1 (?) specimen; additional unknown number of non-type specimens, deposited in a private collection
Yamasaki, H.
Inland Sea off Seto
North West Pacific Ocean, Japan, Inland Sea of Japan, Beppu wan Higasij, 160 km southwest of Mukaishima, station St. 7, 33°26.05'N, 131°47.93'E,44 m depth, mud, collected 29.X.2009