Crankyjob21 Posted January 7, 2021 Share Posted January 7, 2021 Some sort of badly damaged arthropod? Do not know where it was found. Wavy lined one is around 2 cm in length Thicker one which looks like a head shield is around 1 cm in diameter and one in a half cm in length Link to post Share on other sites
yardrockpaleo Posted January 7, 2021 Share Posted January 7, 2021 Could be a piece of a trilobite. Not positive, though. Some close-ups would be helpful, please. Link to post Share on other sites
Crankyjob21 Posted January 7, 2021 Author Share Posted January 7, 2021 @yardrockpaleo 1 Link to post Share on other sites
Crankyjob21 Posted January 7, 2021 Author Share Posted January 7, 2021 @yardrockpaleo Link to post Share on other sites
minnbuckeye Posted January 7, 2021 Share Posted January 7, 2021 Is that from the Platteville, or are you too far east?? I don't recognize the matrix. Part of me wants to say trilobite, part wants to claim brachiopod. Link to post Share on other sites
Top Trilo Posted January 7, 2021 Share Posted January 7, 2021 Could it be an Archimedes screw bryozoan? 5 Link to post Share on other sites
yardrockpaleo Posted January 7, 2021 Share Posted January 7, 2021 3 minutes ago, Top Trilo said: Could it be an Archimedes screw bryozoan? Not a bad guess. I hadn't thought of that. Sort of like this: 2 Link to post Share on other sites
daves64 Posted January 7, 2021 Share Posted January 7, 2021 2 hours ago, Top Trilo said: Could it be an Archimedes screw bryozoan? I was thinking the same thing with the 2nd set of pics, but figured I was wrong, so I didn't say anything. Link to post Share on other sites
Top Trilo Posted January 7, 2021 Share Posted January 7, 2021 15 minutes ago, daves64 said: I was thinking the same thing with the 2nd set of pics, but figured I was wrong, so I didn't say anything. It never hurts to throw out an idea, it is either wrong and you learn the right one or your right. Although I should say I still don't know if that is right the first pic doesn't look like it at all and I have no idea for the other item. 1 Link to post Share on other sites
Kane Posted January 7, 2021 Share Posted January 7, 2021 Trilobite seems unlikely for the “segmented” portion. You may wish to remove some of the matrix to reveal more of the fossil. Link to post Share on other sites
EMP Posted January 8, 2021 Share Posted January 8, 2021 My guess is partially buried trilobite thoracic segments (maybe the rest of the thorax is under some of the sediment), and looks like an inverted glabella + part of the rest of the cephalon. Link to post Share on other sites
fifbrindacier Posted January 8, 2021 Share Posted January 8, 2021 6 hours ago, Top Trilo said: Could it be an Archimedes screw bryozoan? I agree with that. Link to post Share on other sites
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