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Lafarge Holcim Cement Plant in Paulding Ohio continues to provide a near perfect solution between safety issues within a quarry and the desires of fossil hunters to check out a quarry's material. They graciously and continually provide fossil laden Silica Shale just outside of the quarry for us to play in ANYTIME we want!! Such was the case as I traveled back to Ohio for an "after Thanksgiving" Thanksgiving at my sister's home in Lima. I was able to spend a little over an hour picking up some representative fossils. Brachiopods abound as do trilobite pieces. I did manage a large sized, almost complete roller. But what I enjoy the most at this site is the epibionts frequently found on other fossils! Check out the inarticulate brachiopod, Pentrocrania, attached to a large brachiopod. It is unique in that its surface takes on the ribbing of the brachiopod underneath of it. A form of camouflage??? Neat for what ever reason it does this.
I found these items while working through the calcareous shale my wife and I collected from Paulding Ohio this summer. This material is primarily from the Devonian aged Silica Shale. I found one and didn't think too much about it, a fragment of fish/trilobite/shell or something else perhaps. Then I found a second which looked similar and so I did some prep and was able to expose more of each piece. These are small (those are mm's on the scale) with the biggest one being about 10mm by 12mm and the smaller one a little over half that size. They don't look like anything I'm familiar with nor could I find any matches in numerous books or online sites. I know the pictures are not ideal and they are embedded in the rock, so nothing from the side or underneath (first two pictures are the same one). They are very dark in color like much of the trilobite material. Oh snarge, it just dawned on me. Are these hypostomes? I don't think I have ever seen one before. Maybe I answered my own question, but I typed all this already so I'm going to post it just to make sure. Thanks, any ideas would be appreciated. Now I see a thread from 2011, so yes, these are hypostomes, but I'm uncertain on which species it is from. Looking for examples from Eldredgeops and Pseudodechenella since those seem to be the genera present in the Silica.
Here is a prep series of a tiny Pseudodechenella lucasensis from the Mid-Devonian Silica Shale that I found in Paulding, Ohio, yesterday. Not complete, but not a common find, so I am very happy with what I got. I'm probably going to restore this by sculpting the genal spines, etc. 1. Farm Fresh 2. Roughly exposed with pin vice. 3. More cleaning with pin vice. 4. Final product after air abrasion with dolomite. 5. This is a tiny one...
Whelp, patience pays off. I got a new species for my Paulding list today: Basidechenella lucasensis Since this photo was taken, I've exposed all of the fossil. Most of it is there except the left librigena and left side of pygidium. I'm very happy with it, nonetheless. I'll post pics when the prep is complete. I won't post all of today's finds, but here are a couple other highlights (for me at least ): Not sure yet if this is Stropheodonta titan or Megastrophia concava, but this is a nice monster that will prep out nicely. This is a really nice horn coral, because it is large and complete from the tip of the base to the tip of the calyx. It will prep out beautifully.