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Dana, 1852

Carapace transversely elliptical, 1.4-1.5 times as broad as long, smooth, convex in both directions, epibranchial ridge sometimes absent, if present starting at last antero-lateral tooth and reaching across branchial regions; front with median and submedian indentations of similar depth; antero-lateral borders of carapace with 7 teeth, first to fifth rounded and lobular, sixth and seventh acute, fifth and seventh smallest, sixth largest. Chelipeds slightly heterochelous and smooth, merus with 3 strong teeth on anterior border, posterior border smooth; carpus with a strong tooth at its internal border. (Türkay 1995)

Portunidae with eyestalks of normal length; carapace broad (transversely elliptical) and convex in both directions; antennal flagellum lies in orbital hiatus; seven antero-lateral teeth, sixth the largest; arm and wrist of chelipeds bearing spines. (Davie 1999)

Type locality: Tuamotu Archipelago.
Range: Red Sea (Apel & Spiridonov, 1998); Persian Gulf (Apel & Spiridonov, 1998); Gulf of Oman (Apel & Spiridonov, 1998); Madagascar (Crosnier, 1962); Mayotte (Crosnier, 1962); Seychelles - Mahé (Stephenson, 1976), Coëtivy Islands; Mauritius (Alcock, 1899a); Chagos Archipelago; India - Madras coast (Alcock, 1899a); Andaman Islands (Alcock, 1899a); Japan - Tokyo Bay (Ortmann, 1893), Manazuru, Shimoda, Nanki Shirahama and Nagasaki (Sakai, 1939), Sagami Bay (Sakai, 1965b), Sagami Bay, Manazuru, Shimoda, Kii Nagashima, Kii Minabe, and Ishigaki-jima (Sakai, 1976a), Mikawa Bay, Wagu, Kii Nagashima, Gobo, and Kii Minabe (Muraoka, 1998), Muroto (Apel & Spiridonov, 1998); Korea - Cheju-do (Kim, 1973); Taiwan; South China Sea - Paracel Islands (Chen, 1975, Yang et al., 1979, Dai & Yang, 1991), Nansha Islands (Dai & Xu, 1991); Palau (Takeda & Shimazaki, 1974); Indonesia - Ambon (de Man, 1888d), Savu, Solor Island, Borneo Bank, Salibabu Island, Tiur Island, near Roti, and Ambon (Leene, 1938), Ambon and Ternate (Apel & Spiridonov, 1998), Biak Island (Stephenson, 1975); New Britain - Kokopo near Rabaul (Takeda & Nunomura, 1976); Australia - Hope Island (Stephenson & Campbell, 1960), Low Island and Hope Island, Queensland; Samoa (Alcock, 1899a, Apel & Spiridonov, 1998); Hawaiian Islands - Honolulu (Rathbun, 1906, Stephenson, 1972a); Line Islands - Tabuaeran (Edmondson, 1923); Tahiti (Apel & Spiridonov, 1998); Tuamotu Archipelago - (Dana, 1851, 1852), Pukapuka (Stephenson, 1976); Pitcairn Island (Stephenson, 1976); intertidal to 80 m.

Carupa tenuipes