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Permoperna trapezoidalis

Permoperna trapezoidalis Kayser, 1883

Invalid synonym: Liebea sinensis, Permoperna hayamii, Waagenoperna hayamii

• Extinct species: late Permian (259.0 - 272.3 Ma)
• Habitat: Marine

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

• Distribution
• Permian: Gifu