Ptyonius

Ptyonius
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Amphibia
Subclass:	Lepospondyli
Order:	Nectridea
Family:	Urocordylidae
Genus:	Ptyonius

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

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Wikipedia