ptychodontid
Any shark in the family Ptychodontidae.

ptychodontids
plural of ptychodontid

puffling
A young puffin.

pufflings
plural of puffling

pugnellid
Any gastropod in the family Pugnellidae, synonym of family Aporrhaidae.

pugnellids
plural of pugnellid

pulvinitid
Any bivalve in the family Pulvinitidae.

pulvinitids
plural of pulvinitid

punctid
Any snail in the family Punctidae.

punctids
plural of punctid

punese
A bedbug.

puneses
plural of punese

pupfish
Any of a group of small killifish belonging to ten genera of the family Cyprinodontidae.

pupinid
Any gastropod in the family Pupinidae.

pupinids
plural of pupinid

puplet
A little dog; a puppy.

puplets
plural of puplet

pupling
A young dog; a puppy.

puplings
plural of pupling

purgatoriid
Any extinct mammal in the family Purgatoriidae.

purgatoriids
plural of purgatoriid

purpurinid
Any gastropod in the family Purpurinidae.

purpurinids
plural of purpurinid

putoid
Any scale insect in the family Putoidae.

putoids
plural of putoid

puupehenone
Any of a family of marine sponge metabolites isolated mainly from the orders Verongida and Dictyoceratida.

puupehenones
plural of puupehenone

pycnodont
Any extinct bony fish of the order †Pycnodontiformes.

pycnodontid
Any extinct fish of the family †Pycnodontidae

pycnodontids
plural of pycnodontid

pycnodontiform
Any extinct bony fish of the order †Pycnodontiformes.

pycnodontiforms
plural of pycnodontiform

pycnodonts
plural of pycnodont

pycnogonid
Any sea spider of the class Pycnogonida.

pycnonotid
Any bird in the family Pycnonotidae, the bulbuls.

pycnonotids
plural of pycnonotid

pygocephalomorph
Any extinct crustacean of the order Pygocephalomorpha

pygocephalomorphs
plural of pygocephalomorph

pygopid
Any extinct brachiopod of the family Pygopidae

pygopids
plural of pygopid

pylochelid
Any of the crab-like crustaceans in the family Pylochelidae.

pylochelids
plural of pylochelid

pyramidellid
Any gastropod in the family Pyramidellidae.

pyramidellids
plural of pyramidellid

pyrgotid
Any fly of the family Pyrgotidae.

pyrgotids
plural of pyrgotid

pyrochroid
Any beetle in the family Pyrochroidae.

pyrochroids
plural of pyrochroid

pyropeltid
Any gastropod in the family Pyropeltidae.

pyropeltids
plural of pyropeltid

pyrothere
An extinct South American mammal, of the order †Pyrotheria, that resembled elephants.

pyrotheres
plural of pyrothere

pythid
Any beetle of the family Pythidae.

pythids
plural of pythid

pyurid
Any tunicate in the family Pyuridae.

pyurids
plural of pyurid

pyxicephalid
Any frog of the family Pyxicephalidae

pyxicephalids
plural of pyxicephalid

quercypsittid
Any extinct parrot in the family Quercypsittidae.

quercypsittids
plural of quercypsittid

questid
Any annelid in the family Questidae.

quey
A heifer.

queys
plural of quey

rabbitess
A female rabbit.

rabbitesses
plural of rabbitess

rabbitling
A small or young rabbit.

rabbitlings
plural of rabbitling

racemare
A female racehorse.

racemares
plural of racemare

rachicerid
Any fly in the family Rachiceridae, now considered to be the xylophagid subfamily Rachicerinae.

rachicerids
plural of rachicerid

rachiodont
Any snake belonging to the genus Rachiodon (now usually considered a synonym of Dasypeltis), characterized by tooth-like projections on the vertebrae.

rachycentrid
Any fish in the family Rachycentridae.

rachycentrids
plural of rachycentrid

radiocyath
Any of the class †Radiocyatha of extinct sponge-like animals that lived during the early to mid-Cambrian period.

radiocyaths
plural of radiocyath

rajid
Any fish in the family Rajidae; a skate.

rajids
plural of rajid

ramapithecine
Any extinct hominoid of a group of genera formerly sometimes classified as the subfamily Ramapithecinae, including i. a. the genus †Ramapithecus (now included in the genus †Sivapithecus).

ramapithecines
plural of ramapithecine

ranellid
Any gastropod in the family Ranellidae; a triton.

ranellids
plural of ranellid

ranicipitid
Any fish in the species Raniceps raninus, formerly classified as the separate family Ranicipitidae, but now considered to be part of the Gadidae.

ranicipitids
plural of ranicipitid

raninid
Any crab in the family Raninidae.

raninids
plural of raninid

ranixalid
Any frog of the family Ranixalidae

ranixalids
plural of ranixalid

raphidiopteran
Any insect of the order Raphidioptera.

raphidiopterans
plural of raphidiopteran

raphistomatid
Any extinct gastropod of the family Raphistomatidae.

raphistomatids
plural of raphistomatid

rapismatid
Any insect in the family Rapismatidaea, a synonym of the Ithonidae.

rapismatids
plural of rapismatid

rastodentid
Any sea snail in the family Rastodentidae.

rastodentids
plural of rastodentid

ratette
A female rat (any sense).

ratettes
plural of ratette

rauisuchian
An extinct reptile of the taxon Rauisuchia, which lived during the Triassic.

rauisuchians
plural of rauisuchian

razorback
A feral pig.
The rorqual or finback whale.

recumbirostran
Any extinct amphibian of the clade †Recumbirostra

recumbirostrans
plural of recumbirostran

recurvirostrid
Any bird in the family Recurvirostridae, the avocets and stilts.

recurvirostrids
plural of recurvirostrid

redhorse
Any of various ray-finned fish in the genus Moxostoma.

regalecid
Any fish in the family Regalecidae, the oarfishes.

regalecids
plural of regalecid

regulid
Any bird in the family Regulidae, the goldcrests and kinglets.

regulids
plural of regulid

reineckeiid
Any cephalopod of the family Reineckeiidae

reineckeiids
plural of reineckeiid

remipedian
Any crustacean of the class Remipedia

remipedians
plural of remipedian

reteporid
A bryozoan of the family Reteporidae.

reteporids
plural of reteporid

retroplumid
Any crab in the family Retroplumidae.

retroplumids
plural of retroplumid

rhabditophoran
Any flatworm of the class Rhabditophora

rhabditophorans
plural of rhabditophoran

rhabdocoel
Any flatworm of the infraclass or order Rhabdocoela.

rhabdocoele
Alternative form of rhabdocoel.

rhabdocoeles
plural of rhabdocoele

rhabdocoels
plural of rhabdocoel

rhabdosteid
Any extinct cetacean in the family Rhabdosteidae.

rhabdosteids
plural of rhabdosteid

rhachiberothid
Any neuropteran insect in the family Rhachiberothidae.

rhachiberothids
plural of rhachiberothid

rhacophorid
Any frog in the family Rhacophoridae.

rhacophorids
plural of rhacophorid

rhacophorine
Any frog of the subfamily Rhacophorinae

rhacophorines
plural of rhacophorine

rhadiditid
Any nematode of the order Rhabditida.

rhadiditids
plural of rhadiditid

rhadinorhynchid
Any acanthocephalan worm in the family Rhadinorhynchidae.

rhadinorhynchids
plural of rhadinorhynchid

rhagionid
Any fly of the family Rhagionidae.

rhagionids
plural of rhagionid

rhamphichthyid
Any fish in the family Rhamphichthyidae.

rhamphichthyids
plural of rhamphichthyid

rhaptochelydian
Any species of reptile in the taxon Rhaptochelydia.

rhaptochelydians
plural of rhaptochelydian

rhincodontid
Any whale shark in the family Rhincodontidae.

rhincodontids
plural of rhincodontid

rhinid
Any fish in the family Rhinidae.

rhinids
plural of rhinid

rhinobatid
Any fish in the family Rhinobatidae.

rhinobatids
plural of rhinobatid

rhinocerontid
Any rhinoceros (or related animal) of the family Rhinocerotidae

rhinocerontids
plural of rhinocerontid

rhinochimaerid
Any fish in the family Rhinochimaeridae.

rhinochimaerids
plural of rhinochimaerid

rhinocryptid
Any bird in the family Rhinocryptidae; a tapaculo.

rhinocryptids
plural of rhinocryptid

rhinodermatid
Any frog in the family Rhinodermatidae.

rhinodermatids
plural of rhinodermatid

rhinogobies
plural of rhinogoby

rhinogoby
Any goby (fish) of the genus Rhinogobius

rhinonyssid
Any mite in the family Rhinonyssidae.

rhinonyssids
plural of rhinonyssid

rhinophid
Any snake in the family Rhinophidae, a synonym of the Uropeltidae.

rhinophids
plural of rhinophid

rhinophorid
Any fly in the family Rhinophoridae.

rhinophorids
plural of rhinophorid