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Pyramus sp.

genus Pyramus Dana, 1847

• Extinct species: late Carboniferous - Permian (318.1 - 252.3 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Bivalvia, order Pholadomyida, family Megadesmidae

• Distribution
• Permian: Gifu