pectorosus, Heptranchias Garman [S.] 1884:13 [Bulletin of the Essex Institute v. 16; ref. 1531] Argentina, Patagonia, South America. Holotype: MCZ 801-S. Type catalog: Hartel & Dingerkus 1997:xxxvii [ref. 23119]. •Valid as Notorynchus pectorosus (Garman 1884) -- (Nakaya & Shirai in Masuda et al. 1984:4 [ref. 6441], Carvalho-Filho 2023:291 [ref. 40480] with question). •Synonym of Notorynchus cepedianus (Péron 1807) -- (Compagno 1984:22 [ref. 6474], Springer 1990:4 [ref. 19315], Bianchi & Carpenter in Bianchi et al. 1993:72 [ref. 25472], Gomon et al. 1994:89 [ref. 22532], López et al. 2002:62 [ref. 26808], Castro 2011:38 [ref. 31457], Dyldin 2015:43 [ref. 34524], Compagno 2016:1151 [ref. 34544]). Current status: Synonym of Notorynchus cepedianus (Péron 1807). Hexanchidae. Habitat: marine.