Ctenosauriscus

In Depth        Ctenosauriscus is the type specimen of the Ctenosauriscidae,‭ ‬a group of sail‭ ‬backed rauisuchian archosaurs that also include others such as Arizonasaurus.‭ ‬Ctenosauriscidae however is‭ ‬only known from post cranial remains that reveal it had a large sail on its back.‭ ‬Like in related reptiles,‭ ‬this sail was supported by the enlarged neural … Read more

Xilousuchus

In Depth        Xilousuchus is one of the oldest known archosaurs and like many other primitive forms it has a sail upon its back.‭ ‬This has seen Xilousuchus placed within the Ctenosauriscidae group of sail backed rauisuchian archosaurs that are typified by the genus Ctenosauriscus,‭ ‬although Xilousuchus is actually thought to be more closely related to … Read more