Pliosaurus
Reptiles
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Pliosaurus is an extinct genus of thalassophonean pliosaurid known from the Late Jurassic of Europe and South America. Wikipedia
Family: †Pliosauridae
Size: about 50 feet
Clade: †Thalassophonea
Genus: †Pliosaurus; Owen, 1842
Order: †Plesiosauria
Phylum: Chordata