subarcuata, Zygaena Storer [D. H.] 1848:71 [Proceedings of the Boston Society of Natural History v. 3 (1848-1851); ref. 18844] Harbor at Provincetown, Massachusetts, U.S.A., Cape Cod Bay, western North Atlantic. Holotype (unique): MCZ. Non-types: ?MCZ 1416-S (1), 89507-08 (1, 1). •Synonym of Sphyrna zygaena (Linnaeus 1758) -- (Gilbert 1967:31 [ref. 21135], Gilbert 1973:32 [ref. 7164], Compagno 1984:553 [ref. 6846], Castro 2011:529 [ref. 31457], Dyldin 2015:54 [ref. 34524]). Current status: Synonym of Sphyrna zygaena (Linnaeus 1758). Sphyrnidae. Habitat: brackish, marine.