Top Image: A fringed Tylosaurus as envisioned by Charles R. Knight. From Osborn 1899. References: Everhart, M. Origin of the Dorsal Fringe on Mosasaurs. Accessed 12/2/2011 ...

Tylosaurus had a bone protrusion on its head which is believed was used for ramming and disabling its prey. They could grow up to 50 feet (15 metres) in length and their large head made up around ...

Scientists have discovered an ancient baby sea monster in Kansas, US. The newborn Tylosaurus fossil is approximately 85 million years old, and its discovery was aided by University of Alberta ...

An adult Tylosaurus could reach a length of 13 metres and had powerful jaws and large teeth, a sea monster that would give the most hardened sailor a bad case of thalassophobia (a fear of sea travel).

A–B, FHSM VP-14845, Tylosaurus sp. in A, dorsal and B, ventral views. C, TMM 40092-27, Tylosaurinae, in ventral view. Broken lines in A and B indicate reconstructed outlines of the element.

We here report on the smallest-known, neonate-sized Tylosaurus specimen, FHSM VP-14845, recovered from the lower Santonian portion of the Niobrara Chalk exposed in Kansas, U.S.A. Lacking any ...

The remnants actually belonged to a newborn baby Tylosaurus, which belonged to a family of toothy, flippered marine reptiles called mosasaurs that lived in the world's oceans during the late ...

He correctly identified them as rings of cartilage from the animal’s trachea, but in his 1899 description of the Tylosaurus specimen Osborn – citing Williston’s hypothesis mosasaurs had a ...

Top Image: A fringed Tylosaurus as envisioned by Charles R. Knight. From Osborn 1899. References: Everhart, M. Origin of the Dorsal Fringe on Mosasaurs. Accessed 12/2/2011 ...