Rathbun, 1906
Carapace with fine granules; ridges from the protogastric spines to the rostrum, to the postorbital spine and to the mesogastric spine not very well marked, the one towards the mesogastric spine the least so, dorsal branchial regions with an anterior spine followed by a smaller one and two to four tubercles; rostral spines clearly shorter than interantennular. Antennal peduncle prominently flattened, basal article with medial distal lobe slightly larger and with more and more acute teeth than the lateral distal one. (Türkay 1995)
Type locality: South coast of Molokai Island, Hawaiian Islands, "Albatross" stn 3838.
Range: Japan -Tanabe, Muroto-misaki, Bungo Strait, Tanegashima, Goto-retto, and Tsushima (Yokoya, 1933), Yonaguni-jima, Okinawa (Takeda & Miyake, 1969e), Ogasawara-shoto (Takeda & Kurata, 1976b), south-west of Goto-retto (Guinot & Richer de Forges, 1982); East China Sea (Takeda & Miyake, 1969e, Griffin & Tranter, 1986a); Indonesia - Timor; New Caledonia (Guinot & Richer de Forges, 1982a); New Zealand - Three Kings Islands (Borradaile, 1916, Guinot & Richer de Forges, 1982), off North Cape and off Flat Head (Griffin & Tranter, 1986a); Hawaiian Islands - (Guinot & Richer de Forges, 1982b), Molokai and Hawaii (Rathbun, 1906); 100-216 m.