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Argonautidae gen. et sp. indet., Paper nautilus(es)

family Argonautidae Cantraine, 1841

• Modern species: early Miocene - Present (23.0 - 0.0 Ma)
• Habitat: Marine

• Classification
• kingdom Animalia, phylum Mollusca, class Cephalopoda, order Octopoda

• Distribution
• Miocene: Niigata, Nagano, Tochigi
• Pliocene: Chiba

• Subtaxa
• Argonauta awaensis
• Argonauta itoigawai
• Mizuhobaris izumoensis