List of sharks

Shark is the naming term of all members of Selachimorpha suborder in the subclass Elasmobranchii, in the class Chondrichthyes.

The first shark-like chondrichthyans appeared in the oceans 400 million years ago,[1] developing into the crown group of sharks by the Early Jurassic.

[2] Listed below are extant species of shark.

Sharks are spread across 556 described and 23 undescribed species in eight orders.

Also included is a field guide to place sharks into the correct order.