Beartooth Butte Formation
58 distinct taxa, from 131 fossil occurrences the Paleobiology Database records under this name, spanning 420–393 Mya.
Wyoming · US
58 taxa · 131 fossils · 420–393 MyaMembers recorded: "Cottonwood Canyon".
Macrostrat dates this rock 420–392 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
- Euphyllophytina
- Apiculiretusispora
- Retusotriletes
- Grandispora
- Bryantolepis
- Dibolisporites
- Cardipeltis bryanti
- Cephalaspis
- Cosmaspis transversa
- Drepanophycus
- Emphanisporites
- Gosslingia
- Jaekelopterus howelli
- Lampraspis tuberculata
- Protaspis (Protaspis) brevispina
- Protaspis (Protaspis) mcgrewi
- Psilophyton
- Retusotriletes simplex
- Uranolophus
- Vertebrata
- Acanthoscorpio mucronatus
- Aethaspis
- Allocryptaspis
- Allocryptaspis elliptica
- Anarthraspis chamberlini
- Anarthraspis montanus
- Apiculatisporis
- Brachiopoda
- Branchioscorpio richardsoni
- Broeggeria
- Bryantolepis brachycephala
- Bryantonchus peracutus
- Bulbocanthus rugosus
- Cardipeltis
- Cardipeltis richardsoni
- Cardipeltis wallacii
- Chomotriletes
- Cyrtaspidichthys ovata
- Cyrtaspidichthys sculpta
- Dictyotriletes
The 40 most often recorded, of 58.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.