Mosasaurus (/ ˌmoʊzəˈsɔːrəs /; "lizard of the Meuse River ") is the type genus (defining example) of the mosasaurs, an extinct group of aquatic squamate reptiles. It lived from about 82 to 66 …

Mosasaur, an extinct group of predatory marine lizards that competed with other marine reptiles for food during the Cretaceous Period (145.5 million to 66 million years ago).

Nov 10, 2020 · 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 reach …

Aug 6, 2021 · 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 not a dinosaur; like other …

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 …

Oct 19, 2023 · Learn about the surprising places they'd hunt, how some species dwarfed even the Tyrannosaurus rex, and how key physical adaptations allowed these reptiles to become a …

Aug 8, 2025 · Mosasaurus means “Meuse River Lizard,” named after the Meuse River in the Netherlands where its first fossils were discovered.

The Mosasaurus, one of the ocean’s most formidable predators, reached lengths of up to 50 feet, making it a giant among aquatic creatures. This impressive size and length weren’t just for …

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 …

May 27, 2024 · It’s a genus of massive, aquatic, carnivorous lizards that lived during the Late Cretaceous Era from about 70-66 million years ago. The name Mosasaurus means “lizard of …