There are:
Winghead shark (Eusphyra blochii), Scalloped bonnethead (Sphyrna corona), Carolina hammerhead (Sphyrna gilberti), Scalloped hammerhead (Sphyrna lewini), Scoophead (Sphyrna media), Great hammerhead (Sphyrna mokarran), Whitefin hammerhead (Sphyrna couardi), Bonnethead (Sphyrna tiburo), Smalleye hammerhead (Sphyrna tudes), and Smooth hammerhead (Sphyrna zygaena).
