francisci, Cestracion Girard [C. F.] 1855:196 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 7 (no. 6); ref. 18001] Monterey Bay, California, U.S.A. Syntypes and/or Girard specimens: ?USNM 933 (2). •Valid as Gyropleurodus francisci (Girard 1855) -- (Hiyama in Kumada 1937:15 [ref. 39147]). •Valid as Heterodontus francisci (Girard 1855) -- (Eschmeyer & Herald 1983:24 [ref. 9277], Compagno 1984:156 [ref. 6474], Bussing & López S. 1994:20 [ref. 23101], Compagno et al. in Fischer et al. 1995:694 [ref. 22829], De La Cruz Agüero et al. 1997:29 [ref. 24545], Compagno 1999:475 [ref. 25589], Thomson et al. 2000:282 [ref. 25640], Compagno 2001:36 [ref. 26323], Espinosa Pérez et al. 2004:22 [ref. 27705] dated 1854, Nelson et al. 2004:50 [ref. 27807], Love et al. 2005:4 [ref. 37547], Castro 2011:175 [ref. 31457], Page et al. 2013:49 [ref. 32708], Del Moral-Flores et al. 2016:68 [ref. 34398], Weigmann 2016:6 [ref. 34211], Kells et al. 2016:62 [ref. 35888], Ebert et al. 2017:52 [ref. 35618], Ehemann et al. 2018:20 [ref. 36194], Burton & Lea 2019:27 [ref. 37205], Calle-Morán et al. 2020:240 [ref. 37881], González-Acosta et al. 2021:5 [ref. 38361], Love et al. 2021:13 [ref. 39279], Page et al. 2023:37 [ref. 40505], White et al. 2023:23 [ref. 40295], Fricke et al. 2024:59 [ref. 41622]). Current status: Valid as Heterodontus francisci (Girard 1855). Heterodontidae. Distribution: Eastern Pacific: northern California (U.S.A.) south to Pacific coast of southern Baja California Sur (Mexico), including Gulf of California (Mexico); Colombia, Ecuador and Peru. Habitat: marine.