In North America, dinosaur fossils are found in profusion in rocks dated to the late Triassic, late Jurassic, and late Cretaceous Periods. However, much of the rest of the Mesozoic Era’s time scale contains much sparser remains. The middle part… Read More ›
Caenagnathus
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 ›
Anzu wyliei, a large oviraptorosaur dinosaur from the Hell Creek Formation
Note: This article was originally published in August 2015. It has since been heavily updated and republished in October 2026. Introduction The Hell Creek Formation of the north-central United States is famous for its skeletons of large iconic dinosaurs from… Read More ›
