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  1. Mosasaurus - Wikipedia

    Mosasaurus was a common large predator in these oceans and was positioned at the top of the food chain. Paleontologists believe its diet would have included virtually any animal; it likely preyed on …

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

    Why did the Mosasaurus go extinct? mosasaur, (family Mosasauridae), extinct group of aquatic lizards that attained a high degree of adaptation to the marine environment and were distributed worldwide …

  3. Mosasaur - Wikipedia

    Mosasaurus hoffmannii was the apex predator of the Late Cretaceous oceans, reaching 11 metres (36 ft) in length and 3.8 metric tons (4.2 short tons) in body mass.

  4. What is a mosasaur? Facts about Mosasaurus and its relatives

    What is Mosasaurus? Is a mosasaur a dinosaur? Find out all about these ancient ocean predators.

  5. Mosasaurus - Extinct Animals

    Mar 26, 2022 · The Mosasaurus was a genus of small to monstrous sea-dwelling reptiles that lived in the waters of the Late Cretaceous oceans during the Maastrichtian geologic timescale.

  6. Mosasaurus | Fossil Map, Size, Classification - Prehistoric Wildlife

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

  7. Mosasaurus: Quick Facts About the Giant Marine Reptile of the Late ...

    Discover key Mosasaurus facts — size, diet, speed, habitat, teeth and more. The giant marine reptile of the Late Cretaceous explained in full.

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

    MENG: Mosasaurus, it's a marine reptile. Specifically, it's a marine lizard. MENG reappears on screen. MENG: So this animal, although it has big teeth, it's not a dinosaur. A charcoal sketch of a long …

  9. Mosasaurus: The Real-Life Sea Monster of the Cretaceous.

    Mar 7, 2026 · Mosasaurus belonged to the group known as mosasaurines, characterized by robust skulls and powerful jaws. These animals were among the most formidable predators in the oceans …

  10. 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. Mosasaurus was …