Olcott Formation
77 distinct taxa, from 247 fossil occurrences the Paleobiology Database records under this name, spanning 16–13 Mya.
Nebraska · US
77 taxa · 247 fossils · 16–13 MyaMembers recorded: subcycle 3, subcycle 2, subcycle 1.
Macrostrat places this rock in the Hemingford Group, and dates it 16–14 Ma. Macrostrat’s own record
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4 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
- Aphelops megalodus
- Teleoceras medicornutum
- Tomarctus hippophaga
- Acritohippus isonesus
- Merychyus relictus
- Brachycrus siouense
- Desmatippus integer
- Tomarctus brevirostris
- Ticholeptus zygomaticus
- Merycodus sabulonis
- Microtomarctus conferta
- Amphicyon
- Dromomeryx borealis
- Merychippus insignis
- Pseudoparablastomeryx scotti
- Hypohippus
- Lambdoceras siouxensis
- Neohipparion
- Cynarctoides acridens
- Leptocyon leidyi
- Paracynarctus sinclairi
- Pseudaelurus validus
- Euoplocyon brachygnathus
- Euroxenomys galushai
- Hesperhys vagrans
- Leptarctus oregonensis
- Moropus merriami
- Osbornodon fricki
- Pliocyon
- Psalidocyon marianae
- Scaphohippus intermontanus
- Stirtonhyus xiphodonticus
- Anchitheriomys
- Bassariscus antiquus
- Blastomeryx gemmifer
- Cynelos sinapius
- Drepanomeryx falciformis
- Hypohippus pertinax
- Monosaulax curtus
- Pediohierax ramenta
The 40 most often recorded, of 77.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.