yamasakiorum, Hymenocephalus Nakayama [N.], Endo [H.] & Schwarzhans [W.] 2015:504, Figs. 1-4 [Ichthyological Research v. 62 (no. 4); ref. 33724] Tosa Bay off Aki, Kochi, Shikoku Island, Japan, depth 320-400 meters. Holotype (unique): BSKU 113692. •Valid as Hymenocephalus yamasakiorum Nakayama, Endo & Schwarzhans 2015 -- (Nakayama 2020:221 [ref. 37888]). Current status: Valid as Hymenocephalus yamasakiorum Nakayama, Endo & Schwarzhans 2015. Macrouridae. Distribution: Tosa Bay off Aki, Kochi, Japan. Habitat: marine.