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Viviparidae gen. et sp. indet., River snail(s)

family Viviparidae Gray, 1847

• Modern species: Late Triassic - Present (205.6 - 0.0 Ma)
• Habitat: Freshwater

• Classification
• kingdom Animalia, phylum Mollusca, class Gastropoda, order Architaenioglossa

• Distribution
• Jurassic: Gifu
• Jurassic-Cretaceous: Ishikawa
• Cretaceous: Wakayama, Hiroshima, Yamaguchi, Fukuoka
• Miocene: Mie, Shimane
• Pliocene: Mie, Shiga
• Pliocene-Pleistocene: Mie
• Pleistocene: Nagano, Mie, Shiga
• Investigation in progress: Mie

• Subtaxa
• Bellamya kosasana
• Bellamya suzukii
• Cipangopaludina japonica
• Heterogen, genus
• Igapaludina, genus
• Sinotaia, genus
• Tulotomoides, genus
• Viviparus, genus