Odonata
Etymology and terminology

Johan Christian Fabricius coined the term Odonata in 1793 from the Ancient Greek ὀδών odṓn (Ionic form of ὀδούς odoús) "tooth". One hypothesis is that it was because their maxillae are notably toothed.

The word dragonfly usually denotes only Anisoptera, but is sometimes used to mean all Odonata. Odonata enthusiasts avoid ambiguity by using the term true dragonfly, or simply anisopteran, when they mean just the Anisoptera. An alternative term warriorfly has been proposed.
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