japonicus, Oxynotus Yano [K.] & Murofushi [M.] 1985:129, Figs. 1-3 [Japanese Journal of Ichthyology v. 32 (no. 2); ref. 5797] Suruga Bay off Heda, Japan, depth 225-270 meters. Holotype (unique): HVMSH [Heda Village Mus.] 00019. •Valid as Oxynotus japonicus Yano & Murofushi 1985 -- (Compagno 1999:474 [ref. 25589], Nakabo 2000:149 [ref. 25086], Nakabo 2002:149 [ref. 26001], Yano & Matsuura 2002:109 [ref. 26346], Yano et al. 2002:364 [ref. 26798], Weigmann 2016:63 [ref. 34211], Ho & Nakaya 2017:357 [ref. 35039], Sato et al. 2022:1 [ref. 39097]). Current status: Valid as Oxynotus japonicus Yano & Murofushi 1985. Oxynotidae. Distribution: Northwestern Pacific: Taiwan north to central Japan. Habitat: marine.