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Prehistoric marine reptiles were a diverse group of creatures. Learn how these five adapted to live, move and feed in an aquatic environment.
Dive into the depths of prehistoric oceans with our comprehensive guide on ancient marine reptiles. Featuring names and images, explore the world of Ichthyosaurs, Plesiosaurs, and more.
Spanning a history of over 150 million years, these creatures played a prominent role in the prehistoric marine ecosystem.
Different lineages of reptiles invaded marine environments in the Mesozoic, giving rise to at least a dozen groups. The four major groups are Sauropterygia, Ichthyopterygia, Mosasauridae, and Chelonioidea (sea turtles).
The ancient marine reptiles and modern marine mammals don’t just look like each other, but they independently evolved similarities that went more than skin deep.
A massive jawbone found by a father-daughter fossil-collecting duo on a beach in Somerset along the English coast belonged to a newfound species that’s likely the largest known marine reptile to...
They recognized the fossils, uncovered along the River Severn, were from the jawbone of an ichthyosaur—a prehistoric marine reptile that resembles an enormous version of a modern-day...
Researchers identified a prehistoric marine reptile found in 1935 as a thalattosaur, not a choristodere, using CT scans and a new specimen. Reconstruction of Pachystropheus rhaeticus, figured alongside a hybodont shark feeding on a Birgeria fish. Credit: James Ormiston.
The ocean would have been a scary place 200 million years ago. There were plenty of apex predators like the Shonisaurus, a 30-ton marine reptile with a beak like a dolphin. And Dakosaurus, a one-ton prehistoric crocodile that made both fish and pterosaurs fear for their lives.
The death bed of dozens of 50-foot-long ichthyosaurs, prehistoric marine reptiles that resembled chunky dolphins, had long puzzled paleontologists.