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Found in Paleozoic gravel alongside crinoids, corals, and gastropods. Sorry if this is just wishful thinking! Thanks. The rock is about an inch tall


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I'm leaning toward "no" as the transverse ribbing on them tend to be very tightly spaced. Unless there is a possibility of this being an impression of, say, a brachiopod, my guess is that this might be a geologic phenomenon known as "hackle fringe."

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