Teeth and Lower Jaw of Heptodon (image) Society of Vertebrate Paleontology Caption This image shows the teeth (above and middle) and a side view of the lower jaw (below) of Heptodon, an ancient cousin to tapirs, found in early Eocene (52-million-year-old) rocks of northern British Columbia. This extinct mammal was about half the size of today's tapirs. Credit Jaelyn J. Eberle, Natalia Rybczynski, and David R. Greenwood Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.