| Phlegethontiidae | |
|---|---|
| Life restoration of Phlegethontia longissima | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subclass: | †Lepospondyli |
| Order: | †Aistopoda |
| Stem group: | †Phlegethontioidea |
| Family: |
†Phlegethontiidae Cope, 1875 |
Phlegethontiidae is a family of aistopod amphibians including the genera Phlegethontia and Sillerpeton.