List of fossiliferous stratigraphic units in Iowa

This article contains a list of fossil-bearing stratigraphic units in the state of Iowa, U.S.

Sites
Group or Formation Period Notes
Altamont FormationCarboniferous
Blanding FormationSilurian
Brainard FormationOrdovician
Bronson Group/Dennis FormationCarboniferous
Burlington LimestoneCarboniferous
Cedar Valley Group/Coralville FormationDevonian
Cedar Valley Group/Linwood FormationDevonian
Cedar Valley Group/Lithograph City FormationDevonian
Cedar Valley Group/Little Cedar FormationDevonian
Cedar Valley Group/Shell Rock FormationDevonian
Chapin FormationCarboniferous
Cherokee GroupCarboniferous
Coralville FormationDevonian
Dakota FormationCretaceous
Decorah ShaleOrdovician
Dennis FormationCarboniferous
Dewey FormationCarboniferous
Dunleith FormationOrdovician
English River FormationCarboniferous
Galena DolomiteOrdovician
Galena Group/Cummingsville FormationOrdovician
Galena Group/Decorah shaleOrdovician
Galena Group/Dubuque FormationOrdovician
Galena Group/Dunleith FormationOrdovician
Galena Group/Guttenberg FormationOrdovician
Galena Group/Ion FormationOrdovician
Galena Group/Spechts Ferry FormationOrdovician
Galena Group/Wise Lake FormationOrdovician
Gilmore City LimestoneCarboniferous
Glenwood FormationOrdovician
Gower FormationSilurian
Grand Detour FormationOrdovician
Graneros ShaleCretaceous
Guttenberg FormationOrdovician
Hackberry Group/Lime Creek FormationDevonian
Hampton FormationCarboniferous
Hopkinton DolomiteSilurian
Independence ShaleDevonian
Iola FormationCarboniferous
Ion FormationOrdovician
Kansas City Group/Swope FormationCarboniferous
Keokuk LimestoneCarboniferous
LaPorte City FormationSilurian
Lecompton FormationCarboniferous
Lime Creek FormationDevonian
Lost Branch FormationCarboniferous
Maquoketa GroupOrdovician
Maquoketa Group/Brainard ShaleOrdovician
Maquoketa Group/Fort Atkinson LimestoneOrdovician
Maquoketa Group/Neda FormationOrdovician
Maquoketa Group/Scales ShaleOrdovician
Marmaton Group/LabetteCarboniferous
Maynes Creek FormationCarboniferous
McCraney LimestoneCarboniferous
Mifflin FormationOrdovician
Mosalem FormationSilurian
Nachusa FormationOrdovician
North Hill Group/English RiverDevonian
Oneota FormationOrdovician
Pawnee FormationCarboniferous
Pecatonica FormationOrdovician
Pella FormationCarboniferous
Platteville Group/Grand Detour FormationOrdovician
Platteville Group/Mifflin FormationOrdovician
Platteville Group/Pecatonica FormationOrdovician
Platteville Group/Quimbys Mill FormationOrdovician
Prosser LimestoneOrdovician
Quimbys Mill FormationOrdovician
Racine FormationSilurian
Saturday Mountain FormationOrdovician
Scotch Grove FormationSilurian
Shawnee Group/Deer Creek LimestoneCarboniferous
Shawnee Group/Kanwaka FormationCarboniferous
Shawnee Group/Oread LimestoneCarboniferous
Shell Rock FormationDevonian
Spechts Ferry FormationOrdovician
Spillville FormationDevonian
St. Louis FormationCarboniferous
St. Peter SandstoneOrdovician
Stanton FormationCarboniferous
Stewartville FormationOrdovician
Swope FormationCarboniferous
Traverse Group/Cedar Valley FormationDevonian
Wapsipinicon FormationDevonian
Warsaw FormationCarboniferous
Wassonville FormationCarboniferous
Wise Lake FormationOrdovician
Yellow Springs Group/Sheffield FormationDevonian

See also

References
  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 22 June 2014.
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