Bighorn Formation
71 distinct taxa, from 114 fossil occurrences the Paleobiology Database records under this name, spanning 458–443 Mya.
Wyoming · US
71 taxa · 114 fossils · 458–443 MyaMembers recorded: Lander sandstone.
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6 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
- Chirognathus
- Erismodus
- Gastropoda
- Strophomena
- Archaeogastropoda
- Bighornia patella
- Crinoidea
- Diceromyonia
- Diceromyonia storeya
- Dinorthis occidentalis
- Favositidae
- Foerstephyllum
- Hesperorthis
- Hormotoma
- Hypsiptycha anticostiensis
- Lepidocyclus
- Megamyonia
- Megamyonia nitens
- Phragmodus
- Plaesiomys
- Rhynchotrema
- Rhynchotrema iowense
- Rugosa
- Stenolaemata
- Streptelasma
- Trepostomata
- Trepostomida
- Acodus
- Actinoceras
- Allumettoceras
- Asaphida
- Belodina
- Bighornia
- Bighornia parva
- Bivalvia
- Bryantodina
- Cephalopoda
- Charactoceras
- Coleodus
- Cordylodus
The 40 most often recorded, of 71.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.