An illustration of the anomalo-caridid, Aegirocassis benmou-lae, a giant filter feeder that fed on plankton & lived in the Early Ordovician about 480 Ma ago. The animal measured about in length, & is one of the largest arthropods that ever lived
The Burgess Shale in British Columbia contains very old million years ago), very rare fossils of very early organisms. This is Haplophrentis. The function of the pair of short spines is unknown but the creature was tiny, just a few centimeters in le
Dracorex a pachycephalosaur dinosaur of North America . An artistic impression, a "dragon-like" REAL dinosaur. Remember the word dinosaur was not invented until 1842 by English paleontologist Richard Owen-- before that these animals were called dragons.