Articles – Marine

4 articles found

• Elasmosaurus

  Elasmosaurus was a long-necked, carnivorous marine reptile from the Late Cretaceous period, living around 80–77 million years ago in what is now Kansas. It was the longest member of the plesiosaurs, using its four flippers to navigate the ancient seas.

  

• Ichthyosaurus

  Ichthyosaurus was a carnivorous marine reptile from the Early Jurassic period, found in Europe. Known for its dolphin-like shape, it was a fast swimmer and gave birth to live young.

  

• Mosasaurus

  Mosasaurus was a massive carnivorous marine reptile that lived during the Late Cretaceous period (80–66 million years ago), with fossils found on nearly every continent. It was a powerful swimmer and apex predator, using its strong jaws, sharp teeth, and streamlined body to dominate the ancient seas.

  

• Ammonites

  Ammonites were marine cephalopods with coiled shells, living from the Devonian to the end of the Cretaceous period, around 66 million years ago. They were diverse and widespread, serving as important index fossils for dating rocks.