My son and I found this next to a reservoir in a super crumbly wall. We gave it to the rangers (we weren’t allowed to keep, since it was on public land).

We also found this,but have no idea what it is:



I’ve asked a couple paleontologists and they also weren’t sure.

  • andyburke@fedia.io
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    16 days ago

    I am a layman with no expertise, so guage this guess accordingly:

    Fossilized bone or a fossilized aquatic tubeworm/sea cucumber thing.

      • fossilesque@mander.xyzM
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        15 days ago

        Re: the mystery piece- My paleontologist buddy says “You’re on the Cretaceous right? That is a Baculite. A cephalopod. Related to belemnites and modern squid. Nice piece. Good find.”

        I figured he’d know. It looked similar to a belemnite and that’s his thing. He goes out there a lot.

        • negativenull@piefed.worldOP
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          15 days ago

          Oh wow! That’s amazing! Given the 4 or 5 chambers in the top picture I figured was something interesting. I forgot to get a picture of it in-situ, but the sediment layers curved around it which I thought was interesting.

          Is your buddy in Colorado as well?

          I think it’s Cretaceous (especially given the ammonite we found), but the geology in that State Park is very wonky. All the sediment layers are perfectly vertical where I found the piece.

          • fossilesque@mander.xyzM
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            15 days ago

            Nah, he’s over here next to the Jurassic Coast. One of his sites, though, is out there. I think he’s comparing belemnites. He gave me a bag of them! :) I am envious of those sediment layers. I wish a quarter of my holocene sediments were so nice lmfao.