A male Tylosaurus cruises around the oceans of the Western Interior Seaway, 82 million years ago. A giant mosasaur that was once promiment across the Western Interior Seaway that divided North America into two during the Late Cretaceous. Reaching to sizes up to 12 to 15 meters, these giant mosasaurines were relatives to modern monitor lizards and snakes, as they're not related to dinosaurs despite the fact they coexisted during the dinosaurs albeit in the deadly oceans that they ruled in. Their streamlined body, shark like fluke, and longer skull allowed them to become the apex predators of the Cretaceous oceans, feasting on bony fish, sharks, turtles, pleisosaurs, and other mosasaurs, just to name a few for their diet. Tylosaurus was also territorial and most adult members did not get along as some members died from bad injuries caused by older individuals, just like crocodiles today. Tylosaurus was also one of the last mosasaurines to live in the Western Interior Seaway, as they're went extinct around the Creatceous-Paleogene extinction event about 66 million years ago. (Credit goes to Baols for the body base for the Tylosaurus)
Tylosaurus.
(Redraw from January 2024)
A huge mosasaur that once dominated the Western Interior Seaway, making them the apex predators of the Cretaceous oceans.
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