crassicaudus, Epigonus (Xystramia) de Buen [F.] 1959:196 [Boletim do Museu Nacional de Chile v. 27 (no. 3); ref. 697] Off Valparaíso, Chile. Holotype (unique): EBMC 10183. •Valid as Epigonus crassicaudus de Buen 1959 -- (Mayer 1974:197 [ref. 6007], Parin & Abramov 1986:189 [ref. 6006], Pequeño 1989:60 [ref. 14125], Abramov 1992:23 [ref. 21251], Nakamura in Nakamura et al. 1986:202 [ref. 14235] as crassicaudatus, Okamoto 2011:107 [ref. 31268], Okamoto & Fukui 2011:390 [ref. 31623], Okamoto et al. 2011:89 [ref. 31686], Okamoto & Aungtonya 2013:51 [ref. 33347], Okamoto 2015:125 [ref. 34091], Fricke 2017:119 [ref. 35535]). Current status: Valid as Epigonus crassicaudus de Buen 1959. Epigonidae. Distribution: Southeastern Pacific: Chile. Habitat: marine.