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Cleiothyridina hayasakai

Cleiothyridina hayasakai Tazawa, 2010

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

• Classification
• kingdom Animalia, phylum Brachiopoda, class Rhynchonellata, order Athyridida, family Athyrididae, genus Cleiothyridina

• Distribution
• Permian: Tochigi