xaniurus, Catulus Gilbert [C. H.] 1892:540 [Proceedings of the United States National Museum v. 14 (no. 880); ref. 1626] Off southern California, U.S.A., 33°55'30"N, 128°28'00"W, depth 687 meters. Lectotype: USNM 46719. Paralectotypes: CAS-SU 259 (3); USNM 46718 (7), 125059 (13); ZMB 13986 [ex USNM 46718] (1). Type catalog: Böhlke 1953:8 [ref. 12291]. Lectotype selected by Springer 1979:108 [ref. 4175]. •Valid as Parmaturus xaniurus (Gilbert 1892) -- (Eschmeyer & Herald 1983:33 [ref. 9277], Compagno 1984:344 [ref. 6846], Hardy 1985:121 [ref. 8156], Compagno et al. in Fischer et al. 1995:928 [ref. 22829], Compagno 1999:480 [ref. 25589], Espinosa Pérez et al. 2004:34 [ref. 27705], Nelson et al. 2004:52 [ref. 27807], Love et al. 2005:6 [ref. 37547], Castro 2011:332 [ref. 31457], Page et al. 2013:50 [ref. 32708], Del Moral-Flores et al. 2016:81 [ref. 34398], Weigmann 2016:42 [ref. 34211], Fourriére et al. 2016:452 [ref. 34668], Del Moral-Flores et al. 2016:605 [ref. 34923], Kells et al. 2016:68 [ref. 35888], Ebert et al. 2017:55 [ref. 35618], Ehemann et al. 2018:22 [ref. 36194], Burton & Lea 2019:29 [ref. 37205], Soares et al. 2019:322 [ref. 36748], Soares & Carvalho 2020:379 [ref. 37593], González-Acosta et al. 2021:6 [ref. 38361], Love et al. 2021:16 [ref. 39279], Page et al. 2023:39 [ref. 40505], Fricke et al. 2024:66 [ref. 41622]). Current status: Valid as Parmaturus xaniurus (Gilbert 1892). Pentanchidae. Distribution: Eastern Pacific: Washington (U.S.A.) south to Pacific coast of Baja California Sur (Mexico), including Gulf of California (Mexico) and Revillagigedo Islands (Mexico). Habitat: marine.