MICHAEL LONG / SCIENCE PHOTO LIBRARY MICHAEL LONG / SCIENCE PHOTO LIBRARY
Protypotherium, illustration. This extinct prehistoric mammal is an example of a notoungulate, a type of ungulate that evolved in South America. Protypotherium lived from 23 to 7 million years ago, during the Miocene. It reached a body length of around 40 centimetres, and is thought to have been similar to a rabbit. Its fossils have been found in South America.
Model release not required. Property release not required.