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 ›
Allosaurus fragilis is one of the most famous and easily-recognized dinosaurs. Practically every museum has at least one specimen, either on display or in collections, and absolutely every basic-level children’s book about dinosaurs mentions Allosaurus, usually accompanied with a picture…. Read More ›
Dromaeosaurus albertensis was a six-foot carnivore which lived in western North America during the Late Cretaceous Period. It is a distant cousin of Deinonychus and Velociraptor. Only one fragmentary skeleton was found in Alberta, Canada, although its teeth have been… Read More ›
Pachycephalosaurus wyomingensis was the last and largest of the so-called “dome-headed” dinosaurs. It measured fifteen feet long and lived 68-66 million years ago, right at the very end of the age of dinosaurs. Its fossils have been found in Wyoming… Read More ›
Here are color pencil drawings of two genera of prehistoric fish. Their fossils have been found in central Europe in rocks dating to the late Triassic Period. Both of these fish belong to a group called the pycnodonts, and it… Read More ›
Albertosaurus, named after the province of Alberta, Canada, is one of the most well-known theropod dinosaurs. It is a distant relative of T. rex which lived in western North America approximately 75 million years ago (MYA). It was also one… Read More ›
In a previous post, I talked a little bit about the “raptor” dinosaurs and how they had feathers. Here is a drawing of Archaeopteryx, long reputed to be the earliest-known bird. It lived during the late Jurassic Period in what… Read More ›
It’s no secret that Tyrannosaurus rex had a large head – it measured five feet long! However, I’ve noticed that many paleo-artists have a tendency to make T. rex’s head too big in proportion to the rest of its body…. Read More ›
Many times, paleo-artists take a feature that was found in a few species and ascribe it to entire groups. One of these trends is to portray osteoderms on the bodies of dinosaurs in their artwork. The word osteoderm literally means… Read More ›
NOTE: This article was original published on July 3, 2013. It was afterwards heavily updated and republished on December 28, 2025. If you want to find dinosaur bones, one of the best places to look for them is the Morrison… Read More ›
DINOSAURS AND BARBARIANS 