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Umbonium costatum, Costate button top(s)

Umbonium costatum (Kiener, 1839)

Invalid synonym: Suchium costatum

• Modern species
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Gastropoda, family Trochidae, genus Umbonium

• Distribution
• Pleistocene: Kanagawa, Aichi