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  1. Mosasaur - Wikipedia

    Mosasaurs (from Latin Mosa meaning the ' Meuse ', and Greek σαύρος sauros meaning 'lizard') are an extinct group of large aquatic reptiles within the family Mosasauridae that lived during the Late …

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

    mosasaur, (family Mosasauridae), extinct group of aquatic lizards that attained a high degree of adaptation to the marine environment and were distributed worldwide during the Cretaceous Period …

  3. Mosasaur: Apex Predator of the Western Interior Seaway

    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 lengths of up to 50 …

  4. Mosasaurs 101 - Education

    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 prehistoric apex predator.

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

    Feb 1, 2025 · These formidable creatures had an elongated body and strong, paddle-like limbs that helped them swim through the water with grace and speed. They primarily fed on fish and other …

  6. Mosasaur - New World Encyclopedia

    Mosasaur is any of the various extinct, marine reptiles comprising the family Mosasauridae, which were the dominant predators of the Earth's oceans during the last 25 million years of the Cretaceous period.

  7. Mosasaur Facts & Pictures: Information On The Prehistoric Marine …

    Oct 15, 2020 · Mosasaur facts, pictures & information. Discover a fearsome marine predator of the late Cretaceous Period. Mosasaurus & other mosasaurs.

  8. The Mosasaurs - Prehistoric-Wildlife

    Nov 13, 2024 · The mosasaurs are one of the most spectacular success stories of the Mesozoic.‭ ‬In a period of time spanning less than‭ ‬35‭ ‬million years,‭ ‬they went from very small semi aquatic lizards to …

  9. Mosasaurus Guide - Dinosaur.org

    These hunting behaviors underscored the mosasaur’s role as a top predator in the underwater ecosystem. Their aggressive, dynamic approach to hunting ensured their dominance over a wide …

  10. Video: Mosasaurus, Lizard King of the Ancient Ocean | AMNH

    A painting of a mosasaur chasing huge fish amongst the surf of the ocean appears. The painting becomes blurry and the American Museum of Natural History logo appears on top of it.