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Isognomon sp.

genus Isognomon Lightfoot, 1786

• Modern species: late Permian - Present (254.0 - 0.0 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Bivalvia, order Ostreida, family Isognomonidae

• Distribution
• Miocene: Kagawa

• Subtaxa
• I. hatai