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> Pterosaurs
> Pterosaurs
Pterosaurs are one of the three vertebrate flyer groups. They are now extinct.
https://archosaurmusings.wordpress.com/2008/07/25/pterosaur-soft-tissues/
> Structure
> Structure
A pterosaur has four fingers, and only the fourth finger elongates particularly to form the LE.
The lifting surface is believed to be a membrane.
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