orientalis, Apterichtus Machida [Y.] & Ohta [S.] 1994:1, Figs. 2-4 [Japanese Journal of Ichthyology v. 41 (no. 1); ref. 21444] Southeast of Kii Peninsula, Wakayama Prefecture, Japan, 33°26.4'N, 135°43.8'E to 33°26.2'N, 135°44.3'E, depth 79-81 meters. Holotype (unique): BSKU 81631. •Valid as Apterichtus orientalis Machida & Ohta 1994 -- (Nakabo 2000:219 [ref. 25086], Nakabo 2002:219 [ref. 26001], Hibino et al. 2014:[2] [ref. 33212], McCosker & Hibino 2015:75 [ref. 33725]). Current status: Valid as Apterichtus orientalis Machida & Ohta 1994. Ophichthidae: Ophichthinae. Distribution: Western North Pacific: Japan. Habitat: marine.