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  1. Mosasaurus - Wikipedia

    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 …

  2. Mosasaur | Size, Diet, Facts, Time Period & Extinction ...

    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 …

  3. Mosasaur: Apex Predator of the Western Interior Seaway

    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, …

  4. Mosasaurus Facts & Pictures: Late Cretaceous Marine Predator

    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. …

  5. Mosasaurus Guide - Dinosaur.org

    Explore the fascinating world of the Mosasaurus with this comprehensive guide filled with illustrations, facts, and more from the late Cretaceous period.

  6. Mosasaurus | Fossil Map, Size, Classification

    Aug 8, 2025 · Discover Mosasaurus with our interactive fossil map and geographical timeline chart.

  7. Mosasaurus: Overview, Size, Habitat, & Other Fascinating Facts

    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 …