Shakopee Formation
22 distinct taxa, from 24 fossil occurrences the Paleobiology Database records under this name, spanning 483–471 Mya.
Minnesota, Illinois · US
22 taxa · 24 fossils · 483–471 MyaMacrostrat places this rock in the Prairie du Chien Group, and dates it 480–475 Ma. Macrostrat’s own record
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3 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
- Cameroceras
- Lophospira perangulata
- Archinacella simplex
- Bassleroceras lasallense
- Ceratopea canadensis
- Ceratopea parvum
- Ceratopea pygmaea
- Cotteroceras compressum
- Cyptendoceras ruedemanni
- Endoceras eburneolum
- Euomphalopsis depressa
- Eurystomites kelloggi
- Helcionopsis
- Hormotoma artemesia
- Hormotoma cassina
- Lecanospira transversocordatus
- Ophileta
- Plethospira cannonensis
- Plethospira cassina
- Raphistoma shakopeense
- Rioceras consuetum
- Stylocyrtoceras tantillum
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.