Ornitholestes, “the bird thief”, was a small meat-eating dinosaur which lived in western North America during the late Jurassic Period about 154 million years ago. Since its discovery in the year 1900, Ornitholestes has come to be regarded as the… Read More ›
North America
Caypullisaurus
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 ›
Shonisaurus
Shonisaurus was an absolutely gargantuan ichthyosaur which swam off North America’s Pacific coast during the middle of the Triassic Period 227 million years ago. Shonisaurus was one of the largest ichthyosaurs to have existed, measuring 45 feet long. Only a… Read More ›
Kayentatherium
Kayentatherium, “the beast from the Kayenta Formation”, was a cynodont (one of a group of mammal ancestors which are sometimes called “mammal-like reptiles”) which lived in Arizona during the early Jurassic Period approximately 185-180 million years ago. Kanyentatherium was big,… Read More ›
Announcement! New Cloverly Formation merch is available on my Redbubble page
Do you love Deinonychus? Who doesn’t? Well, weirdos, I suppose, but anyway, I’ve just uploaded a new paleo logo to my Redbubble art merch page representing the Cloverly Formation of south-central Montana and north-central Wyoming, which lasted from 140-98 million… Read More ›
Announcement: New Dilophosaurus merch on my Redbubble page
Is Dilophosaurus your favorite dinosaur? Then you might be interested to hear that I’ve just uploaded A LOT of Dilophosaurus merch onto my Redbubble art page. Here you can buy clothes, bags, coffee mugs, magnets, stickers and lots of other… Read More ›
Scutellosaurus
Scutellosaurus, “the little shield lizard”, was a small 4.4 foot long armored dinosaur which lived in Arizona during the early Jurassic Period approximately 185 million years ago. At present, Scutellosaurus is the most common dinosaur known from the Kayenta Formation…. Read More ›
Scelidosaurus
Scelidosaurus was a 12 foot long armored dinosaur which lived in Europe (and also possibly in North America) during the early Jurassic Period 200-195 million years ago. Scelidosaurus is the most well-known European early Jurassic dinosaur because numerous specimens have… Read More ›
Eocaecilia
Eocaecilia was a 6 inch long worm-like amphibian which lived in Arizona during the early Jurassic Period 190 million years ago. An astounding forty partial specimens have been uncovered of this animal, two of which are nearly-complete skulls, while the… Read More ›
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 ›