Bridger Formation
357 distinct taxa, from 1,665 fossil occurrences the Paleobiology Database records under this name, spanning 56–34 Mya.
Wyoming · US
357 taxa · 1,665 fossils · 56–34 MyaMembers recorded: lower, upper, Turtle Bluff, Blacks Fork, Black's Fork, Twin Buttes, Cedar Mountain ("Bridger E"), Black Fork, Black’s Fork.
Macrostrat dates this rock 50–40 Ma. Macrostrat’s own record
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37 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
- Sciuravus nitidus
- Hyrachyus
- Bridgeremys pusilla
- Hyopsodus minusculus
- Omomys carteri
- Microsyops elegans
- Smilodectes mcgrewi
- Washakius insignis
- Hyopsodus paulus
- Notharctus robinsoni
- Orohippus pumilus
- Centetodon pulcher
- Uintaparamys parvus
- Helohyus plicodon
- Hyrachyus modestus
- Antiacodon pygmaeus
- Palaeosyops fontinalis
- Nyctitherium curtidens
- Thisbemys corrugatus
- Uintatherium anceps
- Microsus cuspidatus
- Paramys delicatus
- Sinopa rapax
- Herpetotherium knighti
- Scenopagus edenensis
- Thinocyon velox
- Anaptomorphus westi
- Glyptosaurus sylvestris
- Peradectes chesteri
- Rodentia
- Saniwa ensidens
- Viverravus gracilis
- Homacodon vagans
- Notharctus tenebrosus
- Trogolemur myodes
- Apatemys
- Apatemys bellulus
- Centetodon bembicophagus
- Crocodylus affinis
- Notharctus
The 40 most often recorded, of 357.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.