Osteichthyes - Recumbirostra - Gymnarthridae

Full reference: D. W. Thayer. 1985. New Pennsylvanian Lepospondyl Amphibians from the Swisshelm Mountains, Arizona. Journal of Paleontology 59(3):684-700

Parent taxon: Gymnarthridae according to D. W. Thayer 1985

See also Carroll 1988 and Carroll et al. 1998

Sister taxa: Bolterpeton, Cardiocephalus, Euryodus, Goniorhynchus, Hylerpeton, Leiocephalikon, Pariotichus, Sparodus, Stegotretus

Subtaxa: Elfridia bulbidens

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Ecology:

Distribution: found only at Swisshelm Mts. amphibian site (Carboniferous of Arizona)

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Specimen images are retrieved through the ePANDDA API.