1) Animal order 2) Order pterosauria 
• (n. pl.) An extinct order of flying reptiles of the Mesozoic age; the pterodactyls; -- called also Pterodactyli, and Ornithosauria.
<paleontology> An extinct order of flying reptiles of the Mesozoic age; the pterodactyls. ... Synonym: Pterodactyli, and Ornithosauria. ... The wings were formed, like those of bats, by a leathery expansion of the skin, principally supported by the greatly enlarged outer or ' little' fingers of the hands. The American Cretaceous pterodactyls ...
Pter`o·sau'ri·a noun plural [ New Latin ] (Paleon.) An extinct order of flying reptiles of the Mesozoic age; the pterodactyls; -- called also Pterodactyli , and Ornithosauria . » The wings were formed, like those of bats, by a leathery expansion of the skin, principal...
[n] - extinct flying reptiles: pterosaurs
Pterosauria Lizards with wings.
order Pterosauria noun extinct flying reptiles: pterosaurs