Temporal range: Late Cretaceous, 95 Ma
|London specimen of A. suessi above, with interpretative drawing of its skull on the left. Vienna holotype specimen of A. suessi below.|
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.
- Alessandro Palci and Michael W. Caldwell (2007). "Vestigial forelimbs and axial elongation in a 95-million-year-old non-snake squamate". Journal of Vertebrate Paleontology. 27 (1): 1–7. doi:10.1671/0272-4634(2007)27[1:VFAAEI]2.0.CO;2.
- Michael W. Caldwell and Alessandro Palci (2010b). "A new species of marine ophidiomorph lizard, Adriosaurus skrbinensis, from the Upper Cretaceous of Slovenia". Journal of Vertebrate Paleontology. 30 (3): 747–755. doi:10.1080/02724631003762963.
- Ancient lizard missing front limbs - LiveScience - MSNBC.com
- Aquatic Lizard Was Losing Its Front Limbs
- Alessandro Palci and Michael W. Caldwell (2010a). "Redescription of Acteosaurus tommasinii von Meyer, 1860, and a discussion of evolutionary trends within the clade Ophidiomorpha". Journal of Vertebrate Paleontology. 30 (1): 94–108. doi:10.1080/02724630903409139.
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