Family
Petaluridae (Petaltails)
Tanypteryx hageni. Photo: (c) Marc Dragiewicz, some rights reserved (CC BY-NC-SA)
The petaltails of the family Petaluridae are apparently the most ancient of the extant true dragonflies (infraorder Anisoptera), having fossil members from as early as the Jurassic (over 150 million years ago).
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