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Nipponitrigonia sp.

genus Nipponitrigonia L. R. Cox, 1952

• Extinct species: Middle Jurassic - Late Cretaceous (164.7 - 66.0 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Bivalvia, order Trigoniida, family Trigoniidae

• Distribution
• Cretaceous: Iwate, Ehime

• Subtaxa
• N. kikuchiana