Red River Formation
116 distinct taxa, from 167 fossil occurrences the Paleobiology Database records under this name, spanning 471–443 Mya.
Manitoba · CA
116 taxa · 167 fossils · 471–443 MyaMembers recorded: Selkirk, Cat Head, Dog Head, Fort Garry.
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17 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
- Diceromyonia storeya
- Kjaerina hartae
- Oepikina lata
- Eochonetes clarksvillensis
- Nasutimena fluctuosa
- Tetraphalerella churchillensis
- Conularia porcella
- Cystostroma
- Grewingkia crassa
- Strophomena vetusta
- Conularia
- Conularia splendida
- Crenulites
- Cyclendoceras
- Diestoceras
- Dinorthis occidentalis
- Gnamptorhynchos manitobensis
- Grewingkia robusta
- Hiscobeccus capax
- Hypsiptycha anticostiensis
- Hypsiptycha occidens
- Lambeoceras
- Manipora
- Megamyonia nitens
- Nasutimena undulosa
- Rhynchotrema iowense
- Tetraphalerella neglecta
- Wilsonoceras
- Zaphrenthis haysii
- Actinoceras
- Anazyga recurvirostra
- Anthaspidella mammulata
- Armenoceras
- Asaphus gigas
- Aulacera
- Aulocopella winnipegensis
- Bighornia patella
- Brachiospongia digitata
- Calapoecia
- Calapoecia anticostiensis
The 40 most often recorded, of 116.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.