The Ocypodidae are a family of semiterrestrial crabs that includes the ghost crabs and

fiddler crabs The fiddler crab or calling crab may be any of more than one hundred species of semiterrestrial marine crabs in the family Ocypodidae, well known for their sexually dimorphic claws; the males' major claw is much larger than the minor claw, while ...

. They are found on tropical and temperate shorelines around the world. Some genera previously included in the family are now treated as members of separate families in the superfamily Ocypodoidea, such as the

Dotillidae The Dotillidae are a family of crabs with 59 species, nearly half of which are in the genus '' Ilyoplax''. The two genera ''Scopimera'' and ''Dotilla'' are collectively the sand bubbler crab Sand bubbler crabs (or sand-bubblers) are crabs of ...

and Macrophthalmidae. In 2016, the genus Uca was split into 13 genera by elevating its subgenera to genus rank, among other things. Further refinements have been made to the organization of the family, which has 4 subfamilies, about 13 extant genera, and about 180 described species as of 2020. The majority of the Ocypodidae species are fiddler crabs, the exceptions being the members of the genus ''

Ocypode ''Ocypode'' is a genus of ghost crabs found in the sandy shores of tropical and subtropical regions throughout the world. They have a box-like body, thick and elongated eyestalks, and one claw is larger than the other in both males and female ...

'', ghost crabs, and the genus ''

Ucides ''Ucides'' is a genus of mangrove crabs in the monotypic family Ucididae, containing two species: * '' Ucides cordatus'' (Linnaeus, 1763 Events January–March * January 27 – The seat of colonial administration in the Vic ...

'', mangrove crabs.

Genera

These genera belong to the family Ocypodidae: * '' Afruca'' Crane, 1975 * ''

Austruca ''Austruca'' is a genus of indo-west Pacific fiddler crabs in the family Ocypodidae. There are about 13 described species in this genus. ''Austruca'' was formerly a subgenus of ''Uca'', but in 2016 it was elevated in rank to genus. Species The ...

'' Bott, 1973 * '' Cranuca'' Beinlich & von Hagen, 2006 * '' Gelasimus'' Stimpson 1862 * ''

Leptuca ''Leptuca'' is a genus of fiddler crabs belonging to the family Ocypodidae. The species of this genus are found on the coasts of the Americas. Description They are small- to large-sized crabs with an adult carapace width of 5–25 mm in adul ...

'' Bott, 1973 * '' Minuca'' Bott, 1954 * ''

'' Weber, 1795 - (ghost crabs) * '' Paraleptuca'' Bott, 1973 * '' Petruca'' N.g.Shih & Christy, 2015 * ''

Tubuca ''Tubuca'' is a genus in Ocypodidae, a family of fiddler and ghost crabs. There are more than 20 described species in ''Tubuca''. Species These 23 species belong to the genus ''Tubuca'': * '' Tubuca acuta'' (Stimpson, 1858) * '' Tubuca alcocki' ...

'' Bott, 1973 * ''

Uca The fiddler crab or calling crab may be any of more than one hundred species of semiterrestrial marine crabs in the family Ocypodidae, well known for their sexually dimorphic claws; the males' major claw is much larger than the minor claw, whil ...

'' Leach, 1814 * ''

'' Rathbun, 1897 - (mangrove crabs) * '' Xeruca'' Shih, 2015 * † '' Chondromaia'' Feldmann, et al., 2013 * † '' Eoinachoides'' Van Straelan, 1933 * † '' Micromaia'' Bittner, 1875 * † '' Mithracia'' Bell, 1858 * † '' Nanomaja'' Müller & Collins, 1991 * † '' Panticarcinus'' Collins & Saward, 2006 * † '' Periacanthus'' Bittner, 1875 * † '' Pisomaja'' Lorenthey, 1929 * † '' Wilsonimaia'' Blow & Manning, 1996

Genera

References

Further reading