Open links in new tab
  1.  
  2. Plesiosaur - Wikipedia

    • In the beginning of the nineteenth century, scientists realised how distinctive their build was and they were named as a separate order in 1835. The first plesiosaurian genus, the eponymous Plesiosaurus, was named in 1821. Since then, more than a hundred valid species have been described. See more

    Overview

    The Plesiosauria or plesiosaurs are an order or clade of extinct Mesozoic marine reptiles, belonging to the Sauropterygia.
    Plesiosaurs first appeared in the latest Triassic Period, possibly in the Rhaetian stage, abo… See more

    History of discovery

    Skeletal elements of plesiosaurs are among the first fossils of extinct reptiles recognised as such. In 1605, Richard Verstegen of Antwerp illustrated in his A Restitution of Decayed Intelligence plesiosaur vertebrae that he refe… See more

     
  1. Water dinosaurs, also known as aquatic dinosaurs, were a diverse group of prehistoric reptiles that lived in water environments. These dinosaurs evolved adaptations that allowed them to thrive in aquatic ecosystems, and they played an important role in shaping the biodiversity of the Mesozoic Era.
    www.americanoceans.org/facts/water-dinosaurs/
    www.americanoceans.org/facts/water-dinosaurs/
    Was this helpful?
  2. 25 of the strangest ancient sea monsters - Live Science

  3. 10 Biggest Water Dinosaurs & Sea Monsters Ever Found in

  4. 10 Incredible Prehistoric Sea Creatures Worth Exploring - Ocean Info

  5. 15 of the Most Famous Sea Dinosaurs - Dinosaur Facts For Kids

  6. Meet the Prehistoric Animals that Ruled the Ocean

    Dec 7, 2021 · Global sea levels were high during the Mesozoic period in which dinosaurs ruled the earth. While the animals that delighted our childhood like the Stegosaurus or the Tyrannosaurus rex roamed the land, the sea was also …

  7. Water dinosaurs? The ancient marine reptiles that …

    Sep 5, 2023 · Discover the awe-inspiring world of water dinosaurs, from long-necked giants to razor-toothed predators. Artistic depiction of dinosaur-age marine reptiles. Credit: Wikimedia Commons. Do any...

  8. Mosasaurus and other mosasaurs of the dinosaur age

    Apr 20, 2021 · Mosasaurus was one of the largest members of the mosasaur family, which ruled the oceans during the age of dinosaurs.

  9. Prehistoric Sea Creatures With Pictures & Interesting …

    Jul 23, 2024 · A list of prehistoric sea creatures, including animals that inhabited the world’s oceans before, during, and after the age of the dinosaurs. Read on to discover amazing prehistoric ocean animals such as plesiosaurs, …

  10. Pliosaur discovery: Huge sea monster emerges from …

    It belongs to a pliosaur, a ferocious marine reptile that terrorised the oceans about 150 million years ago. The 2m (6ft 5in)-long fossil is one of the most complete specimens of its type ever...