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Onustus sp.

genus Onustus Swainson, 1840

Invalid synonym: Tugurium sp.

• Modern species: early Miocene - Present (20.4 - 0.0 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Gastropoda, order Littorinimorpha, family Xenophoridae

• Distribution
• Miocene: Ishikawa, Tottori
• Pliocene-Pleistocene: Kochi
• Pleistocene: Kochi

• Subtaxa
• O. exutus
• O. makiyamai