Synthetoceras is the first in our weekly series of "Extinct Mammals with the Craziest Headgear." It roamed the American plains several million years ago. Special thanks to illustrator Lucas Lima for creating the images in this series.
Moeritherium ('the beast from Lake Moeris') is a genus consisting of several extinct species. These prehistoric mammals are related to the elephant and, more distantly, the sea cow. They lived during the Eocene epoch.
This whale with legs. “Dorudon is a wonderful example of an intermediate stage in the evolution of modern whales from legged terrestrial animals, for this animal possessed a pair of hind flippers,” Csotonyi says.
Enaliarctos: is an extinct genus of mammals pinnipeds Enaliarctidae family that includes five species of pinnipeds old conocidas. Its fossils have been found in California and Oregon, and date from the Oligocene and Miocene (ca.
Art illustration - Aquatic animals - Odobenocetops: is an extinct genus of toothed whales that lived in the Pliocene. As distinctive character had a pair of fangs that projected backwards, giving the appearance of a walrus.