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The Cambrian in Iowa, US

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Cambrian Fossils

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Paleontology and geology

A shallow sea flooded what is now Iowa during Late Cambrian time. The layers of sedimentary rock of this age represent deposition along shoreline, shallow marine shelf, and offshore shelf environments. Cambrian rocks are exposed best in far northeastern Iowa, in a topographic region called the Paleozoic Plateau. Although not abundant, fossils of inarticulate brachiopods, trilobites, algae, and burrows of wormlike organisms have been found in some of the state’s Cambrian rocks.

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Research and Collections | Resources

Research and Collections

Researchers (showing 2 of 2 listings)

University of Iowa Paleontology Repository: The UI Paleontology Repository is home to over a million fossils from all over the world and from all time periods, and is used for research and teaching. We also provide education services, hands-on tours around the collections and geology exhibits for schools and community groups, and fossil identification and collection care services.

Dr. Thomas W. Kammer: Specialty: Evolutionary paleoecology of Paleozoic crinoids, plus lithostratigraphy, biostratigraphy, and sequence stratigraphy of marine Mississippian rocks in the east-central United States. Field areas include West Virginia, Kentucky, Indiana, Illinois, Missouri, and Iowa.

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Databases (showing 1 of 1 listings)

Fossils in My Back Yard: Explore a geologic map of Iowa, county by county, to see lists and photos of fossils in the collections of the University of Iowa Paleontology Repository.

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