Notes on the Occurrence of Conodonts in Iowa

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Proceedings of the Iowa Academy of Science, Vol: 54, Issue: 1, Page: 199-205

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Youngquist, Walter
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Conodont faunas in Iowa have so far been described from only the Ordovician and Devonian. However, they are known to occur in the Mississippian and Pennsylvanian systems, and are also reported from the Silurian. A summary of the known stratigraphic and geographic occurrences of conodonts in Iowa is given, and the Lime Creek shale and the shales of the Mississippian are cited as having particularly worthwhile possibilities with regard to future conodont investigations.