californicus, Mustelus Gill [T. N.] 1864:148 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 16 (no. 3); ref. 1697] San Francisco, California, U.S.A. Holotype (unique): whereabouts unknown. •Valid as Mustelus californicus Gill 1864 -- (Eschmeyer & Herald 1983:34 [ref. 9277], Compagno 1984:403 [ref. 6846], Compagno et al. in Fischer et al. 1995:735 [ref. 22829], Chirichigno F. & Vélez D. 1998:48 [ref. 24555], Castro-Aguirre et al. 1999:50 [ref. 24550], Compagno 1999:482 [ref. 25589], Espinosa Pérez et al. 2004:39 [ref. 27705], Nelson et al. 2004:52 [ref. 27807], Love et al. 2005:7 [ref. 37547], Pérez Jiménez et al. 2005:836 [ref. 28524], Castro-Aguirre et al. 2006:124 [ref. 28590], White & Last 2006:245 [ref. 29422], Castro 2011:366 [ref. 31457], Page et al. 2013:51 [ref. 32708], Del Moral-Flores et al. 2016:85 [ref. 34398], Weigmann 2016:47 [ref. 34211], Kells et al. 2016:68 [ref. 35888], Ebert et al. 2017:55 [ref. 35618], Ehemann et al. 2018:23 [ref. 36194], Burton & Lea 2019:29 [ref. 37205], González-Acosta et al. 2021:6 [ref. 38361], Love et al. 2021:17 [ref. 39279], White et al. 2021:18 [ref. 38267], Chabot & Buth 2022:65 [ref. 39108], Page et al. 2023:39 [ref. 40505], Fricke et al. 2024:67 [ref. 41622]). Current status: Valid as Mustelus californicus Gill 1864. Triakidae: Triakinae. Distribution: Eastern Pacific: northern California (U.S.A.) south to Pacific coast of Baja California Sur (Mexico), including Guadalupe Island (Mexico) and Gulf of California (Mexico) Habitat: marine.