Challis Volcanics
32 distinct taxa, from 82 fossil occurrences the Paleobiology Database records under this name, spanning 56–48 Mya.
Idaho · US
32 taxa · 82 fossils · 56–48 MyaMembers recorded: Germer Tuffaceous.
Macrostrat dates this rock 54–32 Ma. Macrostrat’s own record
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1 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
- Equisetum arcticum
- Metasequoia occidentalis
- Sequoia affinis
- Carya
- Alnus
- Cercidiphyllum elongatum
- Pseudolarix
- Aesculus
- Pinus wheeleri
- Alnus carpinoides
- Betula thor
- Comptonia
- Dennstaedtia americana
- Eucommia
- Juglans
- Osmunda
- Sassafras
- Tsuga
- Abies
- Abies concoloroides
- Ceanothus
- Cedrela
- Chamaecyparis
- Conites
- Equisetum
- Ostrya
- Picea
- Platanus
- Ribes
- Rosa
- Salix
- Smilax
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.