Crocodylomorph bone (IMAGE) University of the Witwatersrand Caption Comparison of a tibia (shin bone) from a living Nile crocodile and the tibia of the new giant crocodylomorph ancestor in this study, Wits ESI specimen BP/1/8484. Credit Bailey Weiss. Usage Restrictions No restrictions. License Public Domain 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.