''Pinnotheres'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of crabs, 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. Description Pea crabs are small crustaceans about the size of a pea or dime, wit ...

. 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. Ecology It is less than half an inch across, and lives inside the gills of an oyster or a clam. It uses the oyster for protection and liv ...

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

New Zealand pea crab The New Zealand pea crab, ''Nepinnotheres novaezelandiae'', is a 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 smaller and flat ...

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

Pinnotheres atrinae ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Sakai, 1939 *''

Pinnotheres atrinicola ''Pinnotheres atrinicola'' is a small crab that lives symbiotically in the horse mussel ''Atrina zelandica ''Atrina zelandica'', one of several species known as the horse mussel, is a large species of saltwater clam in the family Pinnidae, t ...

'' Page, 1983 *''

Pinnotheres bidentatus ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Sakai, 1939 *''

Pinnotheres bipunctatus ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Nicolet, 1849 *''

Pinnotheres boninensis ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Stimpson, 1858 *'' Pinnotheres borradailei'' Nobili, 1905 *''

Pinnotheres corbiculae ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Sakai, 1939 *''

Pinnotheres coutierei ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (f ...

'' Nobili, 1905 *'' Pinnotheres cyclinus'' Gordon, 1932 *''

Pinnotheres dilatatus ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Shen, 1932 *''

Pinnotheres dofleini ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Lenz, 1914 *''

Pinnotheres edwardsi ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' de Man, 1887 *'' Pinnotheres excussus'' Dai, Feng, Song & Chen, 1980 *'' Pinnotheres globosus'' Hombron & Jacquinot, 1846 *'' Pinnotheres gordonae'' Shen, 1932 *'' Pinnotheres guerini'' H. Milne-Edwards, 1853 *'' Pinnotheres haiyangensis'' Shen, 1932 *'' Pinnotheres hanumantharaoi'' Devi & Shyamasundari, 1989 *'' Pinnotheres hemphilli'' Rathbun, 1918 *'' Pinnotheres hickmani'' (Guiler, 1950) *'' Pinnotheres hirtimanus'' H. Milne-Edwards, 1853 *'' Pinnotheres jamesi'' Rathbun, 1923 *''

Pinnotheres kamensis ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (f ...

'' Rathbun, 1909 *''

Pinnotheres kutensis ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Rathbun, 1900 *''

Pinnotheres lanensis ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Rathbun, 1909 *''

Pinnotheres laquei ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Sakai, 1961 *''

Pinnotheres latipes ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Jacquinot ''in'' Hombron & Jacquinot, 1846 *''

Pinnotheres lithodomi ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Smith, 1870 *''

Pinnotheres luminatus ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Dai, Feng, Song & Chen, 1980 *''

Pinnotheres lutescens ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (f ...

'' Nobili, 1905 *''

Pinnotheres mactricola ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Alcock, 1900 *''

Pinnotheres maindroni ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (f ...

'' Nobili, 1905 *''

Pinnotheres margaritiferae ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Laurie, 1906 *''

Pinnotheres nigrans ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Rathbun, 1909 *''

Pinnotheres obesus ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (f ...

'' Dana, 1852 *''

Pinnotheres obscuridentata ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Dai & Song, 1986 *''

Pinnotheres obscurus ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Stimpson, 1858 *''

Pinnotheres onychodactylus ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (f ...

'' Tesch, 1918 *''

Pinnotheres orcutti ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Rathbun, 1918 *''

Pinnotheres ostrea ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' (Aikawa, 1933) *''

Pinnotheres paralatissimus ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Dai & Song, 1986 *''

Pinnotheres parvulus ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Stimpson, 1858 *''

Pinnotheres pectunculi ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Hesse, 1872 *''

Pinnotheres perezi ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (f ...

'' Nobili, 1905 *''

Pinnotheres pholadis ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' De Haan, 1835 *''

Pinnotheres pichilinquei ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Rathbun, 1923 *''

Pinnotheres pilulus ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (f ...

'' Dai, Feng, Song & Chen, 1980 *''

Pinnotheres pilumnoides ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Nobili, 1905 *''

Pinnotheres pisum 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. Description Pea crabs are small crustaceans about the size of a pea or dime, wi ...

'' (Linnaeus, 1767) *''

Pinnotheres pubescens ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' (Holmes, 1894) *''

Pinnotheres pugettensis ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Holmes, 1900 *''

Pinnotheres purpureus ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Alcock, 1900 *''

Pinnotheres quadratus ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Rathbun, 1909 *''

Pinnotheres ridgewayi ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Southwell, 1911 *''

Pinnotheres rouxi ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' H. Milne-Edwards, 1853 *''

Pinnotheres sanguinolariae ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Pillai, 1951 *''

Pinnotheres sebastianensis ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' (Rodrigues da Costa, 1970) *''

Pinnotheres serrignathus ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Shen, 1932 *''

Pinnotheres shoemakeri ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Rathbun, 1918 *''

Pinnotheres siamensis ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (f ...

'' Rathbun, 1909 *''

Pinnotheres socius ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Lanchester, 1902 *''

Pinnotheres taichungae ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' K. Sakai, 2000 *''

Pinnotheres taylori ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Rathbun, 1918 *''

Pinnotheres tenuipes ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (f ...

'' Borradaile, 1903 *''

Pinnotheres trichopus ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Tesch, 1918 *''

Pinnotheres tsingtaoensis ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (form ...

'' Shen, 1932 *''

Pinnotheres vicajii ''Pinnotheres'' is a genus of crabs, including the pea crab. Many species formerly in ''Pinnotheres'' have been placed in new genera, such as ''Zaops ostreus'' (formerly ''P. ostreus''), the oyster crab and ''Nepinnotheres novaezelandiae'' (f ...

'' Chhapgar, 1957

References

Pinnotheroidea {{crab-stub