(Alcock, 1895)
Monotypic genus, description of genus repeated:
Postorbital lobe rudimentary; hepatic margin with a slender spine; distal margin of basal antennal article at least level with, usually extending forward beyond, anterior margin of eyestalk, free or fused to front; green (antennal) gland distinct and more or less distant from junction of basal antennal article and epistome; third maxilliped with merus as broad as the ischium; basal antennal article usually flattened ventrally; rostrum of two spines or fused only in basal half; rostral spines fused for about the basal half; supraorbital eave with a preorbital spine and often a small antorbital lobe; intestinal region with a slender medial spine or low tubercle on posterior margin; small species (carapace length to 12 mm). (Davie 1996)
Type locality: Andamans.
Range: Gulf of Aqaba (Griffin & Tranter, 1974); Red Sea; Gulf of Aden (Griffin, 1974); Somalia - off Cape Guardafui (Griffin, 1974); Seychelles (Rathbun, 1911); Mozambique Channel (Griffin, 1974); Mozambique - Lourenço Marques (Griffin, 1974); Sri Lanka (Alcock, 1895a); Andaman Islands (Alcock, 1895a); Japan -Tanegashima and Ogasawara-shoto (Takeda, 1977a); Sulu Sea - Pearl Bank (Griffin, 1972); Indonesia - Selat Sape and Kepulauan Kai (Griffin & Tranter, 1986a); Australia - off Cape Moreton, Queensland (Griffin, 1973), Pt. Cloates, Carnarvon and Bluff Pt., W.A. (Griffin, 1972); 47-300 m.