''Geograpsus'' 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
Grapsidae
The Grapsidae are a family of crabs known variously as marsh crabs, shore crabs, or talon crabs. The family has not been confirmed to form a monophyletic group and some taxa may belong in other families. They are found along the shore among rocks ...
, containing four
extant
Extant is the opposite of the word extinct. It may refer to:
* Extant hereditary titles
* Extant literature, surviving literature, such as ''Beowulf'', the oldest extant manuscript written in English
* Extant taxon, a taxon which is not extinct, ...
species, and one extinct species:
*''
Geograpsus crinipes''
(Dana, 1851)
*''
Geograpsus grayi
''Geograpsus'' is a genus of crabs in the family Grapsidae
The Grapsidae are a family of crabs known variously as marsh crabs, shore crabs, or talon crabs. The family has not been confirmed to form a monophyletic group and some taxa may belo ...
''
(H. Milne-Edwards, 1853)
*''
Geograpsus lividus
''Geograpsus lividus'' is a species of crab in the family Grapsidae.
Description
''G. lividus'' can reach a width of about . Cephalothorax is globose, smooth and without tubercles. Chelar tubercles are restricted to the upper half of the chel ...
''
(H. Milne-Edwards, 1837)
*''
Geograpsus stormi''
De Man, 1895
*† ''
Geograpsus severnsi''
Paulay & Starmer, 2011
References
Grapsidae
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