New Members PBR Posted December 27, 2023 New Members Share Posted December 27, 2023 I found this specimen in Kenosha, WI on the shores of Lake Michigan in 1969 and have never been able to identify it. The backside contains what I believe to be Dichograptidae graptolites. Has anyone ever seen a similar specimen? 1 Link to comment Share on other sites More sharing options...
grandpa Posted December 27, 2023 Share Posted December 27, 2023 Welcome to the forum. Link to comment Share on other sites More sharing options...
ted coulianos Posted December 28, 2023 Share Posted December 28, 2023 I think what you have is a water-worn lateral section of a crinoid stem, and what looks like a graptolite is probably a section through a rugose or horn coral. Pretty common in the Great Lakes region, along with Petosky stones (Hexagonaria) and Favosites corals. Hope this helps, and welcome to the Fossil Forum. 3 Link to comment Share on other sites More sharing options...
New Members PBR Posted December 29, 2023 Author New Members Share Posted December 29, 2023 I believe you are correct. Thanks. PS. The graptolites I mentioned were not the horn coral. Unfortunately, they are not clearly visible in the photos. Link to comment Share on other sites More sharing options...
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