xystrias, Engyprosopon Hubbs [C. L.] 1915:457, Pl. 25 (fig. 3) [Proceedings of the United States National Museum v. 48 (no. 2082); ref. 2224] Vincennes Strait, Japan, 30°12'N, 130°43'40"E, Albatross station 4931, depth 83 fathoms. Holotype (unique): USNM 75672. •Valid as Engyprosopon xystrias Hubbs 1915 -- (Amaoka 1969:151 [ref. 105], Amaoka in Masuda et al. 1984:348 [ref. 6441], Lindberg & Fedorov 1993:40 [ref. 21500], Amaoka et al. 1993:385 [ref. 22091], Amaoka in Randall & Lim 2000:645 [ref. 25122], Hensley & Amaoka 2001:3833 [ref. 26311], Nakabo 2000:1364 [ref. 25182], Nakabo 2002:1364 [ref. 26193], Amaoka & Séret 2005:18 [ref. 28196], Amaoka & Séret 2005:377 [ref. 28644], Amaoka et al. 2008:112 [ref. 29584], Motomura et al. 2010:231 [ref. 31256], Ohashi & Motomura 2011:93 [ref. 32413], Amaoka & Ho 2018:451 [ref. 35909], Amaoka & Ho 2019:188 [ref. 37188], Hensley & Amaoka 2022:340 [ref. 40220]). Current status: Valid as Engyprosopon xystrias Hubbs 1915. Bothidae. Distribution: Indo-West Pacific: Saya de Malha Bank east to South China Sea, north to southern Japan, south to Coral Sea. Habitat: marine.