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Lake Michigan Fossils


anmiller86

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I was hoping for a little help with what I've got. After reading around on the forum I do believe I've identified some of my fossils, but not all.

Image heavy, as I've got 4 fossils. On picture #2 here, the odd small shape in the middle is baffling me, not sure what that guy is.

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Edited by anmiller86
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Last but not least. I think brachiopods and crinoids from my reading around here? But these last few have something that I read about and promptly forgot last night. It looks like a coral or something, but it's so tiny.

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Edited by anmiller86
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I'm no expert, but to me they look like water worn hash stones (a conglomerate from an ancient sea bed also called a death plate/stone). I think the round thing in the first pictures looks like a crinoid segment. Lots of brachiopods in these and I see bryozoans in the last ones. But we will see what the experts say that know Lake Michigan! :)

The more I learn, I realize the less I know.

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I'm no expert, but to me they look like water worn hash stones (a conglomerate from an ancient sea bed also called a death plate/stone). I think the round thing in the first pictures looks like a crinoid segment. Lots of brachiopods in these and I see bryozoans in the last ones. But we will see what the experts say that know Lake Michigan! :)

I agree with Bev. I find stones like these on the shore of Lake Ontario. Because of the erosion, you get cool-looking shapes. The circles are generally crinoids, the last ones are byrozoans, and the brachiopod in the middle of post #2 may have enough detail for a rough ID. Many of the shapes are cross-sections, "slices" through shells and whatnot that give weird and wacky shapes at the surface. I've seen some experts here identify cross-sections, but when they're so worn it's a crapshoot.

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The plan is to go hunt for more and see if I can get any with a little clearer fossils. I'm so excited to have four fossils though, it's taken me kind of forever to get. Thanks with the identifying help, I'm learning a lot already!

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