Caypullisaurus was a 20 foot long ichthyosaur which lived off the coast of Argentina (and possibly elsewhere) during the late Jurassic and early Cretaceous Periods 150-140 million years ago. In 1989, the front half of a skeleton of a medium-sized… Read More ›
Canada
Protosuchus
Protosuchus richardsoni was a 3 foot long primitive crocodylomorph which lived in North America during the early Jurassic Period 200-195 million years ago. Fossils of it have been found within the upper part of the Moenave Formation in northern Arizona…. Read More ›
Prognathodon
Prognathodon was a multi-speciate genus of mosasaur which lived around North America, Europe, and Africa during the Campanian and Maastrichtian Stages of the late Cretaceous Period approximately 80-66 million years ago. Prognathodon is known for possessing massively-built jaws and robust… Read More ›
Didelphodon
Didelphodon, known largely from its appearance as a background character in the final episode of the 1999 BBC series Walking with Dinosaurs, was a large prehistoric mammal which lived in North America during the late Cretaceous Period 73-66 million years… Read More ›
Champsosaurus: The Croc-Lizard of the Cretaceous
When most people hear the words “aquatic reptile”, they usually think of two things: turtles and crocodilians. Some clever people might mention sea snakes, and others might mention marine iguanas. Those who are keen on impressing you may bring up… Read More ›
Evidence of Therizinosaurs in North America during the Late Cretaceous Period
Introduction For many years, paleontologists have known about the presence of therizinosaurs (formerly classified as segnosaurs) in Asia, especially within what’s now Mongolia and China. However, Asia and North America were linked during a considerable portion of the Cretaceous Period,… Read More ›
Revising my Troodon drawing
Hello everyone. Time to kick off the new year with some much belated paleo-art. One of the projects on my to-do list was to re-do my old and very out-dated 2012 drawing of Troodon. Seven years ago, this drawing was… Read More ›
Caenagnathus, or Chirostenotes, or…um…something…
During the early 1920s, Charles W. Gilmore, a paleontologist from the Smithsonian Institute in Washington, DC, was prospecting for fossils in Alberta, Canada. While on this trip, he would discover several new species of dinosaurs, including a strange creature known… Read More ›
Habrosaurus, a Late Cretaceous siren amphibian from the Hell Creek Formation
The Hell Creek Formation of the north-central United States is famous for its dinosaur fossils, notably those of Tyrannosaurus, Triceratops, and others whose names are well-known to children and adults. However, this fossilized environment was home to more than just dinosaurs. The… Read More ›
Ornithomimus, Before and After
Hello all. I’ve recently finished an important writing project that I’ve been laboring upon for months. Now that it’s finished, I have a little breathing room to do art, and this is what I’ve done so far. I decided to… Read More ›