Spiochaetopterus Sars, 1853 iheyaensis Nishi, 2008: Iheya Ridge, Nansei Seamount, off Okinawa, Japan. CMNH 1699, CBM 1007, NHM 2007.979, USNM 1109995 okinawaensis Nishi & Bhaud, 2000: Bise Beach, Okinawa, Japan. CBM 302, 303 sesokoensis Nishi & Bhaud, 2000: Sesoko Island, Motobu, Okinawa, Japan. CBM 70, 700