Adriosaurus

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Adriosaurus
Fossil range: Late Cretaceous
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Genus: Adriosaurus
Species: A. microbrachis
Binomial name
Adriosaurus microbrachis

Adriosaurus is an extinct 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.[1][2]

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