H. Milne Edwards, 1853
Outer border of external orbital angle not divergent backward; exorbital breadth sub-equal to largest breadth of carapace. Third maxilliped with a broad subdistal concavity on outer border; no vestigial flagellum on exopodite. (Davie 1997)
Frontal breadth clearly less than half largest breadth of carapace. Outer border of external orbital angle slightly divergent backward; exorbital breadth clearly shorter than largest breadth of carapace. Third maxilliped with outer border of merus regularly convex; a vestigial flagellum on exopodite. (Davie 1997)
Range: Zanzibar; Madagascar - Nosy Bé (Crosnier, 1965); Laccadive Islands - Minikoy (Alcock, 1900b); Maldives - Fadiffolu Atoll (Rathbun, 1902b); India - Madras and Ganges Delta (Alcock, 1900b); Andaman Islands (Alcock, 1900b); Nicobar Islands (Alcock, 1900b); Mergui Archipelago (Alcock, 1900b); Sumatra - Banda Aceh (de Man, 1898); Malaysia - Penang (de Man, 1898); Taiwan (Balss, 1922c); Philippines - Luzon (Ortmann, 1894a); Indonesia - Patani, Halmahera Island, Waigeo Island, and Manokwari (Rathbun, 1910a), Lombok and Adonara Island (Tesch, 1918a); Bertrand Islands (Sendler, 1923); Samoa (Ortmann, 1894a); Tahiti (Ortmann, 1894a).