Rockwood Posted August 5 Share Posted August 5 This was found on the spoil piles at the Mazonia Wildlife Management Area in northern Illinois. It looks like fish bone to me. Please excuse the poor photos. I found it just before rain set in and am impatient to get opinions on it. Link to post Share on other sites
deutscheben Posted August 6 Share Posted August 6 Are you thinking this is fossilized? It could certainly be modern bone since it’s an active area for fishing, but a fossil would be less likely. There are no Pennsylvanian strata in the area that would preserve bone like that, so a fossil would have to be Pleistocene that got reworked. 1 Link to post Share on other sites
Rockwood Posted August 6 Author Share Posted August 6 It's definitely not modern. Here are some better photos. If there are crinoids, corals and bryozoans, why would fish bones be excluded ? Link to post Share on other sites
Mahnmut Posted August 6 Share Posted August 6 Hi, I have no idea about the local probability for fish fossil, but I see what makes you think of fish bone, the "fibrous" structure resembles the nasal of a big very weathered fish head I once found. Like your scale reference. Best Regards, J 1 Link to post Share on other sites
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