diplana, Sphyrna Springer [S.] 1941:46, Figs. 1-2 [Proceedings of the Florida Academy of Sciences v. 5; ref. 10183] Off Englewood, Florida, U.S.A., Gulf of Mexico, western Atlantic. Holotype: USNM 108451. Paratypes: USNM 108452 (1, head only), 110296-97 (2, jaws only). Type catalog: Howe & Springer 1993:6 [ref. 21812]. •Synonym of Sphyrna lewini (Griffith & Smith 1834) -- (Gilbert 1967:38 [ref. 21135], Gilbert 1973:33 [ref. 7164], Dor 1984:11 [ref. 29757], Compagno 1984:545 [ref. 6846], Springer 1990:109 [ref. 19320], Gomon et al. 1994:139 [ref. 22532], Compagno et al. in Fischer et al. 1995:718 [ref. 22829], Compagno 1998:1364 [ref. 23785], Castro-Aguirre et al. 1999:54 [ref. 24550], Soto 2001:85 [ref. 26637], Compagno 2003:500 [ref. 26984], Espinosa Pérez et al. 2004:70 [ref. 27705], Bonfil & Abdallah 2004:36 [ref. 27735], Castro 2011:509 [ref. 31457], Quattro et al. 2013:176 [ref. 32875], Psomadakis et al. 2015:87 [ref. 34104], Compagno 2016:1331 [ref. 34544]). Current status: Synonym of Sphyrna lewini (Griffith & Smith 1834). Sphyrnidae. Habitat: freshwater, brackish, marine.