noun. Any of various extinct marine reptiles of the group Plesiosauria of the Mesozoic Era, having paddlelike limbs, a short tail, and sometimes a very long neck.

noun. An animal of the order Plesiosauria.

noun. One of the Plesiosauria.

noun. Any of several extinct marine reptiles, of the order Plesiosauria, from the Jurassic and Cretaceous periods

noun. extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous

"Aquatic creature, air-breathing, cold-blooded, fish-eating, huge body, long neck, small head — did you know the word plesiosaur means ‘next to a lizard’?"

archosaur  archosaurian  archosaurian reptile  

cryo  dream-filled  ewer  herbivore  lulling