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Aniai-type flora

Cool inland climate

• Type locality: Torisakagawa Formation, Aniai, Kitaakita city, Akita prefecture
• Strata: Otose Formation, Kuroishizawa Formation, Makibuchi Formation, Torisakagawa Formation, Omata Formation, Haginari Formation, Oyana Formation, Iizawa Formation, Irakawa Formation, Shichiku Formation, Lower Kunugidaira Formation
• early Miocene (24.0 - 18.0 Ma)
• Member: Hiyoshi flora

• Climate: Cool temperate, Montane zone
• Mainly composed of deciduous broad-leaved trees and conifers, and few evergreen broad-leaved trees.

• [ Index fossils ]
• Acer miohenryi
• Alangium aequalifolium
• Betula sekiensis
• Carpinus heigunensis
• Carpinus subcordata
• Cercidiphyllum crenatum
• Fagus antipofi
• Salix varians
• Sorbus uzenensis
• Tilia hommashinichii
• Tilia sekiensis
• Ulmus sekiensis
• Ulmus takayasui