Author: "iheyaensis is derived from the type locality, Iheya Ridge, Nansei Seamount, Okinawa" [details]
mud bottom, associated with Siboglinidae tubes. [details]
Iheya Ridge, Nansei Seamount, Okinawa Trough, East China Sea, 27.5417 126.975, 1395 to 1425 m [details]
off Iwa, Manazuru Peninsula, Sagami Bay, Japan (approx, via gazetteer) 35.1579 139.1447, 20 m [details]