cephalus, Catulus Gilbert [C. H.] 1892:541 [Proceedings of the United States National Museum v. 14 (no. 880); ref. 1626] Near Revilla Gigedos, 18°17.5'N, 114°43.3'W, Albatross station 2992, depth 460 fathoms; Gulf of California, station 3007, depth 362 fathoms. Lectotype: USNM 125094. Paralectotypes: CAS-SU 293 (1), USNM 206019 [ex USNM 125094] (3). Type catalog: Böhlke 1953:8 [ref. 12291]. Lectotype established by Howe & Springer 1993:6 [ref. 21812], not by Springer 1979 as subsequent use of "holotype" since the original description specifically mentions more than one specimen. •Valid as Cephalurus cephalus (Gilbert 1892) -- (Compagno 1984:305 [ref. 6846], Pequeño 1989:13 [ref. 14125], Compagno et al. in Fischer et al. 1995:928 [ref. 22829], Chirichigno F. & Vélez D. 1998:35 [ref. 24555], Compagno 1999:479 [ref. 25589], Espinosa Pérez et al. 2004:32 [ref. 27705], Nelson et al. 2004:52 [ref. 27807], Love et al. 2005:6 [ref. 37547], Castro 2011:321 [ref. 31457], Page et al. 2013:50 [ref. 32708], Del Moral-Flores et al. 2016:80 [ref. 34398], Weigmann 2016:38 [ref. 34211], Fourriére et al. 2016:452 [ref. 34668], Del Moral-Flores et al. 2016:605 [ref. 34923], Ehemann et al. 2018:22 [ref. 36194], Soares & Carvalho 2020:379 [ref. 37593], González-Acosta et al. 2021:5 [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 Cephalurus cephalus (Gilbert 1892). Pentanchidae. Distribution: Eastern Pacific: Pacific coast of southern Baja California (Mexico), southern Gulf of California (Mexico) and Revillagigedo Islands (Mexico); Panama south to Chile. Habitat: marine.