fronto, Carcharias Jordan [D. S.] & Gilbert [C. H.] 1882:102 [Proceedings of the United States National Museum v. 5 (no. 268); ref. 10603] Mazatlán, Sinaloa, western Mexico. Syntypes: USNM 28167 (1), USNM uncat. (1, jaws only). Type catalog: Howe & Springer 1993:7 [ref. 21812] wrongly with a holotype. •Synonym of Negaprion brevirostris (Poey 1868) -- (Compagno 1984:519 [ref. 6846], Allen & Robertson 1994:23 [ref. 22193], Castro-Aguirre et al. 1999:46 [ref. 24550], Espinosa Pérez et al. 2004:63 [ref. 27705], Castro 2011:481 [ref. 31457], Ehemann et al. 2018:32 [ref. 36194]). •Valid as Negaprion fronto (Jordan & Gilbert 1882) -- (Del Moral-Flores et al. 2016:95 [ref. 34398], Calle-Morán et al. 2020:243 [ref. 37881], Page et al. 2023:40 [ref. 40505]). Current status: Valid as Negaprion fronto (Jordan & Gilbert 1882). Carcharhinidae. Distribution: Eastern Pacific: Pacific coast of Baja California Sur and Gulf of California (Mexico) south to Peru and Ecuador. Habitat: brackish, marine.