Cymatochiton

Cymatochiton is an extinct genus of polyplacophoran molluscs. Cymatochiton became extinct during the Permian period.

Species:
 * Chiton loftusianus (King, 1848) = Cymatochiton loftusianus (King, 1848)
 * Rhynchoteuthis kaibabensis (Brady, 1955) = 6Cymatochiton kaibabensis (Brady, 1955)