alatus, Isurus Garrick [J. A. F.] 1967:677, Figs. 7-8; Pls. 1, 3-4 [Proceedings of the United States National Museum v. 118 (no. 3537); ref. 18102] Japan. Holotype: USNM 197427. Paratypes: USNM 197429 (1), 197435 (1). Additional material: USNM 196024 (jaws and skin), 196039 (jaws). Type catalog: Howe & Springer 1993:3 [ref. 21812]. •Synonym of Isurus paucus Guitart Manday 1966 -- (Springer 1973:15 [ref. 7162], Quéro in Whitehead et al. 1984:86 [ref. 13675], Compagno 1984:244 [ref. 6474], Springer 1990:88 [ref. 19319], Compagno et al. in Fischer et al. 1995:705 [ref. 22829], Compagno 1998:1278 [ref. 23785], Ebert 2001:117 [ref. 26003], Compagno 2001:115 [ref. 26323], Compagno 2003:438 [ref. 26984], Espinosa Pérez et al. 2004:84 [ref. 27705], Compagno et al. 2005:18 [ref. 29145], Castro 2011:274 [ref. 31457], Compagno 2016:1247 [ref. 34544]). Current status: Synonym of Isurus paucus Guitart Manday 1966. Lamnidae. Habitat: marine.