Plesiosaur Fossils For Sale

Plesiosauria, or Plesiosaurs are an order of extinct Mesozoic marine reptiles belonging to the superorder Sauropterygia. They first appeared during the latest stage of the Triassic period, possibly the Rhaetian stage, and became quite common by the Jurassic period, thriving until the end of the Cretaceous when they went extinct due to the Cretaceous-Palaeogene extinction. Plesiosaurs were among the first fossilized reptiles to be discovered as they had plentiful and a world-wide oceanic distribution. They are recognized by their distinctive long neck, flat body and short tails.