Facts on Ancestors and Facts of Earliest Ancestors

Artiodactyla had many ancestors and some of the earliest ancestors has characteristics similar to modern day animals. The first ancestors appeared about 54 million years ago. They were small, short-legged creatures that were herbivores. 8 million years later after they were once introduced about three suborders has already been developed. These suborders where the Suina, Tylopoda, and the Ruminantia. Around the time the suborders started developing, its believed that Artiodactylas started forming their complex digestive systems which allow them to survive on lower - grade food. About 20 million years ago Artiodactyla seemed to adapt their low - nutrition diet. Artiodactyla ungulates are found on every continent except Antarctica.