| Phlegethontioidea | |
|---|---|
| |
| Fossil of Pseudophlegethontia turnbullorum in the Field Museum of Natural History. | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Sarcopterygii |
| Clade: | Tetrapodomorpha |
| Order: | †Aistopoda |
| Clade: | †Phlegethontioidea Anderson et al., 2003 |
Phlegethontioidea is a clade of aistopod tetrapodomorphss 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 Oestocephalus.[1]
- ^ Anderson, J.S.; Carroll, R.L.; Rowe, T.B. (2003). "New information on Lethiscus stocki (Tetrapoda: Lepospondyli: Aistopoda) from high-resolution computed tomography and a phylogenetic analysis of Aistopoda" (PDF). Canadian Journal of Earth Sciences. 40 (8): 1071–1083. Bibcode:2003CaJES..40.1071A. doi:10.1139/e03-023.