Sauropterygians

The Marine Reptiles of the Mesozoic Seas

Sauropterygians were an intriguing group of marine reptiles that lived during the Mesozoic Era, which included the Triassic, Jurassic, and Cretaceous periods.

These reptiles were well-adapted to life in the water and included a variety of species, from the long-necked plesiosaurs to the more streamlined and dolphin-like pliosaurs.

Sauropterygians had strong flippers for swimming and often had elongated bodies and necks.

They thrived in the ancient oceans, preying on fish and other marine animals.

Some well-known sauropterygians, like Plesiosaurus, had distinctive long necks and small heads, while others, like Kronosaurus, were large and powerful predators.

Imagine these fascinating creatures gliding through the Mesozoic seas, hunting with precision.

Plesiosaurus

Elasmosaurus

Pliosaurus

  • When: Late Jurassic
    (155–145 mya)
  • Where: Europe
  • What: Pliosaur
  • Weight: 12–45 metric tons
  • Length: 10–13 meters
  • Diet: Carnivorous
  • Discovered: 1841

Kronosaurus

Nothosaurus

Liopleurodon

Placodus

Scroll to Top