Clidastes is an extinct genus of marine lizard belonging to the mosasaur family. It is classified as part of the Mosasaurinae subfamily, alongside genera like Mosasaurus and Prognathodon. Clidastes is
Restoration of C. propython.
Restoration of three C. propython
Fossil cast of a Clidastes propython skeleton next to some ammonite models at the North American Museum of Ancient Life.
Specimen formerly assigned to C. velox
Dallasaurus is a basal mosasauroid from the Upper Cretaceous of North America. Along with Russellosaurus, Dallasaurus is one of the two oldest mosasauroid taxa currently known from North America. It i