55029 Sphyrna tudes (Valenciennes, 1822) Sphyrnidae Hammerhead, bonnethead, or scoophead sharks Carcharhiniformes Elasmobranchii Smalleye hammerhead Southwest Atlantic: Venezuela to Argentina (Ref. 58839). Also Mediterranean Sea and Eastern Pacific (Ref. 7251). UBC 610121 16 N 99 W Sphyrna tudes UBC 600121 8 N 79 W Sphyrna tudes UBC 810050 8 N 57 W Sphyrna tudes AMNH 328 Sphyrna tudes AMNH 15691 1936 Sphyrna tudes AMNH 18308 1941 Sphyrna tudes AMNH 33460 1969 Sphyrna tudes MOVI 19676 1982 Sphyrna tudes MOVI 19677 1982 Sphyrna tudes AMNH 89193 1987 Sphyrna tudes MOVI 19675 1997 Sphyrna tudes