THROUGH the discoveries in the Oligocene 1 of the Fayûm Mœritherium and Palæomastodon have become famous as two of the earliest, and more or less direct, stages in the ancestry of the elephants. In ...
A progressive “march” of elephant evolution as portrayed in Ingersoll’s The Life of Animals. From left to right Moeritherium, Palaeomastodon, Gomphotherium (“Trilophodon“), Mammut americanum (American ...