Protochiton Temporal range: Eocene[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:	†Protochitonidae
Genus:	†Protochiton Ashby, 1925

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