I have one example of Fenestellid type Bryozoans from the Jeffersonville formation. The specimen below has pieces of the fan like, lacy skeletons impressed on the chert. Unfortunately the preservation is not fine enough to preserve enough of the zooids to try and ID to the generic level.
I found this specimen near Lousiville, KY and believe it comes from the Jeffersonville Limestone, dated to the Devonian period
(Eifelian stage).
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