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Poaceae gen. et sp. indet., Grass(es)
family Poaceae Barnhart (1895)
Synonym: family Gramineae
- Modern species: Early Cretaceous - Present (125.5 - 0.0 Ma)
- Classification
- kingdom Plantae, Angiosperms, order Poales
- Distribution
- Paleogene-Neogene: Nagasaki
- Miocene: Nagano, Gunma, Tochigi, Saitama
- Miocene-Pliocene: Tottori
- Pliocene: Miyagi
- Pleistocene: Aomori, Nagano, Ishikawa, Gunma, Tochigi, Tokyo, Hiroshima
- Holocene: Saitama, Shizuoka
- Investigation in progress: Hokkaido