Troublesome Formation
26 distinct taxa, from 31 fossil occurrences the Paleobiology Database records under this name, spanning 23–5.3 Mya.
Colorado · US
26 taxa · 31 fossils · 23–5.3 MyaMembers recorded: upper.
Macrostrat dates this rock 27–5.3 Ma. Macrostrat’s own record
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2 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
- Brachyerix macrotis
- Camelidae
- Cormocyon copei
- Equidae
- Merycochoerus matthewi
- Amphicyon galushai
- Blastomerycinae
- Brachycrus
- Chalicotheriidae
- Dikkomys
- Equinae
- Harrymys
- Hesperolagomys
- Hypohippus
- Merychippus sejunctus
- Merycochoerus magnus
- Mesogaulus paniensis
- Metechinus amplior
- Moropus elatus
- Mylagaulidae
- Paracosoryx
- Parvericius montanus
- Peraceras profectum
- Protolabis heterodontus
- Protospermophilus kelloggi
- Stenoechinus tantalus
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.