Miers, 1886
Carapace surface smooth or finely granular; protogastric spines of extreme length, greatly overreaching all other spines and generally produced forward or obliquely forward beyond margin of carapace, posterior mesogastric spine without a flanking spine or tubercle; supraorbital eave unarmed; rostral spines long, largely overreaching the interantennular one; pterygostomial region flat and on the lateral margin there is only a weak ridge with scattered granules, up to four tubercles, some high, an a short posterior spine. Antennal peduncle cylindrical, basal article with four spines, one medial and three on the lateral margin. (Türkay 1995)
Type locality: near Talaud Islands, between Philippines and Molucca Sea, 4°33'N, 127°6'E, "Challenger" stn 214, 900 m.
Range: India - Travancore (Alcock, 1899c); Andaman Sea (Griffin, 1974); Nicobar Islands (Doflein, 1904); Sumatra and Nias (Doflein, 1904); Straits of Malacca (Griffin & Tranter, 1986a); Japan - (Bouvier, 1915a, Guinot & Richer de Forges, 1982b), Tosa Bay (Sakai, 1976a); South China Sea - Tungsha Islands (Ng & Huang, 1997); Philippines - Verde Island Passage and north-west of Lubang Island (Serène & Vadon, 1981, Guinot & Richer de Forges, 1986a); Indonesia - near Talaud Islands (Miers, 1886, Guinot & Richer de Forges, 1982b), Sumbawa (Ihle & Ihle-Landenberg, 1931), Flores Sea (Griffin & Tranter, 1986a); Australia - Port Stephens and Broken Bay (Griffin & Brown, 1976), eastern Queensland (Davie & Short, 1989), east of Clarence River, north-east of Wooli, north-east of North Solitary Islands, south-east of Crowdy Head, east of Seal Rocks, east of Sydney, east of Kiama and east of Brush Island, N.S.W. (Griffin & Tranter, 1986a), north-west of Port Hedland (Griffin & Tranter, 1986a); 120-694 m.