Itahana Formation
106 distinct taxa, from 365 fossil occurrences the Paleobiology Database records under this name, spanning 23–5.3 Mya.
Gunma · JP
106 taxa · 365 fossils · 23–5.3 MyaFiled under the Tomioka Group.
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6 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
- Salix
- Acer
- Carpinus
- Ficus tiliaefolia
- Bambusites
- Cladrastis
- Glycymeris cisshuensis
- Lindera
- Zelkova ungeri
- Alnus
- Fagus
- Lespedeza
- Liquidambar
- Metasequoia occidentalis
- Carex
- Celtis
- Dosinia
- Dosinia japonica
- Glossaulax didyma
- Laevicardium
- Ostrea
- Phragmites
- Chlamys (Nomurachlamys) kaneharai
- Cinnamomum
- Cornus
- Diplodonta
- Mercenaria
- Pterocarya
- Acer protomiyabei
- Ilex
- Leukoma
- Potamogeton
- Quercus miovariabilis
- Sophora
- Thujopsis
- Ulmus
- Wisteria
- Actinodaphne
- Caesalpinia
- Carya
The 40 most often recorded, of 106.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.