ammonites
Arizonerpeton Thayer 1985 (tetrapod)

Amphibia - Nectridea

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

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

Sister taxa: Batrachiderpeton, Diceratosaurus, Diploceraspis, Keraterpeton, Keraterpetontidae, Ptyonius, Scincosauridae, Scincosaurus, Urocordylidae, Urocordylus

Subtaxa: Arizonerpeton wellsi

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Type: Arizonerpeton wellsi

Ecology: