Lamarck, 1801
Carapace subcircular, slightly broader than long, its regions fairly well defined, cervical groove distinct, branchial region with regular obliquely transverse ridges; antero-lateral borders armed with one tooth behind the acute exorbital angle; front breadth less than half breadth of carapace, 4 postfrontal lobes. Interantennular septum very broad. Suborbital border deeply notched near external orbital angle. Ischium of third maxillipeds longer than broad, merus shorter than ischium, exopodite with flagellum. Chelipeds subequal, much shorter than the ambulatory legs; carpus with a strong tooth at inner angle; palm and fingers short and stout; finger tips spoon-shaped. (Türkay 1995)
Type species: Cancer grapsus Linnaeus, 1758, by tautonomy.
Gender masculine.
Species treated:
Grapsus albolineatus Lamarck, 1818
Grapsus intermedius de Man, 1888
Grapsus longitarsis Dana, 1851
Grapsus tenuicrustatus (Herbst, 1783)