reptile

Pachycephalosaurus

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 ›

Albertosaurus

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 ›

Dermodactylus

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 ›