The scientific tourist #119 — Pliosaurus

This week’s image comes to you from the Wyoming Dinosaur Center in Thermopolis — it’s the skeleton of a Pliosaurus:

Pliosaurus

At last count, there are three recognized species of Pliosaurus (a subgroup of the Pliosaurs), although a likely fourth species was discovered in 2008. The Pliosaurus was at the top of the aquatic food chain 150 million years ago — being up to 50 feet long, with a skull larger than that of a Tyrannosaurus Rex.

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