During the Mesozoic Era, dinosaurs ruled the land, but their flying cousins the pterosaurs ruled the sky. They first appeared during the late Triassic Period about 210 million years ago, and persisted until the reign of the reptiles came to… Read More ›
pterosaur
Kepodactylus
Kepodactylus was a species of pterosaur which lived in western North America during the late Jurassic Period 150 million years ago. In 1992, a nearly-complete Stegosaurus skeleton was discovered in Garden Park, Colorado within the rocks of the Morrison Formation…. Read More ›
Serradraco
Serradraco, meaning “saw dragon” in Latin in reference to the saw-like appearance of its jaws, was a pterosaur which lived in England during the early Cretaceous Period approximately 135-132 million years ago. Fossil remains were discovered during the 1800s in… Read More ›
Dimorphodon
Dimorphodon was a species of pterosaur that lived during the early Jurassic Period about 195-190 million years ago. It measured over 3 feet long from its nose to the end of its long tail (which may or may not have… Read More ›
List of Articles about the Morrison Formation
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 ›
Harpactognathus
Harpactognathus was a rhamphorhynchid pterosaur which lived in the Morrison Formation of western North America during the late Jurassic Period. It was one of the largest pterosaurs that lived in North America during that time. Although it is only known… 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 ›
DINOSAURS AND BARBARIANS 