Mosasaurus ... Mosasaurus (/ ˌmoʊzəˈsɔːrəs /; "lizard of the Meuse River ") is the type genus (defining example) of the Mosasauridae, an extinct group of aquatic squamate reptiles. It lived from about 82 …

Many mosasaurs of the Late Cretaceous were large. The longest mosasaurs, based on a specimen of Mosasaurus hoffmanni, are estimated to have been 17 meters (about 56 feet) in length, but the most …

Aug 6, 2021 · Mosasaurus What Is A Mosasaurus? Mosasaurus is an extinct aquatic reptile that lived at the very end of the Cretaceous Period, from around 82.7 to 66 million years ago. Mosasaurus was …

Nov 10, 2020 · What is a mosasaur? Mosasaurs are a group of marine lizards that would have lived in the Badlands area from about 75-69 million years ago. When they were alive, mosasaurs could …

Feb 1, 2025 · Mosasaurus was one of the most fascinating marine reptiles of the Late Cretaceous period. This powerful predator ruled the ancient oceans, boasting an impressive size that could reach …

Mosasaurs were Earth's last great marine reptiles. Learn about the surprising places they'd hunt, how some species dwarfed even the Tyrannosaurus rex, and how key physical adaptations allowed these …

5 days ago · Giant ancient sea reptiles, called mosasaurs, lived in rivers as well as seas, according to a new study. The research was based on the fossil of a tooth that was previously found in the United ...

Feb 25, 2025 · Mosasaurus is one of the most fascinating creatures from the seas of the Late Cretaceous period. This massive marine reptile, which reached lengths of over 56 feet, was a …

5 days ago · Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater rivers alongside dinosaurs and crocodiles. A massive tooth …

Mosasaurus Hoffmannii, commonly known as Mosasaurus, is an extinct species of amphibious reptile that adapted well to the ocean environment and was widespread throughout the Cretaceous Period, …