''Parapinnixa'' is a genus of

crab Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, βραχύς , translit=brachys = short, / = tail), usually hidden entirely under the thorax. They live in all the ...

s in the family Parapinnixidae. Originally described by

Samuel Jackson Holmes Samuel Jackson Holmes (March 7, 1868 – March 5, 1964California Death Records. – California Department of Health Services Office of Health Information and Research.) was an American zoologist and eugenicist. He was a professor at the Universit ...

as ''Pseudopinnixa'', he published the

replacement name In biological nomenclature, a ''nomen novum'' (Latin for "new name"), new replacement name (or replacement name, new substitute name, substitute name) is a scientific name that is created specifically to replace another scientific name, but only w ...

''Parapinnixa'' the following year, after learning of the

senior homonym In biology, a homonym is a name for a taxon that is identical in spelling to another such name, that belongs to a different taxon. The rule in the International Code of Zoological Nomenclature is that the first such name to be published is the se ...

'' Pseudopinnixa'' Ortmann, 1894. The genus contains the following species: *''

Parapinnixa affinis ''Parapinnixa affinis'', the California Bay pea crab, is a species of pinnotherid crab endemic to Southern California. It is a small crab that lives commensally in the tube of a tube-dwelling worm. It was one of the first marine crustaceans to ...

'' Holmes, 1900 – California Bay pea crab *''

Parapinnixa beaufortensis ''Parapinnixa'' is a genus of crabs in the family Parapinnixidae. Originally described by Samuel Jackson Holmes as ''Pseudopinnixa'', he published the replacement name ''Parapinnixa'' the following year, after learning of the senior homonym '' P ...

'' Rathbun, 1918 *'' Parapinnixa bouvieri'' Rathbun, 1918 *'' Parapinnixa cortesi'' Thoma, Heard & Vargas, 2005 *'' Parapinnixa cubana'' Campos, 1994 *'' Parapinnixa glasselli'' Garth, 1939 *''

Parapinnixa hendersoni ''Parapinnixa'' is a genus of crabs in the family Parapinnixidae. Originally described by Samuel Jackson Holmes as ''Pseudopinnixa'', he published the replacement name ''Parapinnixa'' the following year, after learning of the senior homonym '' P ...

'' Rathbun, 1918 *''

Parapinnixa magdalenensis ''Parapinnixa'' is a genus of crabs in the family Parapinnixidae. Originally described by Samuel Jackson Holmes as ''Pseudopinnixa'', he published the replacement name ''Parapinnixa'' the following year, after learning of the senior homonym '' P ...

'' Werding & Müller, 1990 *''

Parapinnixa nitida ''Parapinnixa'' is a genus of crabs in the family Parapinnixidae. Originally described by Samuel Jackson Holmes as ''Pseudopinnixa'', he published the replacement name ''Parapinnixa'' the following year, after learning of the senior homonym '' P ...

'' (Lockington, 1876)

References

Pinnotheroidea Taxonomy articles created by Polbot {{crab-stub