quadrivittata [Chordata, Sauropsida, Squamata]
• Elaphe scalaris [Chordata, Sauropsida, Squamata]
• Elaphe vulpina [Chordata, Sauropsida, Squamata]
• Elaphodus cephalophus [Chordata, Mammalia, Artiodactyla]
• Elaphophyllum cornigerum [Plantae, Bryopsida, Hypnales]
• Elaphurus davidianus [Chordata, Mammalia, Artiodactyla]
• Elasmucha grisea [Arthropoda, Insecta, Hemiptera]
• Elassoma:
• Elassoma evergladei [Chordata, Actinopterygii, Perciformes]
• Elassoma zonatum [Chordata, Actinopterygii, Perciformes]
• Electrophorus electricus [Chordata, Actinopterygii, Gymnotiformes]
• Eledone:
• Eledone aldrovandii [Mollusca, Cephalopoda, Octopoda]
• Eledone cirrosa [Mollusca, Cephalopoda, Octopoda]
• Eledone moschata [Mollusca, Cephalopoda, Octopoda]
• Elephantulus [Chordata, Mammalia, Macroscelidea]
• Elephas indicus [Chordata, Mammalia, Proboscidea]
• Eleutherodactylus planirostris [Chordata, Amphibia, Anura]
• Eliomys quercinus [Chordata, Mammalia, Rodentia]
• Elminius [Arthropoda, Maxillopoda, Sessilia]
• Elphidium crispum [Foraminifera, Globothalamea, Rotaliida]
• Elysia viridis [Mollusca, Gastropoda, Sacoglossa]
• Emarginula:
• Emarginula elongata [Mollusca, Gastropoda, Vetigastropoda]
• Emarginula reticulata [Mollusca, Gastropoda, Vetigastropoda]
• Emberiza:
• Emberiza caesia [Chordata, Aves, Passeriformes]
• Emberiza calandra [Chordata, Aves, Passeriformes]
• Emberiza cia [Chordata, Aves, Passeriformes]
• Emberiza cirlus [Chordata, Aves, Passeriformes]
• Emberiza citrinella [Chordata, Aves, Passeriformes]
• Emberiza hortulana [Chordata, Aves, Passeriformes]
• Emberiza pusilla [Chordata, Aves, Passeriformes]
• Emberiza schoeniclus [Chordata, Aves, Passeriformes]
• Embiotoca:
• Embiotoca jacksoni [Chordata, Actinopterygii, Perciformes]
• Embiotoca lateralis [Chordata, Actinopterygii, Perciformes]
• Emerita [Arthropoda, Malacostraca, Decapoda]
• Emphytus viennensis [Arthropoda, Insecta, Hymenoptera]
• Empicoris caliciformis [Arthropoda, Insecta, Hemiptera]
• Empidonax virescens [Chordata, Aves, Passeriformes]
• Empis tesetalla [Arthropoda, Insecta, Diptera]
• Empria excisa [Arthropoda, Insecta, Hymenoptera]
• Empusa pennata [Arthropoda, Insecta, Mantodea]
• Emydura macquarriae [Chordata, Sauropsida, Testudines]
• Encarnia:
• Encarnia formosa [Cnidaria, Anthozoa, Scleractinia]
• Endolimax [Amoebozoa, Archamoebae, Endolimaxida]
• Endotricha flammealis [Arthropoda, Insecta, Lepidoptera]
• Endrosis sarcitrella [Arthropoda, Insecta, Lepidoptera]
• Engraulis:
• Engraulis encrasicholus [Chordata, Actinopterygii, Clupeiformes]
• Engraulis mordax [Chordata, Actinopterygii, Clupeiformes]
• Enhydra lutris [Chordata, Mammalia, Carnivora]
• Enicognathus leptorhynchus [Chordata, Aves, Psittaciformes]
• Enneacanthus gloriosus [Chordata, Actinopterygii, Centrarchiformes]
• Enophrys bison [Chordata, Actinopterygii, Scorpaeniformes]
• Ensatina creceator [Chordata, Amphibia, Urodela]
• Ensidera ensifera [Chordata, Aves, Apodiformes]
• Ensis:
• Ensis arcuatus [Mollusca, Bivalvia, Cardiida]
• Ensis ensis [Mollusca, Bivalvia, Cardiida]
• Ensis siliqua [Mollusca, Bivalvia, Cardiida]
• Entamoeba [Amoebozoa, Archamoebae, Amoebida]
• Entocannula [Ciliophora, Oligohymenophorea, Hymenostomatida]
• Entomobrya:
• Entomobrya albocmcta [Arthropoda, Entognatha, Collembola]
• Entomobrya mawsoni [Arthropoda, Entognatha, Collembola]
• Entomyzon cyanotis [Chordata, Aves, Passeriformes]
• Eobania vermiculata [Mollusca, Gastropoda, Stylommatophora]
• Eophila oculata [Annelida, Clitellata, Haplotaxida]
• Ephelota [Ciliophora, Phyllopharyngea, Ephelotida]
• Ephemera:
• Ephemera danica [Arthropoda, Insecta, Ephemeroptera]
• Ephemera vulgata [Arthropoda, Insecta, Ephemeroptera]
• Ephemerella ignita [Arthropoda, Insecta, Ephemeroptera]
• Ephesia kühniella [Arthropoda, Insecta, Lepidoptera]
• Ephipporhynchus senegalensis [Chordata, Actinopterygii, Perciformes]
• Epicauta velata [Arthropoda, Insecta, Coleoptera]
• Epicopeia polydora [Arthropoda, Insecta, Lepidoptera]
• Epidauria strigosa [Arthropoda, Insecta, Lepidoptera]
• Epigonum telescopium [Chordata, Actinopterygii, Acropomatiformes]
• Epilachna:
• Epilachna chrysomelina [Arthropoda, Insecta, Coleoptera]
• Epilachna dregei [Arthropoda, Insecta, Coleoptera]
• Epinephelus:
• Epinephelus adscensionis [Chordata, Actinopterygii, Perciformes]
• Epinephelus alexandrinus [Chordata, Actinopterygii, Perciformes]
• Epinephelus caninus [Chordata, Actinopterygii, Perciformes]
• Epinephelus gigas [Chordata, Actinopterygii, Perciformes]
• Epinephelus guaza [Chordata, Actinopterygii, Perciformes]
• Epinephelus itajara [Chordata, Actinopterygii, Perciformes]
• Epinephelus lanceolatus [Chordata, Actinopterygii, Perciformes]
• Epinephelus striatus [Chordata, Actinopterygii, Perciformes]
• Epiphanes senta [Rotifera, Monogononta, Ploima]
• Epixerus ebii [Chordata, Mammalia, Rodentia]
• Epomops franqueti [Chordata, Mammalia, Chiroptera]
• Equus:
• Equus asinus [Chordata, Mammalia, Perissodactyla]
• Equus asinus africanus [Chordata, Mammalia, Perissodactyla]
• Equus asinus asinus [Chordata, Mammalia, Perissodactyla]
• Equus burchelli antiquorum [Chordata, Mammalia, Perissodactyla]
• Equus burchelli antiquorum boehmi [Chordata, Mammalia, Perissodactyla]
• Equus burchelli antiquorum borensis [Chordata, Mammalia, Perissodactyla]
• Equus burchelli antiquorum burchelli [Chordata, Mammalia, Perissodactyla]
• Equus caballus [Chordata, Mammalia, Perissodactyla]
• Equus caballus gmelini [Chordata, Mammalia, Perissodactyla]
• Equus caballus przewalski [Chordata, Mammalia, Perissodactyla]
• Equus grevyi [Chordata, Mammalia, Perissodactyla]
• Equus hemionus [Chordata, Mammalia, Perissodactyla]
• Equus hemionus kiang [Chordata, Mammalia, Perissodactyla]
• Equus hemionus kulan [Chordata, Mammalia, Perissodactyla]
• Equus hemionus onager [Chordata, Mammalia, Perissodactyla]
• Equus johnstoni [Chordata, Mammalia, Perissodactyla]
• Equus quagga [Chordata, Mammalia, Perissodactyla]
• Equus zebra hartmannae [Chordata, Mammalia, Perissodactyla]
• Equus zebra [Chordata, Mammalia, Perissodactyla]
• Erato laevis [Mollusca, Gastropoda, Littorinimorpha]
• Erebia:
• Erebia alberganus [Arthropoda, Insecta, Lepidoptera]
• Erebia apiphron [Arthropoda, Insecta, Lepidoptera]
• Erebia epistygne [Arthropoda, Insecta, Lepidoptera]
• Erebia euryate [Arthropoda, Insecta, Lepidoptera]
• Erebia gorge [Arthropoda, Insecta, Lepidoptera]
• Erebia hispania [Arthropoda, Insecta, Lepidoptera]
• Erebia manto [Arthropoda, Insecta, Lepidoptera]
• Erebia pandrose [Arthropoda, Insecta, Lepidoptera]
• Erebia triarius [Arthropoda, Insecta, Lepidoptera]
• Erethizon dorsatum [Chordata, Mammalia, Rodentia]
• Eretmochelys imbricata [Chordata, Sauropsida, Testudines]
• Ergates faber [Arthropoda, Insecta, Coleoptera]
• Ericerus pe-la [Arthropoda, Insecta, Hemiptera]
• Erinaceus europaeus [Chordata, Mammalia, Eulipotyphla]
• Eriocampa limacina [Arthropoda, Insecta, Hymenoptera]
• Eriococcus:
• Eriococcus devoniensis [Arthropoda, Insecta, Hemiptera]
• Eriococcus spurius [Arthropoda, Insecta, Hemiptera]
• Eriococcus thymi [Arthropoda, Insecta, Hemiptera]
• Eriocottis andalusiella [Arthropoda, Insecta, Lepidoptera]
• Eriocheir sinensis [Arthropoda, Malacostraca, Decapoda]
• Erionota:
• Erionota thrax [Arthropoda, Insecta, Lepidoptera]
• Eriphia:
• Eriphia spinifrons [Arthropoda, Malacostraca, Decapoda]
• Eriphia verrucosa [rthropoda, Malacostraca, Decapoda]
• Erithacus rubecula [Chordata, Aves, Passeriformes]
• Ernarmonia [Arthropoda, Insecta, Lepidoptera]
• Erynnis tages [Arthropoda, Insecta, Lepidoptera]
• Erythrocebus patas [Chordata, Mammalia, Primates]
• Erythrolamprus [Chordata, Sauropsida, Squamata]
• Erythroneura flammigera [Arthropoda, Insecta, Hemiptera]
• Erronea:
• Erronea achatidea [Mollusca, Gastropoda, Littorinimorpha]
• Erronea piriformis [Mollusca, Gastropoda, Littorinimorpha]
• Eschatocephalus flavipes [Arthropoda, Insecta, Coleoptera]
• Eschrichtius glaucus [Chordata, Mammalia, Artiodactyla]
• Esox:
• Esox americanus [Chordata, Actinopterygii, Esociformes]
• Esox lucius [Chordata, Actinopterygii, Esociformes]
• Esox masquinongy [Chordata, Actinopterygii, Esociformes]
• Esox niger [Chordata, Actinopterygii, Esociformes]
• Esox reicherti [Chordata, Actinopterygii, Esociformes]
• Espagnella franzi [Arthropoda, Chilopoda, Geophilomorpha]
• Estenoborus perrisi [Arthropoda, Insecta, Coleoptera]
• Estrilda:
• Estrilda amandava [Chordata, Aves, Passeriformes]
• Estrilda astrild [Chordata, Aves, Passeriformes]
• Estrilda locustella [Chordata, Aves, Passeriformes]
• Estrilda melpoda [Chordata, Aves, Passeriformes]
• Estrilda perreini [Chordata, Aves, Passeriformes]
• Estrilda subflava [Chordata, Aves, Passeriformes]
• Estrilda temporalis [Chordata, Aves, Passeriformes]
• Estrilda troglodytes [Chordata, Aves, Passeriformes]
• Ethelcus pollinarius [Arthropoda, Insecta, Hymenoptera]
• Etheostoma nigrum [Chordata, Actinopterygii, Perciformes]
• Etmopterus spinax [Chordata, Chondrichthyes, Squaliformes]
• Euacanthus interruptus [Arthropoda, Insecta, Hemiptera]
• Euarctos americanus [Chordata, Mammalia, Carnivora]
• Eubalaena glacialis [Chordata, Mammalia, Artiodactyla]
• Eubranchipus vernalis [Arthropoda, Branchiopoda, Anostraca]
• Eubucco bourcieri salvini [Chordata, Aves, Piciformes]
• Eucallipterus tiliae [Arthropoda, Insecta, Hemipter]
• Euclidimera mi [Arthropoda, Insecta, Lepidoptera]
• Euclio pyramidata [Mollusca, Gastropoda, Stylommatophora]
• Euclismia quadrimaculata [Arthropoda, Insecta, Lepidoptera]
• Eucometis penicillata [Chordata, Aves, Passeriformes]
• Eucopia hanseni [Arthropoda, Malacostraca, Lophogastrida]
• Euchromis bella [Arthropoda, Insecta, Lepidoptera]
• Eudendrium ramosum [Cnidaria, Hydrozoa, Anthoathecata]
• Eudocimus:
• Eudocimus albus [Chordata, Aves, Pelecaniformes]
• Eudocimus ruber [Chordata, Aves, Pelecaniformes]
• Eudromia elegans [Chordata, Aves, Tinamiformes]
• Eudromias morinellus [Chordata, Aves, Charadriiformes]
• Eudromica lepida [Arthropoda, Insecta, Lepidoptera]
• Eudynamys scolopacea [Chordata, Aves, Cuculiformes]
• Euglypha [Rhizaria, Cercozoa, Euglyphida]
• Eulophus westwoodi [Arthropoda, Insecta, Hymenoptera]
• Eumeces:
• Eumeces fasciatus [Chordata, Sauropsida, Squamata]
• Eumeces skiltonianus [Chordata, Sauropsida, Squamata]
• Eumenes [Arthropoda, Insecta, Hymenoptera]
• Eumenis [Arthropoda, Insecta, Hymenoptera]
• Eumeta hardenbergi [Arthropoda, Insecta, Lepidoptera]
• Eumetopias jubatus [Chordata, Mammalia, Carnivora]
• Eumigus migratorius [Arthropoda, Insecta, Orthoptera]
• Eumomota superciliosa [Chordata, Aves, Coraciiformes]
• Eunectes:
• Eunectes murinus [Chordata, Sauropsida, Squamata]
• Eunectes notaeus [Chordata, Sauropsida, Squamata]
• Eunemertes neesii [Chordata, Sauropsida, Squamata]
• Euneomys [Chordata, Mammalia, Rodentia]
• Eunice:
• Eunice fucata [Annelida, Polychaeta, Eunicida]
• Eunice gigantea [Annelida, Polychaeta, Eunicida]
• Eunice harasii [Annelida, Polychaeta, Eunicida]
• Eunice oerstedii [Annelida, Polychaeta, Eunicida]
• Eunice siciliensis [Annelida, Polychaeta, Eunicida]
• Eunice torquata [Annelida, Polychaeta, Eunicida]
• Eunice viridis [Annelida, Polychaeta, Eunicida]
• Eunice vittata [Annelida, Polychaeta, Eunicida]
• Eunicella:
• Eunicella stricta [Cnidaria, Anthozoa, Alcyonacea]
• Eunicella verrucosa [Cnidaria, Anthozoa, Alcyonacea]
• Eunymphicus cornutus [Chordata, Aves, Psittaciformes]
• Eupharypha [Arthropoda, Insecta, Hemiptera]
• Euphausia:
• Euphausia brevis [Arthropoda, Malacostraca, Euphausiacea]
• Euphausia krohnii [Arthropoda, Malacostraca, Euphausiacea]
• Euphausia superba [Arthropoda, Malacostraca, Euphausiacea]
• Euphydryas:
• Euphydryas aurinia [Arthropoda, Insecta, Lepidoptera]
• Euphydryas debilis [Arthropoda, Insecta, Lepidoptera]
• Euplagia quadripunctaria [Arthropoda, Insecta, Lepidoptera]
• Euplectella:
• Euplectella aspergillum [Porifera, Hexactinellida, Lyssacinosida]
• Euplectella oweni [Porifera, Hexactinellida, Lyssacinosida]
• Euplectes:
• Euplectes afra [Chordata, Aves, Passeriformes]
• Euplectes capensis [Chordata, Aves, Passeriformes]
• Euplectes hordeaceus [Chordata, Aves, Passeriformes]
• Euplectes progne [Chordata, Aves, Passeriformes]
• Euplectrus cacocaire [Arthropoda, Insecta, Hymenoptera]
• Euproctus asper [Chordata, Amphibia, Urodela]
• Euprox minimus [Chordata, Mammalia, Artiodactyla]
• Eureum malleus [Arthropoda, Insecta, Lepidoptera]
• Eurostopodus:
• Eurostopodus guttatus [Chordata, Aves, Caprimulgiformes]
• Eurostopodus mystacalis [Chordata, Aves, Caprimulgiformes]
• Eurycea longicauda [Chordata, Amphibia, Urodela]
• Eurycyttarus confederata [Arthropoda, Insecta, Hymenoptera]
• Eurygaster integriceps [Arthropoda, Insecta, Hemiptera]
• Euryomma peregrinum [Arthropoda, Insecta, Diptera]
• Euryparyphes rugulosus [Arthropoda, Insecta, Orthoptera]
• Eurypharynx pelecanoides [Chordata, Actinopterygii, Saccopharyngiformes]
• Eurypyga helias [Chordata, Aves, Eurypygiformes]
• Eurystomus:
• Eurystomus glaucurus [Chordata, Aves, Coraciiformes]
• Eurystomus orientalis [Chordata, Aves, Coraciiformes]
• Eurytoma rosae [Arthropoda, Insecta, Hymenoptera]
• Euscenium eucolpium [Arthropoda, Insecta, Coleoptera]
• Euscorpius [Arthropoda, Arachnida, Scorpiones]
• Euschemon rafflesiae [Arthropoda, Insecta, Lepidoptera]
• Euspondylus [Chordata, Sauropsida, Squamata]
• Eutamias sibiricus [Chordata, Mammalia, Rodentia]
• Eutermes triodiae [Arthropoda, Insecta, Blattodea]
• Euxenura galeata [Chordata, Aves, Apodiformes]
• Euxoa conspicua [Arthropoda, Insecta, Lepidopter]
• Evania punctata [Arthropoda, Insecta, Hymenoptera]
• Everes argiades [Arthropoda, Insecta, Lepidopter]
• Exelastis atomosa [Arthropoda, Insecta, Lepidoptera]
• Exocoetus:
• Exocoetus evolans [Chordata, Actinopterygii, Beloniformes]
• Exocoetus spilopus [Chordata, Actinopterygii, Beloniformes]
• Exocoetus valitans [Chordata, Actinopterygii, Beloniformes]
• Exonantes:
• Exonantes rondeletti [Chordata, Actinopterygii, Ophidiiformes]

Desde Desmana moschata a Dytiscus marginalis

• Desmana moschata [Chordata, Mammalia, Eulipotyphla]
• Desmodus rotundus [Chordata, Mammalia, Chiroptera]
• Desmognathus:
• Desmognathus fuscus [Chordata, Amphibia, Urodela]
• Desmognathus ocoee [Chordata, Amphibia, Urodela]
• Desmognathus ochrophaeus [Chordata, Amphibia, Urodela]
• Desmognathus wrighti [Chordata, Amphibia, Urodela]
• Desmopterus papilio [Mollusca, Gastropoda, Thecosomata]
• Demovia semperi [Chordata, Actinopterygii, Perciformes]
• Dexiosoma caninum [Arthropoda, Insecta, Diptera]
• Diacria trispinosa [Mollusca, Gastropoda, Pteropoda]
• Diadema [Echinodermata, Echinoidea, Diadematoida
• Diaemus youngi [Chordata, Mammalia, Chiroptera]
• Dialeurodes citri [Arthropoda, Insecta, Hemiptera]
• Dialommus fuscus [Chordata, Actinopterygii, Blenniiformes]
• Diapheromera femorata [Arthropoda, Insecta, Phasmatodea]
• Diarsia dahlii [Arthropoda, Insecta, Lepidoptera]
• Diaspis visci [Arthropoda, Insecta, Hemiptera]
• Diatryma [Chordata, Aves, Gastornithiformes]
• Diazona violacea [Chordata, Ascidiacea, Aplousobranchia]
• Dibrachys boucheanus [Arthropoda, Insecta, Hymenoptera]
• Dicaeum:
• Dicaeum agile [Chordata, Aves, Passeriformes]
• Dicaeum erythrohynchos [Chordata, Aves, Passeriformes]
• Dicaeum hirundinaceum [Chordata, Aves, Passeriformes]
• Dicerorhinus sumatrensis [Chordata, Mammalia, Perissodactyla]
• Diceros bicornis [Chordata, Mammalia, Perissodactyla]
• Dicranomyia chorea [Arthropoda, Insecta, Diptera]
• Dicrocoelium dendriticum [Platyhelminthes, Trematoda, Plagiorchiida]
• Dicrostonyx hudsonius [Chordata, Mammalia, Rodentia]
• Dicrurus:
• Dicrurus adsimilis [Chordata, Aves, Passeriformes]
• Dicrurus hottentottus [Chordata, Aves, Passeriformes]
• Dicrurus macrocercus [Chordata, Aves, Passeriformes]
• Dicrurus modestus [Chordata, Aves, Passeriformes]
• Dicrurus paradiseus [Chordata, Aves, Passeriformes]
• Didelphis:
• Didelphis dorsigera [Chordata, Mammalia, Didelphimorphia]
• Didelphis marsupialis [Chordata, Mammalia, Didelphimorphia]
• Diemictylus viridescens [Chordata, Amphibia, Urodela]
• Difflugia [Amoebozoa, Tubulinea, Arcellinida]
• Dilta littoralis [Arthropoda, Insecta, Archaeognatha]
• Dimorpha:
• Dimorpha floridanis [Cryptista, Endohelea, Heliomonadida]
• Dimorpha mutans [Cryptista, Endohelea, Heliomonadida]
• Dineutes americanus [Arthropoda, Insecta, Coleoptera]
• Dinocras cephalotes [Arthropoda, Insecta, Plecoptera]
• Dinomys branicki [Chordata, Mammalia, Rodentia]
• Dinothrombium [Arthropoda, Arachnida, Trombidiformes]
• Dioctria:
• Dioctria oelandica [Arthropoda, Insecta, Diptera]
• Dioctria rufipes [Arthropoda, Insecta, Diptera]
• Diodon:
• Diodon holacanthus [Chordata, Actinopterygii, Tetraodontiformes]
• Diodon hystrix [Chordata, Actinopterygii, Tetraodontiformes]
• Diodora apertura [Mollusca, Gastropoda, Lepetellida]
• Diogenes pugilator [Arthropoda, Malacostraca, Decapoda]
• Diomedea:
• Diomedea chlororhynchos [Chordata, Aves, Procellariiformes]
• Diomedea chrysostoma [Chordata, Aves, Procellariiformes]
• Diomedea exulans [Chordata, Aves, Procellariiformes]
• Diomedea melanophrys [Chordata, Aves, Procellariiformes]
• Dione juno [Arthropoda, Insecta, Lepidoptera]
• Diopatra neapolitana [Annelida, Polychaeta, Eunicida]
• Dioxys [Arthropoda, Insecta, Hymenoptera]
• Diphylla ecaudata [Chordata, Mammalia, Chiroptera]
• Diphyllobothrium latum [Platyhelminthes, Cestoda, Diphyllobothridea]
• Diphyllodes magnificus [Chordata, Aves, Passeriformes]
• Diplootocus moussieri [Arthropoda, Insecta, Diptera]
• Dipodomys:
• Dipodomys ingens [Chordata, Mammalia, Rodentia]
• Dipodomys merriami [Chordata, Mammalia, Rodenti]
• Dipodomys ordii [Chordata, Mammalia, Rodentia]
• Dipsosaurus dorsalis [Chordata, Sauropsida, Squamata]
• Dipus sagitta [Chordata, Mammalia, Rodentia]
• Dipylidium caninum [Platyhelminthes, Cestoda, Cyclophyllidea]
• Discomedusa lobata [Cnidaria, Scyphozoa, Semaeostomeae]
• Discosoma [Cnidaria, Anthozoa, Corallimorpharia]
• Dispholidus typus [Chordata, Sauropsida, Squamata]
• Distafolia [Plantae, Magnoliopsida, Fabales]
• Distoechurus pennatus [Chordata, Mammalia, Diprotodontia]
• Distomus [Chordata, Ascidiacea, Stolidobranchia]
• Ditropichtys storeri [Chordata, Actinopterygii, Cetomimiformes]
• Ditylenchus dipsaci [Nematoda, Secernentea, Tylenchida]
• Dixa maculata [Arthropoda, Insecta, Diptera]
• Dociostaurus moroccanus [Arthropoda, Insecta, Orthoptera]
• Dolabrifera brazieri [Mollusca, Gastropoda, Anaspidea]
• Dolerus etruscus [Arthropoda, Insecta, Hymenoptera]
• Dolichotis patagora [Chordata, Mammalia, Rodentia]
• Dolichovespula [Arthropoda, Insecta, Hymenoptera]
• Dolioloides rarum [Chordata, Thaliacea, Doliolida]
• Doliolum:
• Doliolum mülleri [Chordata, Thaliacea, Doliolida]
• Doliolum nationalis [Chordata, Thaliacea, Doliolida]
• Dolomedes triton [Arthropoda, Arachnida, Araneae]
• Dolops doradis [Arthropoda, Branchiura, Arguloida]
• Domicella:
• Domicella domicella [Chordata, Aves, Psittaciformes]
• Domicella garrulla [Chordata, Aves, Passeriformes]
• Domicella flavopalliata [Chordata, Aves, Psittaciformes]
• Donax variabilis [Mollusca, Bivalvia, Cardiida]
• Dorcadion fuliginator [Arthropoda, Insecta, Coleoptera]
• Dorcatragus megalotis [Chordata, Mammalia, Artiodactyla]
• Dorcopsis veterum [Chordata, Mammalia, Diprotodontia]
• Dorcus parallelepipedus [Arthropoda, Insecta, Coleoptera]
• Dorocidaris papillata [Echinodermata, Echinoidea, Cidaroida]
• Dorosoma sp. [Chordata, Actinopterygii, Clupeiformes]
• Dorylaimus:
• Dorylaimus limnophilus [Nematoda, Adenophorea, Dorylaimida]
• Dorylaimus stagnalis [Nematoda, Adenophorea, Dorylaimida]
• Dorylus [Arthropoda, Insecta, Hymenoptera]
• Dracaena guianensis [Plantae, Liliopsida, Asparagales]
• Dracunculus medinensis [Nematoda, Secernentea, Spirurida]
• Drepanidotaenia lanceolata [Platyhelminthes, Cestoda, Cyclophyllidea]
• Dromaius movae [Chordata, Aves, Casuariiformes]
• Dromas ardeola [Chordata, Aves, Charadriiformes]
• Drosophila:
• Drosophila adusta [Arthropoda, Insecta, Diptera]
• Drosophila melanogaster [Arthropoda, Insecta, Diptera]
• Drosophila pseudobscura [Arthropoda, Insecta, Diptera]
• Drosophila sigmoides [Arthropoda, Insecta, Diptera]
• Drosophila simulans [Arthropoda, Insecta, Diptera]
• Drosophila transversa [Arthropoda, Insecta, Diptera]
• Drurya antimachus [Arthropoda, Insecta, Lepidoptera]
• Drusus trifidus [Arthropoda, Insecta, Trichoptera]
• Drycopus martinus [Chordata, Aves, Piciformes]
• Dryofilaria conjunctivae [Nematoda, Secernentea, Spirurida]
• Dryomys nitedula [Chordata, Mammalia, Rodentia]
• Dryophis nasuta [Chordata, Sauropsida, Squamata]
• Ducula [Chordata, Aves, Columbiformes]
• Dugestia trigina [Platyhelminthes, Turbellaria, Tricladida]
• Dugong dugon [Chordata, Mammalia, Sirenia]
• Dulus dominicus [Chordata, Aves, Passeriformes]
• Dumetella carolinensis [Chordata, Aves, Passeriformes]
• Dunckerocampus caulleryi [Chordata, Actinopterygii, Syngnathiformes]
• Dusicyon:
• Dusicyon azarae [Chordata, Mammalia, Carnivora]
• Dusmetia pulex [Arthropoda, Insecta, Hymenoptera]
• Dynamena:
• Dynamena pumila [Cnidaria, Hydrozoa, Leptothecata]
• Dysaphis mali [Arthropoda, Insecta, Hemiptera]
• Dytiscus:
• Dytiscus marginalis [Arthropoda, Insecta, Coleoptera]

• Nándido moteado: (Smith, 1836) [Chordata, Aves, Galliformes, Phasianidae]
• Narval: (Linnaeus, 1758) [Chordata, Mammalia, Cetacea, Monodontidae]
• Narvallón: (Forster, 1770) [Chordata, Mammalia, Cetacea, Ziphiidae]
• Násico: (Wurmb, 1787) [Chordata, Mammalia, Primates, Cercopithecidae]
• Naso: (Linnaeus, 1758) [Chordata, Actinopterygii, Acanthuriformes, Acanthuridae]
• Nautilo: (Linnaeus, 1758) [Mollusca, Cephalopoda, Nautilida, Nautilidae]
• Nautilo de papel: (Linnaeus, 1758) [Mollusca, Cephalopoda, Octopoda, Argonautidae]
• Navaja: (Linnaeus, 1758) [Mollusca, Bivalvia, Veneroida, Solenidae]
• Navaja europea: (Linnaeus, 1758) [Mollusca, Bivalvia, Veneroida, Pharidae]
• Navaja rugosa: (Pulteney, 1799) [Mollusca, Bivalvia, Solenidae]
• Navaja transparente: (Linnaeus, 1758) [Mollusca, Bivalvia, Solenidae]
• Neblí: (Molina, 1782) [Chordata, Mammalia, Carnivora, Mustelidae]
• Nécora: (Linnaeus, 1767) [Arthropoda, Malacostraca, Decapoda, Portunidae]
• Nectarina: (Linnaeus, 1758) [Chordata, Aves, Passeriformes, Nectariniidae]
• Nectarina arañera menor: (Shelley, 1900) [Chordata, Aves, Passeriformes, Nectariniidae]
• Nectarina de pecho rojo: (Linnaeus, 1766) [Chordata, Aves, Passeriformes, Nectariniidae]
• Nectarina malaquita: (Linnaeus, 1758) [Chordata, Aves, Passeriformes, Nectariniidae]
• Nectarina de cresta roja: (Boulton, 1931) [Chordata, Aves, Passeriformes, Nectariniidae]
• Nectarina pigmea de cola larga: (Jardine, 1845) [Chordata, Aves, Passeriformes, Nectariniidae]
• Nemertino: (Gunnerus, 1770) [Nemertea, Palaeonemertea, Lineidae]
• Nemertino de cordón de bota: (Gunnerus, 1770) [Nemertea, Palaeonemertea, Lineidae]
• Ne-Ne (barnacia hawaiana): (Restall, 1973) [Chordata, Aves, Anseriformes, Anatidae]
• Neopilina: Menzies & Layton, 1963 [Mollusca, Monoplacophora, Tryblidiida, Neopilinidae]
• Nereis: (O. F. Müller, 1776) [Annelida, Polychaeta, Nereididae]
• Nevatilla: (Molina, 1782) [Chordata, Mammalia, Carnivora, Mustelidae]
• Nevatilla amarilla: (Linnaeus, 1758) [Chordata, Aves, Passeriformes, Motacillidae]
• Nevatilla de cabeza azul: (Linnaeus, 1758) [Chordata, Aves, Passeriformes, Motacillidae]
• Niala: (Angas, 1849) [Chordata, Mammalia, Artiodactyla, Bovidae]
• Nictibio: (Gmelin, 1789) [Chordata, Aves, Caprimulgiformes, Nyctibiidae]
• Nictibio común: (Gmelin, 1789) [Chordata, Aves, Caprimulgiformes, Nyctibiidae]
• Nieba arborícola: (Forster, 1771) [Chordata, Aves, Caprimulgiformes, Caprimulgidae]
• Nigua: (Linnaeus, 1758) [Arthropoda, Insecta, Hemiptera, Cimicidae]
• Nilgó: (Pallas, 1766) [Chordata, Mammalia, Artiodactyla, Bovidae]
• Niotilta varia: (Mniotilta varia (Linnaeus, 1766)) [Chordata, Aves, Passeriformes, Parulidae]
• Nocticuluca: (Kofoid & Swezy, 1921) [Protista, Dinophyceae, Noctilucales, Noctilucaceae]
• Noctua: (Linnaeus, 1758) [Animalia, Insecta, Lepidoptera, Noctuidae]
• Nóctulo: (Schreber, 1774) [Chordata, Mammalia, Chiroptera, Vespertilionidae]
• Nóctulo mediano: (Kuhl, 1817) [Chordata, Mammalia, Chiroptera, Vespertilionidae]
• Nóctulo pequeño: (Schreber, 1774) [Chordata, Mammalia, Chiroptera, Vespertilionidae]
• Notarco:
• Notarco de cuello blanco
• Notarco de cuello negro
• Notonecta: Linnaeus, 1758 [Arthropoda, Insecta, Hemiptera, Notonectidae]
• Notóptero: (Pallas, 1769) [Chordata, Actinopterygii, Osteoglossiformes, Notopteridae]
• Notornis: (Owen, 1848 (extinto)) [Chordata, Aves, Gruiformes, Notornithidae]
• Núcula o nuececilla: (Linnaeus, 1758) [Mollusca, Bivalvia, Myoida, Nuculidae]
• Nuececilla estirada: (Linnaeus, 1758) [Mollusca, Bivalvia, Nuculida, Nuculidae]
• Nuececilla tenue: (Linnaeus, 1758) [Mollusca, Bivalvia, Myoida, Nuculidae]
• Nutria: (Linnaeus, 1758) [Chordata, Mammalia, Carnivora, Mustelidae]
• Nutria africana sin garras: (Schinz, 1821) [Chordata, Mammalia, Carnivora, Mustelidae]
• Nutria canadiense: (Schreber, 1777) [Chordata, Mammalia, Carnivora, Mustelidae]
• Nutria común o europea: (Linnaeus, 1758) [Chordata, Mammalia, Carnivora, Mustelidae]
• Nutria de garras pequeñas: (Illiger, 1815) [Chordata, Mammalia, Carnivora, Mustelidae]
• Nutra gigante brasileña: (Gmelin, 1788) [Chordata, Mammalia, Carnivora, Mustelidae]
• Nutria marina: (Linnaeus, 1758) [Chordata, Mammalia, Carnivora, Mustelidae]