Galatheidae
Galatheadae Samouelle, 1819: 92.
Galatheinae A. Milne Edwards and Bouvier, 1894a: 244. – A. Milne Edwards and Bouvier 1897: 5. – A. Milne Edwards and Bouvier 1899: 71. – Ortmann 1898: 1150. – Baba 1988: 53 (key). – Baba 2005: 67 (key).
Galatheidae Bouvier, 1896: 311. – Alcock 1901: 236. – Borradaile 1907: 476. – Schmitt 1921: 162. – Barnard 1950: 481. – Balss 1957: 1595. – Zariquiey Alvarez 1968: 268. – Squires 1970: 407. – Williams 1965: 105. – Williams 1984: 231. – Davie 2002: 58. – Poore 2004: 228. – Baba et al. 2008: 46 (list of genera and species). – Baba et al. 2009: 69. – Ahyong et al. 2010: 59.
Type genus. Galathea Fabricius, 1793
Carapace longer than wide; dorsally with transverse striae or tubercles. Rostrum well-developed, broad, flattened, usually subtriangular; supraocular spines present or absent. Sternal plate of thoracic somite 8 distinct, separated from preceding sternal plastron. Eyes with well-developed cornea. Antennal peduncle directed anteriorly or anterolaterally. Mxp1 exopod flagellum well-developed. Mxp3 pediform, ischium and merus elongate, not expanded mesially; epipod present. Chelipeds subcylindrical to ovate in cross-section.