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  • Jacob Grant posted an update in the group Group logo of What is it?What is it? 3 months, 1 week ago

    3 months, 1 week ago
    3 months, 1 week ago

    Hello! I’m fascinated to learn anything about this fossil I found in a creek bed just south of Dayton, Ohio. No ruler in the photo, but my thumbnail measures 15mm across if that’s any help. Love to hear your thoughts!