hacat, Mustelus Pérez-Jiménez [J. C.], Nichizaki [O. S.] & Castillo Geniz [J. L.] 2005:836, Fig. 2 [Copeia 2005 (no. 4); ref. 28524] Northeast of Angel de la Guarda Island, Mexico, Gulf of California, 29°58.5'N, 113°37.8'W. Holotype: SIO 04-187. Paratypes: SIO 65-247-5A (1), 65-292-5 (1), 65-344-5A (3), •Synonym of Mustelus albipinnis Castro-Aguirre, Antuna-Mendiola, González-Acosta & de la Cruz-Agüero 2005 described in the same year -- (Castro 2011:364 [ref. 31457], Naylor et al. 2012:37 [ref. 32267] see remarks, Del Moral-Flores et al. 2016:85 [ref. 34398], Weigmann 2016:47 [ref. 34211]). Current status: Synonym of Mustelus albipinnis Castro-Aguirre, Antuna-Mendiola, González-Acosta & de la Cruz-Agüero 2005. Triakidae: Triakinae. Habitat: marine.