P
- Paa boulengeri
- Paa maculosa
- Paa robertingeri
- Paa yunnanensis
- Pachypanchax sakaramyi
- Pachypanchax sp. nov. 'Anjingo'
- Pachypanchax sp. nov. 'Varatraza'
- Pachyramphus spodiurus — Slaty Becard
- Pachysaga strobila
- Pacifastacus fortis — Shasta Crayfish
- Pacifastacus nigrescens
- Pagrus pagrus — Red porgy
- Palaemnema baltodanoi — Cacao Shadowdamsel
- Palaemnema chiriquita — Chiriquita Shadowdamsel
- Palaemnema gigantula — Elongate Shadowdamsel
- Palaemnema melanota — Black-backed Shadowdamsel
- Palaemnema reventazoni — Reventazón Shadowdamsel
- Palaemonetes antrorum — Balcones cave shrimp, Texas cave shrimp
- Palaemonias alabamae — Alabama Cave Shrimp
- Palaemonias ganteri — Kentucky Cave Shrimp
- Palawanomys furvus — Palawan Soft-furred Mountain Rat
- Palea steindachneri — Wattle-necked Soft-shelled Turtle
- Palmeria dolei — 'Akohekohe
- Paludomus ajanensis
- Pan paniscus — Bonobo, Dwarf Chimpanzee, Gracile Chimpanzee, Pygmy Chimpanzee
- Pan troglodytes — Chimpanzee, Common Chimpanzee, Robust Chimpanzee
- Pandaka pygmaea — Dwarf pygmy goby
- Pangasianodon gigas — Giant catfish, Mekong giant catfish
- Pantanodon sp. nov. 'Manombo'
- Panthera tigris — Tiger
- Panthera tigris, chinchilla albinistic — White Tiger
- Panthera onca — Jaguar
- Pantholops hodgsonii — Chiru, Tibetan Antelope
- Papasula abbotti — Abbott's Booby
- Papilio aristophontes
- Papilio chikae — Luzon Peacock Swallowtail
- Papilio homerus — Homerus Swallowtail
- Papilio hospiton — Corsican Swallowtail
- Papilio moerneri
- Pappogeomys neglectus — Querétaro Pocket Gopher
- Paracoelops megalotis — Vietnam Leaf-nosed Bat
- Paracyclopia naessi
- Paralabidochromis beadlei
- Paralabidochromis victoriae
- Paralucia spinifera — Bathurst Copper
- Paramelita barnardi
- Paramesotriton guanxiensis — Guangxi Warty Newt
- Parantechinus apicalis — Dibbler
- Parantica davidi — David's Tiger
- Parantica kuekenthali — Kuekenthal's Yellow Tiger
- Parantica marcia — Biak Tiger
- Parantica milagros — Milagros' Tiger
- Parantica schoenigi — Father Schoenig's Chocolate
- Parantica sulewattan — Bonthain Tiger
- Parantica timorica — Timor Yellow Tiger
- Parapinnixa affinis — California Bay pea crab, Californian bay pea crab
- Paratilapia sp. nov. 'Vevembe'
- Paraxerus vincenti — Vincent's Bush Squirrel
- Pardalotus quadragintus — Forty-spotted Pardalote
- Paretroplus dambabe
- Paretroplus maculatus — Damba mipentina
- Paretroplus maromandia
- Paretroplus sp. nov. 'Sofia'
- Parhoplophryne usambarica
- Parmacella tenerifensis
- Paroreomyza maculata — O'ahu 'Alauahio
- Paroreomyza montana — Maui 'Alauahio
- Parosphromenus harveyi
- Partula calypso
- Partula clara
- Partula emersoni
- Partula filosa
- Partula gibba — Fat guam partula, Tree snail
- Partula guamensis
- Partula hyalina
- Partula langfordi
- Partula leucothoe
- Partula martensiana
- Partula otaheitana
- Partula radiolata — Radiolate Partula, Tree snail
- Partula rosea
- Partula thetis
- Partula varia
- Partulina confusa
- Partulina dubia
- Partulina mighelsiana
- Partulina perdix
- Partulina physa
- Partulina proxima
- Partulina redfieldi
- Partulina semicarinata
- Partulina splendida — Splendid partulina
- Partulina tappaniana
- Partulina tessellata
- Partulina variabilis
- Paruromys ursinus — Sulawesi Bear Rat
- Parvimolge townsendi
- Pastilla ruhuna
- Pauxi unicornis — Southern Helmeted Curassow
- Pedionomus torquatus — Plains-wanderer
- Pedostibes tuberculosus — Malabar Tree Toad
- Pegias fabula — Little winged pearly mussel, Littlewing pearlymussel
- Pelecanoides garnotii — Peruvian Diving-petrel
- Pelobates varaldii — Varaldi's Spadefoot Toad
- Pelochelys cantorii — Cantor's Giant Softshell Turtle
- Pelomys isseli — Issel's Groove-toothed Swamp Rat
- Pelophryne albotaeniata — Palawan Toadlet
- Pelophryne api
- Pelophryne scalptus
- Pene galilaea
- Penelope albipennis — White-winged Guan
- Penelope ortoni — Baudo Guan
- Penelope perspicax — Cauca Guan
- Penelopides mindorensis — Mindoro Tarictic
- Penelopides panini — Visayan Tarictic, Calao Tarictic
- Pentalagus furnessi — Amami Rabbit, Ryūkyū Rabbit
- Perameles bougainville — Barred Bandicoot, Long-nosed Bandicoot, Marl, [
- Perbrinckia enodis
- Pit bull
- Perbrinckia morayensis
- Perbrinckia punctata
- Perbrinckia quadratus
- Perbrinckia rosae
- Percina cymatotaenia — Bluestripe Darter
- Perdicella helena
- Peripatopsis leonina — Lion's Hill velvet worm
- Peromyscus bullatus — Perote Mouse
- Peromyscus dickeyi — Dickey's Deer Mouse
- Peromyscus interparietalis — San Lorenzo Mouse
- Peromyscus mayensis — Maya Mouse
- Peromyscus polionotus phasma - Anastasia Island Beach Mouse
- Peromyscus pseudocrinitus — False Canyon Mouse
- Peromyscus slevini — Slevins's Mouse
- Peromyscus stephani — San Esteban Island Mouse
- Petalura pulcherrima — Beautiful Petaltail
- Petaurus gracilis — Mahogany Glider
- Petrogale persephone — Proserpine Rock-wallaby
- Petroica traversi — Black Robin
- Petropedetes palmipes
- Petropedetes perreti
- Pezoporus occidentalis — Night Parrot
- Phaenomys ferrugineus — Rio de Janeiro Arboreal Rat
- Phaeognathus hubrichti — Red Hills salamander
- Phalacrocorax featherstoni — Pitt Island Shag
- Phalacrocorax harrisi — Galápagos Cormorant
- Phalacrocorax neglectus — Bank Cormorant
- Phalacrocorax onslowi — Chatham Island Shag
- Phalanger matanim — Telefomin Cuscus
- Phallodrilus macmasterae
- Phapitreron cinereiceps — Tawitawi Brown-dove
- Pharotis imogene — New Guinea Big-eared Bat
- Phascogale calura — Red-tailed Phascogale, Red-tailed Wambenger
- Phelsuma guentheri — Round Island Day Gecko
- Philautus alto
- Philautus asankai
- Philautus aurantium
- Philautus auratus
- Philautus caeruleus
- Philautus cavirostris
- Philautus chalazodes
- Philautus charius
- Philautus cuspis
- Philautus decoris
- Philautus disgregus
- Philautus femoralis
- Philautus folicola
- Philautus frankenbergi
- Philautus fulvus
- Philautus griet
- Philautus hoffmanni
- Philautus jacobsoni
- Philautus kerangae
- Philautus limbus
- Philautus lunatus
- Philautus macropus
- Philautus microtympanum
- Philautus mittermeieri
- Philautus mooreorum
- Philautus nemus
- Philautus nerostagona
- Philautus ocellatus
- Philautus ocularis
- Philautus papillosus
- Philautus pleurotaenia
- Philautus ponmudi
- Philautus poppiae
- Philautus procax
- Philautus reticulatus
- Philautus sanctisilvaticus
- Philautus sarasinorum
- Philautus schmackeri — Mindoro Tree Frog
- Philautus schmarda
- Philautus shillongensis
- Philautus signatus
- Philautus silus
- Philautus silvaticus
- Philautus simba
- Philautus similis
- Philautus sp. nov. 'Amboli Forest'
- Philautus sp. nov. 'Athirimala'
- Philautus sp. nov. 'Munnar 2'
- Philautus sp. nov. 'Munnar'
- Philautus steineri
- Philautus stuarti
- Philautus surrufus
- Philautus tinniens
- Philautus viridis
- Philautus wynaadensis
- Philautus zorro
- Philochortus zolii
- Philoria frosti — Baw Baw Frog, Baw-baw Frog
- Philoria kundagungan — Mountain Frog, Red And Yellow Mountain Frog
- Philoria loveridgei — Loveridge's Frog
- Philoria pughi
- Philoria richmondensis — Loveridge's Frog, Mountain Frog
- Philoria sphagnicolus — Sphagnum Frog
- Philydor novaesi — Alagoas Foliage-gleaner
- Phocoena sinus — Vaquita, Cochito, Gulf of California Harbor Porpoise, Gulf Of California Porpoise, Gulf Porpoise
- Phodilus prigoginei — Congo Bay-owl
- Phoebastria nigripes — Black-footed Albatross
- Phoebetria fusca — Sooty Albatross
- Phoxinellus alepidotus
- Phoxinellus anatolicus — Yag Baligi
- Phoxinellus croaticus
- Phoxinellus dalmaticus
- Phoxinellus fontinalis
- Phoxinellus jadovensis
- Phoxinellus krbavensis
- Phrynobatrachus annulatus
- Phrynobatrachus ghanensis
- Phrynobatrachus irangi
- Phrynobatrachus krefftii
- Phrynobatrachus pakenhami
- Phrynops dahli — Dahl's Toad-headed Turtle
- Phrynops hogei — Hoge's Sideneck Turtle
- Phrynopus adenobrachius
- Phrynopus bracki
- Phrynopus brunneus
- Phrynopus carpish
- Phrynopus cophites
- Phrynopus dagmarae
- Phrynopus flavomaculatus
- Phrynopus heimorum
- Phrynopus horstpauli
- Phrynopus juninensis
- Phrynopus kauneorum
- Phrynopus kempffi
- Phrynopus lucida
- Phrynopus montium
- Phrynopus parkeri
- Phrynopus pereger
- Phrynopus peruvianus
- Phrynopus simonsii
- Phrynopus spectabilis
- Phyllastrephus leucolepis — Liberian Greenbul
- Phyllobates terribilis — Golden Poison Frog
- Phyllobates vittatus — Golfodulcean Poison Frog
- Phyllodytes auratus
- Phyllomedusa ayeaye
- Phyllomedusa baltea
- Phyllomedusa ecuatoriana
- Phyllomyias urichi — Urich's Tyrannulet
- Phyllonycteris aphylla — Jamaican Flower Bat
- Phyllopetalia altarensis — Metropolitan Redspot
- Phylloscartes beckeri — Bahia Tyrannulet
- Phylloscartes ceciliae — Alagoas Tyrannulet
- Phylloscartes lanyoni — Antioquia Bristle-tyrant
- Phylloscartes roquettei — Minas Gerais Tyrannulet
- Phylolestes ethelae — Hispaniolan Malachite
- Physalaemus soaresi
- Physiculus helenaensis — Skulpin
- Phytotoma raimondii — Peruvian Plantcutter
- Pieris wollastoni
- Pipa myersi — Myers' Surinam Toad
- Pipile jacutinga — Black-fronted Piping-guan
- Pipile pipile — Trinidad Piping-guan
- Pipistrellus endoi — Endo's Pipistrelle
- Pithecophaga jefferyi — Philippine Eagle
- Pitta gurneyi — Gurney's Pitta
- Placostylus bivaricosus
- Platalea minor — Black-faced Spoonbill
- Platanista gangetica — Blind River Dolphin, South Asian River Dolphin
- Platycypha amboniensis — Montane Dancing-jewel
- Platycypha pinheyi
- Platymantis cagayanensis
- Platymantis hazelae — Hazel's Forest Frog
- Platymantis insulata — Island Forest Frog
- Platymantis lawtoni
- Platymantis levigata — Smooth-skinned Forest Frog
- Platymantis negrosensis — Negros Forest Frog
- Platymantis panayensis — Panay Forest Frog
- Platymantis polillensis — Polillo Forest Frog
- Platymantis spelaea — Negros Cave Frog
- Platymantis subterrestris — Mt. Data Forest Frog
- Platymantis taylori
- Platymantis vitiana — Fiji Ground Frog, Fijian Ground Frog
- Platyops sterreri
- Platypelis alticola
- Platypelis mavomavo
- Platypelis milloti
- Platypelis tetra
- Platysteira laticincta — Banded Wattle-eye
- Platysternon megacephalum — Big-headed Turtle
- Plectrohyla acanthodes
- Plectrohyla arborescandens
- Plectrohyla avia
- Plectrohyla calthula
- Plectrohyla calvicollina
- Plectrohyla celata
- Plectrohyla cembra
- Plectrohyla charadricola
- Plectrohyla chryses
- Plectrohyla chrysopleura
- Plectrohyla crassa
- Plectrohyla cyanomma
- Plectrohyla cyclada
- Plectrohyla dasypus
- Plectrohyla ephemera
- Plectrohyla exquisita
- Plectrohyla glandulosa
- Plectrohyla guatemalensis
- Plectrohyla hartwegi
- Plectrohyla hazelae
- Plectrohyla ixil
- Plectrohyla lacertosa
- Plectrohyla mykter
- Plectrohyla pachyderma
- Plectrohyla pentheter
- Plectrohyla pokomchi
- Plectrohyla psarosema
- Plectrohyla psiloderma
- Plectrohyla pycnochila
- Plectrohyla quecchi
- Plectrohyla robertsorum
- Plectrohyla sabrina
- Plectrohyla sagorum
- Plectrohyla siopela
- Plectrohyla tecunumani
- Plectrohyla teuchestes
- Plectrohyla thorectes
- Plethobasus cicatricosus — White warty-back pearly mussel, White wartyback
- Plethobasus cooperianus — Orange-footed pimpleback mussel, Orangefoot pimpleback
- Plethodon stormi — Siskiyou Mountains salamander
- Plethodon welleri — Weller's Salamander
- Plethodontohyla brevipes
- Plethodontohyla guentherpetersi
- Pleurobema chattanoogaense — Painted clubshell
- Pleurobema clava — Club naiad, Clubshell pearly mussel, Clubshell
- Pleurobema collina — James River spinymussel
- Pleurobema curtum — Black clubshell, Curtus's mussel
- Pleurobema decisum — Southern clubshell
- Pleurobema furvum — Dark pigtoe
- Pleurobema georgianum — Southern pigtoe
- Pleurobema gibberum — Cumberland pigtoe
- Pleurobema marshalli — Flat pigtoe, Marshall's mussel
- Pleurobema perovatum — Ovate clubshell
- Pleurobema plenum — Rough pigtoe pearly mussel, Rough pigtoe
- Pleurobema pyriforme — Oval pigtoe
- Pleurodeles poireti — Algerian Ribbed Newt, Edough Ribbed Newt, Poiret's Newt
- Ploceus aureonucha — Golden-naped Weaver
- Ploceus batesi — Bates's Weaver
- Ploceus golandi — Clarke's Weaver
- Ploceus nicolli — Usambara Weaver
- Poblana alchichica
- Poblana letholepis
- Poblana squamata
- Podarcis carbonelli
- Podarcis lilfordi — Lilford's Wall Lizard
- Podarcis raffonei — Aeolian Wall Lizard
- Podiceps taczanowskii — Junín Grebe
- Podocnemis lewyana — Magdalena River Turtle, Rio Magdalena River Turtle
- Podogymnura aureospinula — Dinagat Moonrat
- Podogymnura truei — Mindanao Gymnure, Mindanao Moonrat
- Poecilia latipunctata
- Poecilia sulphuraria
- Poecilmitis rileyi
- Poecilmitis swanepoeli
- Pogonichthys macrolepidotus — Sacramento Splittail
- Pogonomelomys bruijni — Lowland Brush Mouse
- Polposipus herculeanus — Frigate island giant tenebrionid beetle
- Polyommatus dama
- Polyommatus galloi — Higgin's Anomalous Blue
- Polyommatus golgus — Sierra Nevada Blue
- Polyommatus humedasae — Piedmont Anomalous Blue
- Polypedates eques
- Polypedates fastigo
- Polypedates insularis
- Polypedates longinasus
- Polypedates yaoshanensis
- Polyplectron schleiermacheri — Bornean Peacock-pheasant
- Pomarea dimidiata — Rarotonga Monarch
- Pomarea mendozae — Marquesan Monarch
- Pomarea nigra — Tahiti Monarch
- Pomarea whitneyi — Fatuhiva Monarch
- Pongo abelii — Sumatran Orangutan
- Pongo pygmaeus — Bornean Orangutan, Orangutan
- Poospiza alticola — Plain-tailed Warbling-finch
- Poospiza garleppi — Cochabaooth sawfish
- Pristis pristis — Common sawfish
- Pristis zijsron — Longcomb sawfish
- Probarbus jullieni — Jullien's Golden Carp, Seven-striped Barb
- Probreviceps rhodesianus
- Procambarus acherontis — Orlando cave crayfish
- Procambarus angustatus
- Procambarus attiguus — Silver Glen Springs crayfish
- Procambarus delicatus — Bigcheek cave crayfish
- Procambarus econfinautes platycentron
- Potamonautes rukwanzi
- Potamonautes unisulcatus
- Potorous gilbertii — Gilbert's Potoroo
- Potorous longipes — Long-footed Potoroo
- Praomys hartwigi — Hartwig's Praomys, Hartwig's Soft-furred Mouse
- Praomys obscurus
- Presbytis comata — Grizzled Leaf Monkey, Javan leaf monkey, Javan grizzled langur
- Prietella phreatophila
- Primolius couloni — Blue-headed Macaw
- Prionailurus iriomotensis — Iriomote Cat
- Prioniturus verticalis — Blue-winged Racquet-tail
- Prionops gabela — Gabela Helmet-shrike
- Pristis clavata — Dwarf sawfish, Queensland sawfish
- Pristis microdon — Freshwater sawfish, Largetooth sawfish, Leichhardt's sawfish
- Pristis pectinata — Smalltooth sawfish, Wide sawfish
- Pristis perotteti — Large-tooth sawfish
- Pristis pristis — Common sawfish
- Pristis zijsron — Longcomb sawfish
- Probarbus jullieni — Jullien's Golden Carp, Seven-striped Barb
- Probreviceps rhodesianus
- Procambarus acherontis — Orlando cave crayfish
- Procambarus angustatus
- Procambarus attiguus — Silver Glen Springs crayfish
- Procambarus delicatus — Bigcheek cave crayfish
- Procambarus econfinae — Panama City crayfish
- Procambarus erythrops — Santa Fe cave crayfish
- Procambarus ferrugineus
- Procambarus franzi — Orange Lake cave crayfish
- Procambarus horsti — Big Blue Springs crayfish
- Procambarus milleri — Miami cave crayfish
- Procambarus morrisi — Putnam County cave crayfish
- Procambarus nueces
- Procambarus steigmani
- Procambarus texanus
- Procapra przewalskii
- Procaris chacei
- Procellaria conspicillata — Spectacled Petrel
- Procolobus badius — Red Colobus, Western Red Colobus
- Procolobus kirkii — Kirk's Red Colobus, Zanzibar Red Colobus
- Procolobus pennantii — Pennant's Red Colobus
- Procolobus rufomitratus — Eastern Red Colobus, Tana River Red Colobus
- Procyon insularis — Tres Marias Raccoon
- Procyon maynardi — Bahaman Raccoon
- Procyon minor — Guadeloupe Raccoon
- Procyon pygmaeus — Cozumel Raccoon
- Prodontria lewisi — Cromwell Chafer Beetle
- Prognathochromis sp. nov. 'long snout'
- Prognathochromis worthingtoni
- Progomphus risi — Ris's Sanddragon
- Progomphus tennesseni — Bristle-tipped Sanddragon
- Progomphus zephyrus — Elusive Sanddragon
- Proischnura polychromaticum — Cape Bluet
- Propithecus diadema — Diademed Sifaka
- Propithecus tattersalli — Golden-crowned Sifaka, Tattersall's Sifaka
- Prosobonia cancellata — Tuamotu Sandpiper
- Protoneura dunklei — Purple Threadtail
- Protoneura sanguinipes — Red-legged Threadtail
- Psacadonotus insulanus
- Psammobates geometricus — Geometric Tortoise, Sakafi
- Psammodromus microdactylus — Green Psammodromus, Small-fingered Psammodromus
- Psarocolius cassini — Baudó Oropendola
- Psephotus chrysopterygius — Golden-shouldered Parrot
- Psephurus gladius — Chinese paddlefish
- Pseudagrion vumbaense
- Pseudalopex fulvipes — Darwin's Fox
- Pseudemydura umbrina — Western Short-necked Turtle, Western Swamp Turtle
- Pseudemys alabamensis — Alabama Red-bellied Turtle
- Pseudibis davisoni — White-shouldered Ibis
- Pseudoamolops sauteri
- Pseudobagrus medianalis
- Pseudobarbus burchelli — Burchell's Redfin
- Pseudobarbus burgi — Berg River Redfin
- Pseudobarbus phlegethon — Fiery Redfin
- Pseudobarbus quathlambae — Maluti Minnow
- Pseudobarbus tenuis — Slender Redfin
- Pseudobulweria aterrima — Mascarene Black Petrel
- Pseudobulweria becki — Beck's Petrel
- Pseudobulweria macgillivrayi — Fiji Petrel
- Pseudoeurycea altamontana
- Pseudoeurycea aquatica
- Pseudoeurycea brunnata
- Pseudoeurycea cochranae
- Pseudoeurycea exspectata
- Pseudoeurycea firscheini
- Pseudoeurycea gadovii
- Pseudoeurycea gigantea
- Pseudoeurycea goebeli
- Pseudoeurycea juarezi
- Pseudoeurycea longicauda
- Pseudoeurycea lynchi
- Pseudoeurycea melanomolga
- Pseudoeurycea mystax
- Pseudoeurycea naucampatepetl
- Pseudoeurycea nigromaculata
- Pseudoeurycea praecellens
- Pseudoeurycea saltator
- Pseudoeurycea smithi
- Pseudoeurycea unguidentis
- Pseudoeurycea werleri
- Pseudohydromys murinus — Eastern Shrew Mouse
- Pseudois schaeferi — Dwarf Bharal, Dwarf Blue Sheep
- Pseudomugil mellis — Honey blue-eye
- Pseudomulleria dalyi
- Pseudomys fieldi — Alice Springs Mouse
- Pseudomys glaucus — Blue-gray Mouse, Blue-grey Mouse
- Pseudomys occidentalis — Western Mouse
- Pseudomys oralis — Hastings River Mouse
- Pseudonestor xanthophrys — Maui Parrotbill
- Pseudoniphargus grandimanus
- Pseudonovibos spiralis — Kting Voar, Linh Duong
- Pseudophoxinus anatolicus
- Pseudophoxinus battalgili
- Pseudophoxinus crassus
- Pseudophoxinus drusensis
- Pseudophoxinus egridiri — Yag Baligi
- Pseudophoxinus epiroticus
- Pseudophoxinus fahirae
- Pseudophoxinus handlirschi — Ciçek
- Pseudophoxinus kervillei
- Pseudophoxinus laconicus
- Pseudophoxinus prespensis
- Pseudophoxinus syriacus
- Pseudophoxinus zeregi
- Pseudophryne corroboree — Corroboree Frog
- Pseudophryne covacevichae — Magnificent Broodfrog
- Pseudophryne pengilleyi — Northern Corroboree Frog
- Pseudoryx nghetinhensis — Saola
- Pseudoscaphirhynchus fedtschenkoi — Syr-darya shovelnose sturgeon
- Pseudoscaphirhynchus hermanni — Small amu-dar shovelnose sturgeon
- Pseudoscaphirhynchus kaufmanni — False shovelnose sturgeon, Large amu-dar shovelnose sturgeon
- Psittacula eques — Mauritius Parakeet
- Psittirostra psittacea — 'O'u
- Pteralopex acrodonta — Fijian Monkey-faced Bat
- Pteralopex anceps — Bougainville Monkey-faced Bat
- Pteralopex atrata — Cusp-toothed Flying Fox, Cusp-toothed Fruit Bat, Guadalcanal Monkey-faced Bat
- Pteralopex pulchra — Montane Monkey-faced Bat
- Pterodroma alba — Phoenix Petrel
- Pterodroma atrata — Henderson Petrel
- Pterodroma axillaris — Chatham Petrel
- Pterodroma baraui — Barau's Petrel
- Pterodroma cahow — Bermuda Petrel
- Pterodroma caribbaea — Jamaica Petrel
- Pterodroma cookii — Cook's Petrel
- Pterodroma hasitata — Black-capped Petrel
- Pterodroma madeira — Zino's Petrel
- Pterodroma magentae — Chatham Island Taiko
- Pterodroma phaeopygia — Galápagos Petrel
- Pteronura brasiliensis — Giant Brazilian Otter, Giant Otter
- Pteropus aldabrensis — Aldabra Flying Fox, Aldabra Flying-fox
- Pteropus dasymallus — Ryukyu Flying-fox
- Pteropus faunulus — Nicobar Flying Fox
- Pteropus insularis — Chuuk Flying-fox, Ruck Flying-fox
- Pteropus leucopterus — White-winged Flying Fox
- Pteropus livingstonii — Comoro Black Flying Fox, Livingstone's Fruit Bat
- Pteropus mariannus — Marianas flying fox, Marianna Flying Fox, Micronesian Flying-fox
- Pteropus molossinus — Caroline Flying Fox, Pohnpei Flying-fox
- Pteropus phaeocephalus — Mortlock Flying Fox, Mortlock Islands Flying-fox
- Pteropus pselaphon — Bonin Flying Fox, Bonin Fruit Bat
- Pteropus rodricensis — Rodrigues Flying Fox
- Ptilinopus arcanus — Negros Fruit-dove
- Ptilinopus roseicapilla — Mariana Fruit-dove
- Ptychadena broadleyi — Broadley's Ridged Frog
- Ptychadena newtoni
- Ptychobranchus greenii — Triangular kidneyshell
- Ptychobranchus jonesi — Southern kidneyshell
- Ptychochromis inornatus
- Ptychochromis sp. nov. 'Green Garaka'
- Ptychochromis sp. nov. 'Joba mena'
- Ptychochromoides betsileanus — Trondo mainty
- Ptychochromoides vondrozo
- Ptychodon schuppi
- Ptychohyla dendrophasma
- Ptychohyla erythromma
- Ptychohyla hypomykter
- Ptychohyla legleri
- Ptychohyla leonhardschultzei
- Ptychohyla macrotympanum
- Ptychohyla panchoi
- Ptychohyla salvadorensis
- Ptychohyla sanctaecrucis
- Ptychohyla spinipollex
- Ptyochromis annectens
- Ptyochromis granti
- Ptyochromis sp. nov. 'Rusinga oral sheller'
- Ptyochromis sp. nov. 'rainbow sheller'
- Puffinus auricularis — Townsend's Shearwater
- Puffinus huttoni — Hutton's Shearwater
- Puffinus mauretanicus — Balearic Shearwater
- Puffinus newelli — Newell's Shearwater
- Pundamilia igneopinis
- Pundamilia macrocephala
- Pungitius hellenicus — Ellinopygósteos
- Pungu maclareni — Pungu
- Puntius amarus — Pait
- Puntius asoka — Asoka Barb
- Puntius bandula
- Puntius baoulan — Baolan
- Puntius clemensi — Bagangan
- Puntius disa — Disa
- Puntius flavifuscus — Katapa-tapa
- Puntius herrei
- Puntius katalo — Katolo
- Puntius lanaoensis — Kandar (fish)
- Puntius manalak — Manalak
- Puntius martenstyni
- Puntius tras — Tras
- Pygathrix nemaeus — Douc Langur, Douc Monkey, Douc, Red-shanked Douc langur
- Pygathrix nigripes — Black-shanked Douc Monkey, Black-shanked Douc
- Pyrgulopsis agarhecta — Ocmulgee marstonia
- Pyrgulopsis aloba — Duckwater pyrg
- Pyrgulopsis avernalis — Moapa pebblesnail
- Pyrgulopsis bruneauensis — Bruneau hot springsnail
- Pyrgulopsis cruciglans — Transverse grand pyrg
- Pyriglena atra — Fringe-backed Fire-eye
- Pyrrhula murina — Azores Bullfinch
- Pyrrhura orcesi — El Oro Parakeet
- Pyrrhura viridicata — Santa Marta Parakeet
- Pyxidea mouhotii — Jagged-shelled Turtle, Keel-backed Terrapin, Keeled Box Turtle
- Pyxis planicauda — Flat-backed Spider Tortoise, Flat-shelled Spider Tortoise, Madagascar Flat-shelled Tortoise
Read more about this topic: IUCN Red List Endangered Animal Species