The Texas fossils were noticeably different from similar specimens found in Kansas. They were larger, had serrated teeth and ...

Researchers at SMU and the Perot Museum have identified a new species of mosasaur, a 'T. rex of the sea' that lived alongside dinosaurs millions of years ago.

Researchers describe Tylosaurus rex from more than a dozen previously known fossils and update dataset crucial for studying mosasaur evolution “Everything is bigger in Texas and that includes the ...