Paw Skeleton of a Mole (IMAGE) University of Zurich Caption This is a computer-tomographical representation of the paw skeleton of a mole (Talpa occidentalis); the sickle-shaped extra "thumb" is clearly visible. Credit UZH Usage Restrictions None 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.