Pterosaur
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Pterosaurs (Greek "winged lizards") are an extinct order of flying reptiles. Their varied skull morphology likely allowed them to exploit numerous food sources.
Extensive fossil evidence indicates that that they were buried throughout the Mesozoic Era group of rocks. This is consistent with the evolutionary belief that they were the first vertebrates to achieve powered flight.
References
- Introduction to the Pterosauria. Accessed 13 May 2007.