unknown number of specimens; additional non-type specimens deposited in a private collection
Yamasaki
Inland Sea off Seto
North West Pacific Ocean, Japan, Inland Sea of Japan, Sanagi-shima-Kita, 36 km east of Mukaishima, station St. 3, 34°21.52'N, 133°36.38'E, 23-25 m depth, mud, collected 27.X.2009