''Pinnotheres'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

crab Crabs are decapod crustaceans of the infraorder Brachyura (meaning "short tailed" in Greek language, Greek), which typically have a very short projecting tail-like abdomen#Arthropoda, abdomen, usually hidden entirely under the Thorax (arthropo ...

s, including the

pea crab The pea crab, ''Pinnotheres pisum'', is a small crab in the family Pinnotheridae that lives as a parasite in oysters, clams, mussels, and other species of bivalves. Etymology ''Pinnotheres'' is Greek for "guard of '' Pinna''" and ''pisum'' i ...

. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the

oyster crab The oyster crab (''Zaops ostreus'') is a small, whitish or translucent crab in the family Pinnotheridae. Description and habitat Oyster crabs are small in size, typically measuring around 1 to 2 centimeters in width. They have a flattened bo ...

and ''Nepinnotheres novaezelandiae'' (formerly ''P.'' ''novaezelandiae)'', the

New Zealand pea crab The New Zealand pea crab (''Nepinnotheres novaezelandiae''), is a species of small, parasitic crab that lives most commonly inside New Zealand green-lipped mussels. Adult females are about the size and shape of a pea, while adult males are smal ...

. The species currently recognised in the genus ''Pinnotheres'' are:

References

Pinnotheroidea {{Eubrachyura-stub