Suspended within the swell of a Late Cretaceous sea, a grinning Tylosaurus looms over a fleeing marine turtle known to paleontologists as Protostega. A flock of Pteranodon hang in the background – no ...
The smallest Tylosaurus mosasaur fossil ever found has been revealed in a new study in the Journal of Vertebrate Paleontology and surprisingly it lacks a trademark feature of the species. The fossil, ...
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