Pterygochiton Temporal range: Carboniferous[1] PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Polyplacophora
Order:	Lepidopleurida
Family:	Leptochitonidae
Subfamily:	†Helminthochitoninae
Genus:	†Pterygochiton

Pterygochiton is an extinct genus of polyplacophoran molluscs. Pterygochiton became extinct during the Carboniferous period.^[1]