Bighorn Dolomite
37 distinct taxa, from 54 fossil occurrences the Paleobiology Database records under this name, spanning 458–443 Mya.
Wyoming, Idaho · US
37 taxa · 54 fossils · 458–443 MyaMembers recorded: Horseshoe Mountain, Lander Sandstone.
Macrostrat dates this rock 460–445 Ma. Macrostrat’s own record
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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
- Anazyga aequivalvis
- Cyclospira
- Diceromyonia storeya
- Dinorthis occidentalis
- Eochonetes maearum
- Gnamptorhynchos prayi
- Hesperorthis pyramidalis
- Hiscobeccus gigas
- Hypsiptycha anticostiensis
- Megamyonia nitens
- Nasutimena fluctuosa
- Oepikina pergibbosa
- Plaesiomys rockymontana
- Platystrophia
- Rhynchotrema iowense
- Rugomena planocorrugata
- Astraspis desiderata
- Batostoma
- Calapoecia coxi
- Catenipora robusta
- Cephalopoda
- Cryptostomida
- Cupulocrinus latibrachiatus
- Dendrocrinus
- Dimorphosiphon
- Ectenocrinus
- Eriptychius americanus
- Favosites
- Holophragma
- Hypsiptycha neenah
- Maclurina manitobensis
- Macrostylocrinus wyomingensis
- Palaeophyllum gracile
- Palaeophyllum humei
- Paleofavosites prayi
- Sceptropora facula
- Streptelasma
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.