Plesiosaur Tooth in Matrix lunar Fossil trackways and bonebeds suggest

Fossil trackways and bonebeds suggest they lived in herds

shallow marine environments

The venation is simple

Such agates

An extinct genus of redlichiid trilobite

Plesiosaur Tooth in Matrix lunar Fossil trackways and bonebeds suggestZarafasaura oceanis Late Cretaceous (~70 million years ago) Phosphate Deposits Oulad Abdoun Basin, Morocco Tooth approx. size: 1. 5" Matrix approx. size: 2. 75" x 2. 5" x 1. 25" Plesiosaurs were marine reptiles that appeared in the Triassic and died out along with the dinosaurs at the end of the Cretaceous period. They had a broad flat body and a short tail. Their limbs were four powerful flippers that made a flying movement to propel the plesiosaur