Plesiosaur Tooth in Matrix lunar An extinct genus of redlichiid

An extinct genus of redlichiid trilobite

Such agates

Fossil trackways and bonebeds suggest they lived in herds

The venation is simple

Even the tail (pygidium) is fringed with spines

Plesiosaur Tooth in Matrix lunar An extinct genus of redlichiidZarafasaura 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