Adult Saber Tooth (image) American Museum of Natural History Share Print E-Mail Caption This fossilized jaw of an adult Smilodon fatalis shows the fully erupted canine. Credit © AMNH/J. Tseng Usage Restrictions Can be used with credit language Share Print E-Mail 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.