piperatus, Galeus Springer [S.] & Wagner [M. H.] 1966:1, Figs. 1-2 [Contributions in Science (Los Angeles) No. 110; ref. 9068] Gulf of California, 28°55'N, 112°50.5'W, Alaska station 64A2-16, Mexico, depth 275 meters. Holotype: LACM 7552. Paratypes: LACM 8818-9 (1); USNM 200413 (1). Type catalog: Howe & Springer 1993:11 [ref. 21812]. •Valid as Galeus piperatus Springer & Wagner 1966 -- (Compagno 1984:315 [ref. 6846], Compagno & Stevens 1993:187 [ref. 20843], Compagno et al. in Fischer et al. 1995:928 [ref. 22829], Chirichigno F. & Vélez D. 1998:35 [ref. 24555], Compagno 1999:479 [ref. 25589], Espinosa Pérez et al. 2004:33 [ref. 27705], Castro 2011:328 [ref. 31457], Del Moral-Flores et al. 2016:81 [ref. 34398], Weigmann 2016:39 [ref. 34211], Fourriére et al. 2016:452 [ref. 34668], Del Moral-Flores et al. 2016:605 [ref. 34923], Ehemann et al. 2018:22 [ref. 36194], González-Acosta et al. 2021:5 [ref. 38361], Page et al. 2023:38 [ref. 40505]). Current status: Valid as Galeus piperatus Springer & Wagner 1966. Pentanchidae. Distribution: Eastern Pacific: Gulf of California, Islas Marías and Revillagigedo Archipelago, Mexico; ?Peru. Habitat: marine.