Phidippus audax Posted May 22, 2023 Share Posted May 22, 2023 Found in creek bed in Northern St. Charles County, Missouri. It's interesting... don't think it's just a rock. Maybe just an impression (or whatever it's called, can't remember proper term), or if it's one or more things. Help with ID would be very much appreciated! Also, please let me know if photo quality is not sufficient or if anyone has any suggestions for future post. Link to comment Share on other sites More sharing options...
Ludwigia Posted May 22, 2023 Share Posted May 22, 2023 I'm not sure what it is, but it's neither ammonite nor brachiopod. I'm tending towards ironstone vein. 2 2 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
doushantuo Posted May 22, 2023 Share Posted May 22, 2023 I can see where Ludwigia is coming from,hematitic concretion/nodule can not be excluded 1 1 Link to comment Share on other sites More sharing options...
Phidippus audax Posted May 22, 2023 Author Share Posted May 22, 2023 6 hours ago, Ludwigia said: I'm not sure what it is, but it's neither ammonite nor brachiopod. I'm tending towards ironstone vein. Oh wow. I hadn't even considered because of the size & smoothness. I have found small nodules, more textured, in the same creek bed! Link to comment Share on other sites More sharing options...
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