platyrhynchus, Cataetyx Machida [Y.] in Okamura & Kitajima 1984:263, Pl. 183 [Fishes of the Okinawa Trough and the adjacent waters; ref. 8057] Okinawa Trough, 25°17.1'N, 124°46.8'N, depth 910-990 meters. Holotype (unique): BSKU 28697. •Valid as Cataetyx platyrhynchus Machida 1984 -- (Machida in Masuda et al. 1984:101 [ref. 6441], Nielsen & Cohen in Nielsen et al. 1999:101 [ref. 24448], Nakabo 2000:449 [ref. 25086], Nakabo 2002:449 [ref. 26001], Balushkin & Prokofiev 2005:557 [ref. 28326], Shinohara et al. 2005:414 [ref. 28370], Møller et al. 2016:Appendix A [ref. 34432] in Bythitidae). Current status: Valid as Cataetyx platyrhynchus Machida 1984. Bythitidae. Distribution: Western North Pacific. Habitat: marine.