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

Sites

Group or Formation Period Notes
Annona ChalkCretaceous
Arkadelphia MarlCretaceous
Austin ChalkCretaceous
Batesville SandstoneCarboniferous
Bloyd ShaleCarboniferous
Boone FormationCarboniferous
Brownstown MarlCretaceous
Cane Hill Member of Hale FormationCarboniferous
Claiborne FormationPaleogene
Collier ShaleCambrian
Comanche FormationCretaceous
De Queen FormationCretaceous
Dierks LimestoneCretaceous
Everton FormationOrdovician
Fayetteville ShaleCarboniferous
Hale FormationCarboniferous
Hindsville Member of Batesville FormationCarboniferous
Imo FormationCarboniferous
Jackson Group/White Bluff FormationPaleogene
Kimmswick LimestoneOrdovician
Marlbrook MarlCretaceous
Midway GroupPaleogene
Moorefield FormationCarboniferous
Morrow Group/Bloyd FormationCarboniferous
Nacatoch FormationCretaceous
Nacatoch SandCretaceous
Navarro Group/Saratoga ChalkCretaceous
Ozan FormationCretaceous
Pentremital Limestone Group/Bloyd FormationCarboniferous
Pitkin FormationCarboniferous
Powell FormationOrdovician
Saratoga ChalkCretaceous
Smackover FormationJurassic
Smithville FormationOrdovician
St. Clair LimestoneSilurian
St. Joe FormationCarboniferous
Taylor Group/Annona ChalkCretaceous
Taylor Group/Ozan FormationCretaceous
Theodosia FormationOrdovician
Trinity Group/Holly Creek FormationCretaceous
Winslow FormationCarboniferous
Witts Springs FormationCarboniferous

See also

References

Wikisource has original works on the topic: Paleontology in the United States#Arkansas
  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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