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  1. Deinosuchus - Wikipedia

    Although Deinosuchus was far larger than any modern crocodile or alligator, with the largest adults measuring 10.6 meters (35 ft) in total length, its overall appearance was fairly similar to …

  2. The Ancient 'Terror Crocodiles' of North America Weren't Alligators ...

    Apr 24, 2025 · The research team analyzed DNA and fossils from 128 living and extinct crocodilians—the group that includes crocodiles, alligators and caimans—to paint a picture of …

  3. Prehistoric Alligators: How Long Have They Been Around?

    Jun 8, 2025 · Have you ever wondered about the ancestors of alligators? Discover the prehistoric alligators here!

  4. An ancient ‘terror crocodile’ became a dinosaur-eating giant ...

    Apr 23, 2025 · Despite its scientific name, which translates as “terror crocodile,” Deinosuchus has commonly been called a “greater alligator,” and prior assessments of its evolutionary …

  5. What We Know About Deinosuchus, the King of the Crocodilians

    Nov 25, 2024 · Deinosuchus would have killed and also scavenged any number of beasts, but like crocodiles today, they would be unlikely to attempt to take down an animal that was a whole …

  6. A reptilian anachronism: American alligator older than we thought

    New University of Florida research shows these prehistoric-looking creatures have remained virtually untouched by major evolutionary change for at least 8 million years, and may be up to …

  7. Deinosuchus | Western Australian Museum

    Deinosuchus riograndenis, an extinct giant relative of alligators, was the undisputed top predator in the rivers and estuaries along the east coast of southern Laramidia — a huge island that …

  8. When Did Alligators Evolve? The History of a Living Fossil

    Aug 24, 2025 · Explore the deep evolutionary history of alligators, uncovering when these ancient ‘living fossils’ first emerged and how they endured through millennia.

  9. Are alligators and crocodiles prehistoric? - The Institute for ...

    Dec 11, 2025 · Therefore, while are alligators and crocodiles prehistoric in the sense of being frozen in time, the answer is no. They are continuously evolving, though slowly.

  10. Deinosuchus schwimmeri: New Species of Ancient Giant Alligator ...

    Based on its enormous skull, Deinosuchus looked like neither an alligator nor a crocodile. Its snout was long and broad, but inflated at the front around the nose in a way not seen in any …