sinusmexicanus, Mustelus Heemstra [P. C.] 1997:918, Figs. 17, 18C, 22 [Bulletin of Marine Science v. 60 (no. 3); ref. 22976] South of Dauphin Island, Alabama, U.S.A., 29°15'N, 88°11'30"W, depth 91 meters. Holotype: USNM 208345. Paratypes: ANSP 103925 (1); BMNH 1972.10.3.2-4 (3); CAS 14978 (1); FMNH 71556 (2); GCRL 288 (1), 1183 (1); MCZ 35853 (2); CAS-SU 38654 (1), 38659-60 (1, 2); TU 16544 (1), 164146 (1); UF 27999 (1), 46036 (1), 46038 (1), 230476 (2); USNM 116443 (1), 158585 (1), 179120 (3). •Valid as Mustelus sinusmexicanus Heemstra 1997 -- (Castro-Aguirre et al. 1999:51 [ref. 24550], Compagno 1999:482 [ref. 25589], Compagno 2003:465 [ref. 26984], Kiraly et al. 2003:19 [ref. 28226], Espinosa Pérez et al. 2004:43 [ref. 27705], Nelson et al. 2004:53 [ref. 27807], McEachran & Fechhelm 2005:14 [ref. 28815], Castro 2011:382 [ref. 31457], Page et al. 2013:51 [ref. 32708], Del Moral-Flores et al. 2016:87 [ref. 34398], Weigmann 2016:50 [ref. 34211], Ehemann et al. 2018:23 [ref. 36194], Page et al. 2023:39 [ref. 40505], Fricke et al. 2024:69 [ref. 41622]). Current status: Valid as Mustelus sinusmexicanus Heemstra 1997. Triakidae: Triakinae. Distribution: Western Atlantic: Gulf of Mexico (U.S.A., Mexico) endemic. IUCN (2021): Least Concern. Habitat: marine.