Campylognathus may refer to:
- Campylocephalus, a genus of eurypterid once described as Campylognathus.
- Campylognathoides, a genus of pterosaur originally described as Campylognathus.
- Campylognathus, synonym of the genus of plant bug Maurodactylus.
This disambiguation page lists articles about distinct genera with the same name.
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