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Shikamaia sp.

genus Shikamaia Ozaki, 1968

• Extinct species: middle Permian (272.5 - 268.0 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Bivalvia, order Myalinida, family Alatoconchidae

• Distribution
• Permian: Gifu