Original Thalassotitan atrox Mosasaur Jaw, 67 cm – PD-MJW-0067

🌊 A Giant Predator of the Cretaceous Seas

Thalassotitan atrox was one of the largest and most powerful mosasaurs known from the final part of the Late Cretaceous. This enormous marine reptile reached an estimated length of around 9 metres and occupied the apex-predator role in its ancient marine ecosystem.

Its broad skull, massive jaws and robust conical teeth were adapted for seizing and tearing large prey. Scientific evidence suggests that Thalassotitan hunted formidable marine animals, including plesiosaurs, sea turtles, large predatory fish and even other mosasaurs.

Mosasaurs were not dinosaurs. While dinosaurs dominated terrestrial environments, giant mosasaurs such as Thalassotitan occupied the highest levels of the marine food chain.

🦴 About This Fossil Jaw

This substantial 67 cm jaw is identified as Thalassotitan atrox and represented by PaleoDeserts as original mosasaur fossil material. Its powerful proportions and preserved teeth reflect the formidable feeding anatomy associated with this giant marine predator.

The specimen offers collectors and paleontology enthusiasts a dramatic physical connection to the final million years of the Cretaceous seas. Its impressive size and distinctive dentition make it an exceptional centrepiece for a serious fossil collection or natural-history display.