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Cirolanidae fam., gen. et sp. indet.

family Cirolanidae Dana, 1852

• Modern species: Middle Jurassic - Present (171.6 - 0.0 Ma)

• Classification
• kingdom Animalia, phylum Arthropoda, subphylum Crustacea, class Malacostraca, order Isopoda

• Distribution (Creeping and crawling marks)
• Miocene: Hokkaido, Tottori
• Miocene-Pliocene: Hokkaido
• Pliocene: Hokkaido
• Pleistocnene: Ibaraki, Chiba, Kanagawa

• Subtaxa
• Excirolana, genus