Actinodontidae
| Actinodontidae Temporal range: Early Permian-Late Permian
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|---|---|
| Image of Actinodon frossardi | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Tetrapoda |
| Order: | †Temnospondyli |
| Superfamily: | †Archegosauroidea |
| Family: | †Actinodontidae Lydekker, 1885 |
| Genera | |
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†Chelydosaurus
| |
Actinodontidae is an extinct family of temnospondyls that lived during the Permian period. The family is a sister taxon to Archegosauridae, under the superfamily Archegosauroidea.Though air-breathing via lungs, they would have been more physiologically similar to fishes than present amphibians or tetrapods; living primarily in brackish or freshwater environments.