Plesiosaursus Tooth 02 in Matrix

This Plesiosaurus Tooth is about 2 inches long in a matrix that is 3.5 inches by 3 inches. The tip of the tooth is missing.  It is from the Cretaceous Period and was found near Kem Kem, Morocco.

Plesiosaurs were a group of marine reptiles that lived during the Mesozoic Era. They were most common during the Jurassic Period. As a group they were among the largest marine predators ever to swim the oceans. Plesiosaurs had 2 pairs of paddle like flippers that they used to swim. They had broad backs and short tails.

There are 2 suborders of Plesiosaurs:
Plesiosauroidea were long necked while Pliosauroidea had short necks.