Tetracanthagyna
Tetracanthagyna is a genus of dragonflies in the family Aeshnidae.
T. plagiata is the world's largest dragonfly by wingspan and the female T. plagiata is probably the heaviest living odonate.
The genus contains the following species:
- Tetracanthagyna bakeri
- Tetracanthagyna brunnea
- Tetracanthagyna degorsi
- Tetracanthagyna plagiata
- Tetracanthagyna waterhousei
