What Masen and Welles called Ceratosaurus dentisulcatus also differed in various anatomical aspects such as larger, more recurved teeth and a nasal opening set lower down at the front of the skull.

Notably, two additional species, Ceratosaurus dentisulcatus and Ceratosaurus magnicornis, were identified in the late 20th century from fragmentary remains. However, the duo’s status as distinct ...

A Ceratosaurus fossil, one of only four of its kind in existence, has sold for a staggering $30.5 million at auction. This exceptional specimen, described as “one of the finest and most complete ...

Ceratosaurus is a Jurassic classic, but remains poorly known. Even though 19th century paleontologist O.C. Marsh described and reconstructed the dinosaur based upon a mostly-complete, partly ...

A Ceratosaurus fossil that is one of only four known to exist has sold for $30.5 million at auction. The rare dinosaur fossil is “one of the finest and most complete examples of its kind ever ...

Inside sat the upper jaw and nose horn of a young Ceratosaurus, a 150-million-year-old predatory dinosaur. In July, Sotheby’s will auction off that specimen, estimating its value at $4 million ...