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Helminthochiton sp.

genus Helminthochiton Salter in Griffith et M'Coy, 1846

• Extinct species: Middle Ordovician - late Permian (460.9 - 254.0 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Polyplacophora, order Lepidopleurida, family Leptochitonidae

• Distribution
• Permian: Gifu