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10 kwi 2023 · Learn about the weird and wonderful marine animals that went extinct long before humans came along. From plesiosaurs to helicoprions, see fossil evidence of these extinct sea creatures that look like sea monsters.
Learn about the largest and most amazing prehistoric sea animals, from the megalodon to the spinosaurus and the helicoprion. See photos, facts, and fossils of these extinct marine reptiles and mammals that lived in the oceans millions of years ago.
7 gru 2021 · Learn about the Jurassic Park of the sea, where dinosaurs and other creatures swam in the ancient ocean. Discover the Mosasaurus, Plesiosaurus, Pliosaurus and Helicoprion, and how they hunted, lived and died.
4 sty 2024 · Explore the fascinating world of ancient aquatic animals, from dolphin-like ichthyosaurs to giant shark Megalodon. Learn about their evolution, adaptations, and extinction in this article by Victor Ball.
Learn about the diverse and dynamic marine ecosystem of the Jurassic Period, when ammonites, marine reptiles and dinosaurs roamed the Earth. Discover how fossils from the Jurassic Coast help researchers understand how climate change affects modern oceans.
20 paź 2009 · See prehistoric sea creatures pictures in this gallery from National Geographic.
17 kwi 2024 · Ichthyotitan severensis was a 80-foot-long marine reptile that may have hunted like an orca. It was one of the last and largest of the ichthyosaurs, which went extinct at the end of the Triassic period.
