Plesiosauria
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, about 203 million years ago.
Plesiosauria People (First 9 people) - Page 0
Elasmosaurus
Reptile
Kronosaurus
Reptile
Pliosauroidea
Reptile
Styxosaurus
Reptile
Cryptoclidus
Reptile
Futabasaurus
Reptile
Brachauchenius
Reptile
Elasmosauridae
Reptile
