sinusmexicanus, Breviraja Bigelow [H. B.] & Schroeder [W. C.] 1950:396, Pl. 5 [Bulletin of the Museum of Comparative Zoology v. 103 (no. 7); ref. 302] Gulf of Mexico, 28°34'00"N, 86°48'00"W, Albatross station 2396. Holotype: USNM 103367. Paratypes or additional material: (9) USNM 148268 (1), 148274-75 (2, 3), 148279 (2), 150260 (1). Original as Breviraja sinus-mexicanus. Although mexicanus is an adjective (feminine: mexicana), sinusmexicanus is treated as a noun by authors. •Valid as Breviraja sinusmexicanus Bigelow & Schroeder 1950 -- (McEachran & Compagno 1982:414 [ref. 2952], Boschung 1992:26 [ref. 23239]). •Valid as Gurgesiella sinusmexicanus (Bigelow & Schroeder 1950) -- (Castro-Aguirre & Espinosa Pérez 1996:32 [ref. 22793]). •Valid as Fenestraja sinusmexicanus (Bigelow & Schroeder 1950) -- (McEachran & Dunn 1998:286 [ref. 23312], McEachran & Fechhelm 1998:161 [ref. 23897], Compagno 1999:491 [ref. 25589], McEachran & Carvalho 2003:556 [ref. 26985], Nelson et al. 2004:55 [ref. 27807], Page et al. 2013:55 [ref. 32708], Del Moral-Flores et al. 2016:116 [ref. 34398], Weigmann 2016:111 [ref. 34211], Last et al. 2016:29 [ref. 34941], Weigmann et al. 2016:490 [ref. 35006], Ehemann et al. 2018:24 [ref. 36194], Ehemann et al. 2019:[6] [ref. 36861], Jones et al. 2020:295 [ref. 37610], Blanco-Parra & Niño-Torres 2022:Correction, p. 5 [ref. 38986], Castillo Domínguez et al. 2023:7 [ref. 40663], Page et al. 2023:46 [ref. 40505], Fricke et al. 2024:93 [ref. 41622]). Current status: Valid as Fenestraja sinusmexicanus (Bigelow & Schroeder 1950). Gurgesiellidae. Distribution: Western Atlantic: Florida (U.S.A.) south to Venezuela, including Gulf of Mexico, western and southern Caribbean Sea. IUCN (2020): Least Concern. Habitat: marine.