Platteville Formation
208 distinct taxa, from 323 fossil occurrences the Paleobiology Database records under this name, spanning 458–450 Mya.
Minnesota, Wisconsin, Minnesota, Wisconsin, Illinois, illinois · US
208 taxa · 323 fossils · 458–450 MyaFiled under the Black River Group. Members recorded: Mifflin, Beloit, Hidden Falls, Magnolia, Carimona.
Macrostrat places this rock in the Simpson Group. Macrostrat’s own record
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13 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
- Zittelloceras
- Beloitoceras
- Cupulocrinus
- Eurychilina
- Richardsonoceras
- Actinoceras
- Campylorthis deflecta
- Cremacrinus
- Hormotoma gracilis
- Lophospira serrulata
- Vanuxemia
- Cupulocrinus jewetti
- Manespira nicolleti
- Metaspyroceras
- Oepikina minnesotensis
- Phragmolites triangularis
- Pionodema
- Skenidioides anthonense
- Stictopora
- Strophomena plattinensis
- Tripteroceras
- Allumettoceras
- Ambonychiopsis
- Bromidella
- Cameroceras
- Catalanispira plattevillensis
- Centrocyrtoceras
- Clathrospira conica
- Clathrospira subconica
- Cleionychia
- Cymatonota
- Cyrtocerina crenulata
- Cyrtodonta
- Cyrtodontula
- Diestoceras
- Eunema centralis
- Eunema helicteres
- Eurymya
- Gonioceras
- Gyronema pulchellum
The 40 most often recorded, of 208.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.