Skeleton (image) PLOS Caption This shows the partially articulated skeleton of the hyena Protictitherium crassum. Credit Domingo MS, Alberdi MT, Azanza B, Silva PG, Morales J (2013) Origin of an Assemblage Massively Dominated by Carnivorans from the Miocene of Spain. PLoS ONE 8(5): e63046. doi:10.1371/journal.pone.0063046 Usage Restrictions With credit to source 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.