Pterosaurs
Pterosaurs, which existed from the late Triassic to the Cretaceous period (210 to 65.5 million years ago), possessed wings, but are not believed to have been capable of powered flight. Instead, they may have been able to soar after launching from cliffs.
Source
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"OpenStax College, Reptiles. October 17, 2013."
http://cnx.org/content/m44689/latest/Figure_29_04_04.jpg
OpenStax CNX
CC BY 3.0.
