Phlegethontioidea
| Phlegethontioidea | |
|---|---|
 |
|
| Fossil of Pseudophlegethontia turnbullorum in the Field Museum of Natural History. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subclass: | †Lepospondyli |
| Order: | †Aistopoda |
| Stem group: |
†Phlegethontioidea Anderson et al., 2003 |
Phlegethontioidea is a clade of aistopod amphibians including the families Phlegethontiidae and Pseudophlegethontiidae. It is a stem-based taxon defined in phylogenetic terms as all aistopods sharing a more recent common ancestor with Phlegethontia than .
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