hybodont
fossil fish
Also known as: Hybodontii
Quick Summary
Hybodonts were a group of extinct sharks that existed from the Triassic to the Late Cretaceous periods. The genus Hybodus is a well-known example. These sharks had distinctive teeth, with sharp cusps at the front of their mouths for seizing prey and more rounded cusps further back for crushing mollusks. They also possessed a unique fin structure and a spine projecting from the back of their head. Hybodonts represent an intermediate stage in shark evolution and are classified within the order Hybodontii.12
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