The type locality if off Choshi, Chiba Prefecture on Honshu Island. The distribution ranges off of Choshi and northwards off of Iwate Prefecture.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith