Smooth hammerhead
- kingdom: Animalia
- phylum: Chordata
- class: Elasmobranchii
- order: Carcharhiniformes
- family: Sphyrnidae
- genus: Sphyrna
- species: Sphyrna zygaena
Cotonou
Littoral- Grand-Popo
Mono
Benin
Miura
Kanagawa
Japan
Portobelo
Colón
Panama
La Jolla
California- Honolulu
Hawaii- Port Aransas
Texas- Chincoteague
Virginia
United States