Plesiosaur Tooth in Matrix - 1.814" card (Source: Smilodon californicus and Canis

(Source:  Smilodon californicus and Canis dirus fight over a Mammuthus columbi carcass in the La Brea Tar Pits

It dates to the Cambrian Period

to the K-Pg extinction event that wiped out the dinosaurs

746" piece of polished Chrysocolla Chalcedony

Plesiosaur Tooth in Matrix - 1.814" card (Source: Smilodon californicus and CanisFeaturing a long, snake like neck and a stout body equipped with slender paddles, Plesiosaurs are one of the most readily identifiable of all ancient marine reptiles. This specimen is a Plesiosaur tooth embedded in matrix. It was recovered from deposits in Morocco and dates to the Late Cretaceous Period. The exposed tooth measures 1. 814". The specimen ships in a sturdy shipping carton. A small information card is also enclosed that also serves as the