
Notoungulata is an extinct order of hoofed, sometimes heavy bodied mammalian ungulates that inhabited South America during the Paleocene to Pleistocene, living from approximately 57 Ma to 11,000 years ago. ==Taxonomy== Due to the isolated nature of South America, many notoungulates evolved along convergent lines into forms that resembled mammals o...
Found on
http://en.wikipedia.org/wiki/Notoungulata

extinct group of mammals found as fossils, mostly in South America, in deposits of the later Paleocene Epoch (66.4 to 57.8 million years ago); the ...
Found on
http://www.britannica.com/eb/a-z/n/58
No exact match found.