<i>Cifelliodon wahkarmoosuch</i> Video (IMAGE) University of Southern California Caption The new species <i>Cifelliodon wahkarmoosuch</i> is estimated to have weighed 2.5 pounds and probably grew to be about the size of a small hare. Credit (Keck School of Medicine of USC/Jorge A. Gonzalez) Usage Restrictions Please use credit as is. License Licensed content 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.