Hammerhead shark
The hammerhead sharks are a group of sharks that form the family Sphyrnidae, named for the unusual and distinctive form of their heads, which are flattened and laterally extended into a cephalofoil. Wikipedia
Scientific name: Sphyrnidae
Class: Chondrichthyes
Domain: Eukaryota
Family: Sphyrnidae; T. N. Gill, 1872
Kingdom: Animalia
Order: Carcharhiniformes
Lower classifications