†subclass Apsidospondyli Romer 1947 (tetrapod)
Full reference: A. S. Romer. 1947. Review of the Labyrinthodontia. Bulletin of the Museum of Comparative Zoology 99(1):1-368
Parent taxon: Amphibia according to A. S. Romer 1947
Sister taxa: Amphibiopodiscus, Amphisauropus, Anthracopus, Anthracosauromorpha, Batrachichnus, Batrachopodiscus, Campsichrotes, Euamphibia, Lehahichnus, Lepospondyli, Limnopus, Matthewichnus, Phractamphibia, Quadropedia, Ruecklinichnium, Sterrichrotes, Strepsichrotes, Temnospondyli, Urodelomorpha
Subtaxa: Labyrinthodontia
Ecology: