mexicanus, Heterodontus Taylor [L. R., Jr.] & Castro-Aguirre [J. L.] 1972:125, Figs. 1-2, 5-6 [Anales de la Escuela Nacional de Ciencias Biológicas, México v. 19; ref. 7158] Cerro Colorado, Sonora, Mexico, Gulf of California, depth 20 meters. Holotype: SIO 70-90. Paratypes: LACM W52-45 (1), W58-46 (2), 6552-3 (1), 8825-3 (2); SIO 15-333 (3) (ex UCLA W50-43), 59-101 (9), 60-112 (1), 62-236 (2), 64-19 (1), 65-250 (1), 65-257 (1 + 2 egg cases), 65-305 (2), 69-315 (1), 70-90 (18); UCLA W52-45 (1), W55-95 (1), W58-46 (2). •Valid as Heterodontus mexicanus Tayloy & Castro-Aguirre 1972 -- (Compagno 1984:159 [ref. 6474], Allen & Robertson 1994:18 [ref. 22193], Bussing & López S. 1994:20 [ref. 23101], Compagno et al. in Fischer et al. 1995:695 [ref. 22829], De La Cruz Agüero et al. 1997:30 [ref. 24545], Chirichigno F. & Vélez D. 1998:34 [ref. 24555], Castro-Aguirre et al. 1999:41 [ref. 24550], Compagno 1999:476 [ref. 25589], Thomson et al. 2000:282 [ref. 25640], Compagno 2001:41 [ref. 26323], Espinosa Pérez et al. 2004:23 [ref. 27705], Nelson et al. 2004:50 [ref. 27807], Love et al. 2005:4 [ref. 37547], Castro 2011:179 [ref. 31457], Page et al. 2013:49 [ref. 32708], Del Moral-Flores et al. 2016:68 [ref. 34398], Weigmann 2016:6 [ref. 34211], Ehemann et al. 2018:20 [ref. 36194], 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]). Current status: Valid as Heterodontus mexicanus Taylor & Castro-Aguirre 1972. Heterodontidae. Distribution: Eastern Pacific: Pacific coast of Baja California Sur (Mexico) south to northern Peru, including Gulf of California (Mexico). Habitat: marine.