(Sakai, 1961)
Carapace circular, its surface smooth besides the six central tubercles; front with two horizontal lobes laterally and an anteriorly emarginate, tapering rostrum; antero-lateral margins provided with low tubercles, smaller and closer together anteriorly; lateral spine triangular. Cheliped palm with upper margin cristate and tridentate, milled ridge proximally with two strong tubercles. Propodus of second pereiopod one and a half times as long as wide, with an acute tooth on inner border; propodus of third pereiopod anteriorly bilobate; Propodus of third pereiopod with an acute tooth on inferior margin. (Türkay 1995)
Type locality: off the coast of Aichi Prefecture, Japan.
Range: Madagascar (Galil & Clark, 1995); Japan - off Aichi (Sakai, 1961), Sagami Bay and Mikawa Bay (Sakai, 1965b, 1976), Sagami Bay and Yaku-shima (Galil & Clark, 1995), Mikawa Bay and Tosa Bay (Muraoka, 1998), off Choshi, Chiba Prefecture; East China Sea (Takeda & Miyake, 1970a); Taiwan - Tungkang, P'ing-tung County, Tachi, I-Lan County (Ng & Huang, 1997); China Sea - near Hong Kong (Galil & Clark, 1995); Nansha Islands (Yang & Dai, 1994); Arafura Sea; 35-80 m.