peacock mantis shrimp
A mantis shrimp of species Odontodactylus scyllarus, with keen eyesight, that smashes shells and exoskeletons of its prey and is capable of breaking through glass aquarium tanks.

peltogaster
Any member of the genus Peltogaster.

peltogasters
plural of peltogaster

peludo
A big hairy armadillo, Chaetophractus villosus

peludoes
plural of peludo

peludos
plural of peludo

pentasome
Misspelling of pentastome.

pentastome
Any tongue worm of the subclass Pentastomida

pentastomes
plural of pentastome

perforati
plural of perforatus

perforatus
The short flexor of the toes, or the superficial flexor of the fingers.

pericytheria
plural of pericytherion

perinaea
plural of perinaeum

perinea
plural of perineum

phyllopods
plural of phyllopod

phyllosoma
The thin, flat, transparent larval stage of certain lobsters.

phyllosomas
plural of phyllosoma

phyllosomata
plural of phyllosoma

pill bug
Any of very many terrestrial crustaceans, of the family Armadillidiidae, a subgroup of the woodlice, that can roll themselves up into a protective ball.

pill bugs
plural of pill bug

pillbug
Alternative spelling of pill bug.

pillbugs
plural of pillbug

pink shrimp
Shrimp of species Pandalus borealis, found in cold parts of the Atlantic and Pacific Oceans.
peregrine shrimp (Metapenaeus stebbingi).

pinnotheres
plural of pinnothere

pistol shrimp
A shrimp (Alpheidae) which has asymmetrical claws, the larger of which can be used to produce a loud snapping sound and shockwave that can stun or kill its prey.

polymenorrhoea
Alternative form of polymenorrhea.

polyphemus
Synonym of polyphemus moth.

polyphemuses
plural of polyphemus

porcelain crab
Any member of the family Porcellanidae of decapod crustaceans, superficially resembling true crabs.

porcelain crabs
plural of porcelain crab

posteroflexus
A flexus between the posteroloph and the metacone.

praniza
The manca stage of gnathiid isopods, which are temporary parasites of marine fish.

pranizae
plural of praniza

prawns
plural of prawn

primitia
The first fruits.
The first year's whole profit of an ecclesiastical preferment.

primitiae
plural of primitia

primitias
plural of primitia

prognathia
Prognathism.

prosopa
plural of prosopon

prosopon
A mask worn by an actor to indicate the character being played.
The self-manifestation of an individual.
A variety of small-scale structures in trilobites, such as ribbing, domes, and perforations.

prosopons
plural of prosopon

proto
Prototypical; preceding the proper beginning of something.

protoflexus
A flexus between the protocone and the anterolingual conule.

protos
plural of proto

pseud
An intellectually pretentious person; a poseur.

pseudo
An intellectually pretentious person; a pseudointellectual.
A poseur; one who is fake.
pseudo-city code
A pseudonym; a false name used for online anonymity.
Short for pseudoelement.
Clipping of pseudoephedrine.

pseudoforce
Alternative form of pseudo force.

pseudoforces
plural of pseudoforce

pseudos
plural of pseudo

pseuds
plural of pseud

purse crabs
plural of purse crab

quadriparas
plural of quadripara

quartoles
plural of quartole

quintiparas
plural of quintipara

recrucifixion
crucifixion again

recrucifixions
plural of recrucifixion

red king crab
Any of the species Paralithodes camtschaticus crabs.

retrognathia
A malocclusion in which the maxilla or mandible is further posterior than would be expected.

rhinorrhoea
Alternative form of rhinorrhea.

rhinorrhoeas
plural of rhinorrhoea

robber crab
A coconut crab (Birgus latro).

rock crab
Any of several kinds of crabs often found on rocky coasts, especially
Any of several kinds of crabs often found on rocky coasts, especially
Any of several kinds of crabs often found on rocky coasts, especially
Any of several kinds of crabs often found on rocky coasts, especially

rock crabs
plural of rock crab

rubble crabs
plural of rubble crab

runanga
A traditional Māori assembly or tribal council.

runangas
plural of runanga

sacculina
A parasite of the genus Sacculina.

sacculinas
plural of sacculina

sand crab
A crab of the Hippoidea superfamily of decapod crustaceans, living in sandy habitats.
A civilian.

sand crabs
plural of sand crab

sand hopper
Alternative form of sandhopper.

sand hoppers
plural of sand hopper

sand shrimp
Japanese sand shrimp (Crangon affinis), of east Asian waters
Brown shrimp, common shrimp, bay shrimp, grey shrimp Crangon crangon), of European waters
Seven-spine bay shrimp or sand shrimp (Crangon septemspinosa), of the Atlantic coast of North America
Greasyback shrimp (Metapenaeus ensis), of the Indo-Pacific.

sandhoppers
plural of sandhopper

sandprawns
plural of sandprawn

saron
A percussion idiophone with bronze bars, of Indonesian origin, used in gamelan music.

sarons
plural of saron

scalpella
plural of scalpellum

scalpellum
One of the four filamentous organs in the proboscis of hemipterous insects.

scampi
A Norway lobster (Nephrops norvegicus).
Any member of a similar species of genus Nephrops or similar prawns.

scampies
plural of scampi

scampis
plural of scampi

scampo
Alternative form of scampi.

schizidia
plural of schizidium

schizidium
A scale-like propagule originating from the upper layers of a lichen thallus.

scrobicula
A small groove, slit, or pit, commonly referring to roughness in the shell, or other firm surface, of an organism. cf. scrobe.

scrobiculae
plural of scrobicula

scud
Naked.

scuds
plural of scud

sea roach
A sea slater.

sea slater
A littoral woodlouse of species Ligia oceanica.

sea slaters
plural of sea slater

seba
plural of sebum

seed shrimp
An ostracod (class Ostracoda).

seed shrimps
plural of seed shrimp

senex
An older or old man, chiefly as a stock character.

senexes
plural of senex

septoles
plural of septole

ser
Abbreviation of serial.

sers
plural of ser

sestoles
plural of sestole

sextiparas
plural of sextipara

sextoles
plural of sextole

sexuparas
plural of sexupara

shield shrimp
A member of the Notostraca; a tadpole shrimp.

shore crabs
plural of shore crab

shrimp
Any of many swimming, often edible, crustaceans, chiefly of the infraorder Caridea or the suborder Dendrobranchiata, with slender legs, long whiskers and a long abdomen.
The flesh of such crustaceans.
A small, puny or unimportant person.
Synonym of butterface
A small penis.

shrimps
plural of shrimp

sialorrhoea
Alternative spelling of sialorrhea.

side swimmer
An amphipod, Hyalella azteca, indigenous to the Everglades.

signal crayfish
An American crayfish, Pacifastacus leniusculus, having a large claw that it waves to attract a mate.

siphonostome
Any parasitic entomostracan of the tribe Siphonostomata.

skeleton shrimp
Any member of the Caprellidae, a family of amphipods with a slender thread-like body.

skeleton shrimps
plural of skeleton shrimp

skud
To hit.
To speed.
To skim.

slater
One who lays slates, or whose occupation is to slate buildings.
Any terrestrial isopod crustacean of the genus Porcellio and allied genera; a woodlouse.
A harsh critic; one who slates or denigrates something.

slaters
plural of slater

sleepy crab
A sponge crab

slipper lobster
Any of the family Scyllaridae of achelate (clawless) decapod crustaceans.

slipper lobsters
plural of slipper lobster

snapping shrimp
Synonym of pistol shrimp.

snapping shrimps
plural of snapping shrimp

snow crab
Any crab of the species Chionoecetes opilio
Any crab of the genus Chionoecetes of spider crabs.

snow crabs
plural of snow crab

sophrosyne
The Ancient Greek concept of an ideal of excellence of character and soundness of mind, which when combined in one well-balanced individual leads to other qualities, such as temperance, moderation, prudence, and self-control.

sow bug
Alternative form of sowbug.

sow bugs
plural of sow bug

sowbug
A woodlouse.

sowbugs
plural of sowbug

sowpig
A woodlouse.

sowpigs
plural of sowpig