bigelowi, Sphyrna Springer [S.] 1944:274, Fig. 1 [Journal of the Washington Academy of Sciences v. 34 (no. 8); ref. 10186] Off Santa Maria, Uruguay, southwestern Atlantic. Holotype: USNM 87682. Paratypes: MCZ 463-S (1); USNM 120751 [ex USNM 87682] (1). Type catalog: Howe & Springer 1993:4 [ref. 21812]. •Synonym of Sphyrna tudes (Valenciennes 1822) -- (Gilbert 1967:54 [ref. 21135], Gilbert 1973:33 [ref. 7164], Compagno 1984:551 [ref. 6846], Springer 1990:110 [ref. 19320], Soto 2001:84 [ref. 26637], Compagno 2003:504 [ref. 26984], Castro 2011:525 [ref. 31457]). Current status: Synonym of Sphyrna tudes (Valenciennes 1822). Sphyrnidae. Habitat: marine.