Adriosaurus | |
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An artist's illustration of Adriosaurus microbrachis | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
clade: | Pythonomorpha |
Order: | Squamata |
Genus: | †Adriosaurus Seeley, 1881 |
Referred species | |
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Adriosaurus was a genus of aquatic lizard that lived about 95 million years ago. It was snake-like and grew 10 to 12 inches. This is the first fossil record of vestigial limbs in lizards, and gives scientists a glimpse back to the time when terrestrial lizards evolved to be limbless and returned to their watery origins.