Stony Mountain Formation
32 distinct taxa, from 124 fossil occurrences the Paleobiology Database records under this name.
The Paleobiology Database files this name in 2 countries. That can be one body of rock crossing a border, or two rocks that happen to share a name. The database does not say which, so nothing below is added across them.
Manitoba, Saskatchewan · CA
29 taxa · 93 fossils · 458–443 MyaMembers recorded: Gunn, Penitentiary, Gunton, Williams.
Macrostrat places this rock in the Bighorn Group. Macrostrat’s own record
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5 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
- Dinorthis occidentalis
- Diceromyonia storeya
- Hiscobeccus gigas
- Oepikina limbrata
- Hypsiptycha occidens
- Nasutimena fluctuosa
- Megamyonia nitens
- Salvadorea selecta
- Strophomena vetusta
- Bighornia patella
- Aulacera
- Sceptropora facula
- Streptelasma
- Arthroclema pentagonalis
- Arthrotrypa ovata
- Beatricea nodulosa
- Beatricea undulata
- Eochonetes clarksvillensis
- Hormotoma winnipegensis
- Lobocorallium
- Lophospira milleri
- Lunataspis aurora
- Maclurina manitobensis
- Nematoporella falcata
- Nematoporella ulrichi
- Rhynchotrema iowense
- Sceptropora florida
- Strophomena planumbona
- Trochonema coxi
North Dakota · US
9 taxa · 31 fossils · 450–446 MyaMembers recorded: Gunn.
Macrostrat places this rock in the Bighorn Group. 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
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.