such as the expansion of savannas during the Miocene

Deinotherium giganteum lived between the middle Miocene and the Pliocene

The short but robust front legs would have been useful for stabilizing the body during the capture of large prey

housed organs adapted to marine life

Moeritherium lyonsi Xiphactinus such as the expansion ofMoeritherium lyonsi was a primitive mammal that lived during the Middle Eocene, approximately 37 to 35 million years ago, in what is now North Africa. Considered one of the earliest ancestors of modern elephants, Moeritherium did not look much like them in appearance. Its body was stocky and low, with short, strong legs, adapted to a semi aquatic lifestyle similar to that of modern hippopotamuses. Its size was relatively small compared to modern