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  • Jennifer Bauer posted an image in the group Group logo of Cincinnatian CollectorsCincinnatian Collectors from the myFOSSIL app 5 years, 2 months ago

    5 years, 2 months ago
    5 years, 2 months ago

    Good sized cephalopod from the Cincinnati region. C5 sequence from Peebles, Ohio. Any identification suggestions from my friends in the Cincinnati Arch region? #fossil

    • Well, the C5 sequence has an abundant number of Treptoceras duseri. This is an orthocone nautiloid that fits your description and photo. Identification from internal molds like this is not foolproof. Using a photo is even harder. Try having a browse of publication USGS 1066-P and compare photos to your specimen. Here’s a link to the downloadable PDF. https://pubs.er.usgs.gov/publication/pp1066P

    • @bheimbrock – thanks for chiming in. That’s what I identified several others as from this region but I wasn’t sure about this one. It was much larger than the rest. Thank you for the link!