Ogawa Formation
98 distinct taxa, from 133 fossil occurrences the Paleobiology Database records under this name, spanning 23–2.6 Mya.
Nagano, Hokkaido · JP
98 taxa · 133 fossils · 23–2.6 MyaFiled under the Kunnui Group. Members recorded: Shashikiri, Ronji Mudstone.
Loading coastlines…
9 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.
When
What has been found
- Acer
- Carpinus
- Quercus
- Salix
- Sorbus
- Alnus
- Fagus
- Linthia
- Bambusites
- Celtis
- Glyptostrobus europaeus
- Ilex
- Keteleeria ezoana
- Neolitsea
- Phragmites
- Quercus protosalicina
- Ulmus
- Zelkova ungeri
- Acer trilobatum
- Asplenium
- Bambusium
- Betula
- Buxus protojaponica
- Callianassa tanakai
- Callianassa yagii
- Carex
- Castanea
- Cercidiphyllum crenatum
- Cinnamomum
- Cladrastis
- Cocculus
- Coriaria
- Cornus
- Corylus
- Crataegus
- Desmodium
- Desmostylus japonicus
- Diplazium
- Ehretia
- Fagara
The 40 most often recorded, of 98.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.