Cedrorestes, which means “Cedar Mountain dweller”, was an ornithopod dinosaur which lived in Utah during the early Cretaceous Period. The fossils of this animal were discovered in eastern Utah in 2001. These were fragmentary remains consisting of pieces of ribs,… Read More ›

iguanodont
Hippodraco
Hippodraco, meaning “horse dragon” in a mixture of ancient Greek and Latin, was an ornithopod dinosaur which lived in western North America during the early Cretaceous Period. The fossils were found by Andrew R. C. Milner in 2004 in east-central… Read More ›
The Sail-Backed Dinosaur from the Cedar Mountain Formation
Greetings. A few days ago, I learned of a remarkable discovery. In east-central Utah within the rock layers of the Cedar Mountain Formation, dated to the early Cretaceous Period about 135 million years ago (the same time and place where… Read More ›
Camptosaurus
This is Camptosaurus dispar, a 20 foot long plant-eating dinosaur from the Morrison Formation of western North America during the late Jurassic Period. In most paleo-art, it seems that the only purpose in life for this unfortunate animal is to… Read More ›
Dryosaurus
NOTE: This article was originally posted on April 8, 2020. It was substantially updated on December 14, 2022. This is Dryosaurus, a 10 foot long plant-eating ornithopod dinosaur from the Late Jurassic Morrison Formation of western North America, and possibly… Read More ›
The Changing Face of Camptosaurus
Camptosaurus dispar was a type of ornithopod ornithischian dinosaur which lived in western North America during the late Jurassic Period. It measured 20 feet long and possibly weighed a ton. Camptosaurus was the largest ornithopod found within the Morrison Formation…. Read More ›