Buzz Posted January 15, 2023 Share Posted January 15, 2023 This was found in a back yard in central Wisconsin among dozens of cobblestone type of rocks. I took photos of all sides of it. What is it? Link to comment Share on other sites More sharing options...
Opabinia Blues Posted January 15, 2023 Share Posted January 15, 2023 Not a bone, but a nice big hunk of fossil tabulate coral! 1 2 “The worse the country, the more tortured it is by water and wind, the more broken and carved, the more it attracts fossil hunters, who depend on the planet to open itself to us. We can only scratch away at what natural forced have brought to the surface.” - Jack Horner Link to comment Share on other sites More sharing options...
Rockwood Posted January 15, 2023 Share Posted January 15, 2023 I wouldn't rule out Chaetetid sponge without a closer look. 1 Link to comment Share on other sites More sharing options...
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