Phlegethontiidae is a family of extinct
aistopod tetrapodomorph
Tetrapodomorpha (also known as Choanata) is a clade of vertebrates consisting of tetrapods (four-limbed vertebrates) and their closest sarcopterygian relatives that are more closely related to living tetrapods than to living lungfish. Advanced for ...
s including the genera ''
Phlegethontia'' and ''
Sillerpeton''.
Aistopoda
Carboniferous first appearances
Permian extinctions
Taxa named by Edward Drinker Cope
Tetrapodomorph families
{{paleo-tetrapodomorph-stub