Miers, 1879
Carapace surface smooth, regions rather well demarcated, postorbital region very short; hepatic region moderately produced and broad; supraocular eave very finely spinulated; rostral lobes moderately broad at base, well separated from base, distally subacute. Eyestalk smooth. Basal antennal article with tubercles but without spines or spinules. Chelipeds heavy and swollen, merus especially so; palm much swollen on outer face; fingers compressed and as long as palm, slightly incurved near tip. Dactyl of second ambulatory leg tapering distally, those of posterior legs not falcate. First male pleopod flattened and spatulated at the tip. (Türkay 1995)
Type locality: Korea Strait.
Range: Japan - Tokyo Bay, Katsuyama, and Maizuru (Ortmann, 1893), Siriya-zaki, Inubo-zaki, Omae-zaki, Suruga Bay, Tanabe, Bungo Strait, Koshiki-jima, between Nagasaki and Koshiki-jima, Tsushima, between Shimonoseki and Iki, north of Nagato, east of Mishima, Wakasa Bay, and north of Noto (Yokoya, 1933), Shimoda (Sakai, 1935), Tateyama Bay, Manazuru, Simoda, Ise Bay, Gobo and Nagasaki (Sakai, 1938a), Sagami Bay (Sakai, 1965b), Tsushima Strait and Genkai-nada (Takeda, 1973c), Tokyo Bay, Sagami Bay, Shimoda, Mikawa Isshiki, Kii Minabe, and Nagasaki (Sakai, 1976a), Amakusa (Yamaguchi et al., 1976), Yamagata Prefecture (Suzuki S., 1979), off Honshu, Sagami Bay, Shimonoseki, Nagasaki, Nanao to Isuruga, Tara Ibusuki, Hakodate, Obama and Mogi (Griffin & Tranter, 1986a), off Matsuyama, Seto Inland Sea (Takeda et al., 2000), Ogasawara-shoto; Korea - Korea Strait (Miers, 1879b, Griffin & Tranter, 1986a), Keisho-nando (Kamita, 1941), Bangjugpo (Kim, 1973), Cheju-do (Kim & Chang, 1985); East China Sea (Takeda & Miyake, 1969e, 1972); China - Jiaozhou Bay (Shen, 1937, Dai & Yang, 1991); 5-137m.