Dinosaurs A to Z

Dinosaurs beginning with the letter U

On the following pages we have assembled an ever growing library of dinosaurs for your reference.  (Current article count is: 367)

If you encounter any errors or typos or if you would like to request that a specific type of Dinosaur be added to the list, please take a moment to EMAIL US and let us know.

Name Era Description
Ugrosaurus Probably junior synonym of Triceratops
Uintasaurus Junior synonym of Camarasaurus
Ultrasauros Junior synonym of Supersaurus
Ultrasaurus Discovered by H. M. Kim in 1983
Ultrasaurus Preoccupied name for what is now known as Ultrasauros,
Discovered by Jensen in 1985
Umarsaurus nomen nudum of Barsboldia
Unicerosaurus nomen nudum of what is actually a fish

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