The Morrison Formation of western North America is my favorite geological / paleontological formation to study. Within these rock layers, which are dated to the late Jurassic Period from approximately 155 to 145 million years ago, are found the fossils… Read More ›
ornithopod
Stegosaurus
Introduction There are over a thousand species of dinosaurs that are known to science today. Kids, it seems, are more disposed to remember these names than adults, and I have encountered several examples of children trying to impress people by… 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
Hello. Here are a pair of images showing Dryosaurus, a 10 foot long ornithopod from the Late Jurassic of North America, and possibly also Europe and Africa as well. The images were made on printer paper with No. 2 pencil,… Read More ›
Othnielia
Othnielia rex was a small ornithopod dinosaur found in the Morrison Formation, a famous geological formation spanning a large chunk of the western United States which is dated to the late Jurassic Period, 155-145 million years ago. It is here… Read More ›
Edmontosaurus had a comb on its head?
Yep, that’s what I heard. I just found out about five minutes ago, right after I posted my lastest post – a color drawing of Edmontosaurus – that my lovely drawing which I worked so hard on is inaccurate. The first… Read More ›
Edmontosaurus
Edmontosaurus was a type of hadrosaur, commonly called a “duck-billed dinosaur” which lived in western North America at the end of the Cretaceous Period, dating from approximately 75-65.5 MYA – that’s right, another Hell Creek dinosaur! Currently, there are two… 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 ›
