1 (?) specimen; additional unknown number of non-type specimens in a private collection
Yamasaki
Inland Sea off Seto
North West Pacific Ocean, Japan, Inland Sea of Japan, Yashirojima Nishi, 110 km southwest of Mukaishima, station St. 8, 33°54.24'N, 132°09.27'E, 17 m depth, mud, collected 29.X.2009