Ptyonius

Ptyonius is an extinct genus of nectridean lepospondyl within the family Urocordylidae.

Basal lepospondyls

Aletrimyti Altenglanerpeton Dvellecanus Pantylus Rhynchonkos Sparodus Stegotretus Tambaroter Trachystegos

Brachystelechidae	Batropetes Carrolla Quasicaecilia

Gymnarthridae	Cardiocephalus Elfridia Euryodus Leiocephalikon Pariotichus

Ostodolepidae	Micraroter Nannaroter Ostodolepis Pelodosotis Tambaroter

Acherontiscidae	Acherontiscus

Adelogyrinidae	Adelogyrinus Dolichopareias

Sauropleurinae	Crossotelos Lepterpeton Montcellia Sauropleura

Urocordylinae	Ctenerpeton Ptyonius Urocordylus

Lethiscus

Related categories

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