(Takeda, 1975)
Carapace relatively broad, the breadth being more than 3/4 the total length, its surface closely and finely granular; distance between external orbital angles much less than half carapace breadth; seven fronto-orbital teeth; antero-lateral teeth strong, erect and triangular, clearly larger than exorbital teeth. Eyes degenerated, cornea much narrower than eyestalk. Dactylus of fourth pereiopod elongately quadrangular, its distal border truncate. (Türkay 1995)
Type locality: East China Sea, 31°19.6'N, 128°14.1'E - 31°20.7'N, 128°16.0'E, 176-199 m.
Range: East China Sea (Takeda, 1975a); 176-199 m.