Middlegate Formation
55 distinct taxa, from 119 fossil occurrences the Paleobiology Database records under this name, spanning 20–16 Mya.
Nevada · US
55 taxa · 119 fossils · 20–16 MyaMacrostrat dates this rock 23–5.3 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
- Salix
- Mahonia
- Populus
- Acer
- Picea
- Pinus
- Quercus
- Abies
- Cercocarpus
- Fraxinus
- Acer oregonianum
- Alnus
- Arbutus prexalapensis
- Betula
- Betula thor
- Chamaecyparis
- Crataegus
- Juniperus
- Larix
- Lithocarpus
- Lyonothamnus
- Nymphaeites nevadensis
- Photinia (Heteromeles)
- Populus pliotremuloides
- Pseudotsuga
- Quercus simulata
- Robinia californica
- Sequoiadendron
- Sorbus
- Tsuga
- Typha lesquereuxi
- Abies concoloroides
- Acer negundoides
- Acer scottiae
- Aesculus
- Amelanchier
- Ceanothus precuneatus
- Cedrela
- Ceratophyllum
- Cercocarpus antiquus
The 40 most often recorded, of 55.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.