Pecatonica Formation
114 distinct taxa, from 123 fossil occurrences the Paleobiology Database records under this name, spanning 457–450 Mya.
Illinois, Iowa, Illinois, Iowa, Wisconsin, Iowa/Wisconsin · US
114 taxa · 123 fossils · 457–450 MyaFiled under the Platteville Group.
Macrostrat places this rock in the Platteville Group. 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
- Actinoceras
- Zittelloceras
- Bumastus (Bumastoides) milleri
- Centrocyrtoceras
- Ectomaria prisca
- Gabriceraurus
- Isotelus simplex
- Acanthocrania
- Acanthocrania setigera
- Alaskadiscus subacutus
- Ambonychiopsis
- Antiplectoceras
- Basilicus (Basiliella)
- Bathyurus (Raymondites) longispinus
- Beloitoceras
- Beloitoceras pandion
- Bothriocidaris
- Bucania halli
- Bucania sublata
- Campylorthis deflecta
- Cataschisma convexum
- Ceraurinella
- Ceraurinella scofieldi
- Cheirocrinus
- Clathrospira subconica
- Cleionychia
- Coronocystis durandensis
- Cyclocystoides
- Cyclocystoides halli
- Cyclonema percarinata
- Cyrtocerina
- Cyrtocerina crenulata
- Cyrtodonta
- Cyrtodontula
- Deceptrix
- Deiroceras
- Diestoceras
- Doleroides
- Endoceras proteiforme
- Eotomaria dryope
The 40 most often recorded, of 114.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.