Brule Formation
348 distinct taxa, from 1,567 fossil occurrences the Paleobiology Database records under this name, spanning 37–19 Mya.
South Dakota, Nebraska, Colorado, Wyoming · US
348 taxa · 1,567 fossils · 37–19 MyaFiled under the White River Group. Members recorded: Scenic, lower Orella, Poleslide, Orella, Whitney, Cedar Creek, Brown Siltstone, Orella D, lower, upper Whitney, lower Scenic, lower Poleslide.
Macrostrat places this rock in the White River Group, and dates it 29–23 Ma. Macrostrat’s own record
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53 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
- Merycoidodon culbertsonii
- Hesperocyon gregarius
- Leptauchenia decora
- Palaeolagus haydeni
- Miniochoerus affinis
- Ischyromys typus
- Megalagus turgidus
- Miniochoerus gracilis
- Leptauchenia major
- Merycoidodon bullatus
- Merycoidodon major
- Leptomeryx evansi
- Daphoenus
- Ischyromys
- Altasciurus relictus
- Hyracodon nebraskensis
- Miniochoerus starkensis
- Stibarus obtusilobus
- Adjidaumo minutus
- Hypertragulus calcaratus
- Mesohippus bairdi
- Eumys elegans
- Archaeotherium mortoni
- Poebrotherium wilsoni
- Palaeolagus burkei
- Hyracodon
- Palaeolagus hemirhizis
- Peltosaurus granulosus
- Peltosaurus
- Colodon occidentalis
- Hyaenodon crucians
- Palaeolagus intermedius
- Paradjidaumo trilophus
- Rhineura hatcherii
- Hyaenodon horridus
- Mesocyon temnodon
- Parophisaurus pawneensis
- Subhyracodon occidentalis
- Hoplophoneus primaevus
- Cedromus wardi
The 40 most often recorded, of 348.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.