Guérin-Méneville, 1832
Carapace broadish, evenly covered with stiff hairs, regions arranged obliquely, antero-lateral borders with 5 acuminate teeth. Orbital margin spinulated. Overall colouration dark bluish or brownish. (Türkay 1995)
Type locality: Mauritius.
Range: Somalia (McLay, 1999); Aldabra Island (McLay, 1999); Coëtivy Islands (Rathbun, 1911); Madagascar - Tuléar (McLay, 1999); Mauritius (Bouvier, 1915b, Michel, 1964, McLay, 1999); Chagos Archipelago - Salomon Island (Rathbun, 1911); Cocos-Keeling Islands (McLay, 1999); Japan - Amami-Oshima (Ortmann, 1892), Tosa Bay (Sakai, 1936c), Hachijo-jima (Sakai, 1954), Kii Minabe, Shiono-misaki, Ashizuri-misaki, Yoron-jima, Ishigaki and Taketomi-jima (Sakai, 1976a); Taiwan - Su-ao (Lin, 1949), Nan-Wan, P'ing-tung County and Wan-li-Fong (McLay, 1999); China - Paracel Island (Chen, 1980b, Dai & Yang, 1991); Indonesia - Ambon (de Man, 1888d), Salawati Island (McLay, 1999); Palau (Takeda, 1973d); Tasman Sea - Elizabeth Reef and Middleton Reef (McLay, 1999); New Caledonia (McLay, 1999); Samoa (McLay, 1999); Kure Island (McLay, 1999); Hawaiian Islands (McLay, 1999); Johnston Island (McLay, 1999); Howland Island (McLay, 1999); Tuamotu Archipelago - Marutea (McLay, 1999); Austral Islands - Marotiri (McLay, 1999); intertidal and shallow subtidal coral reefs and rocks.