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Found 13 results

  1. PaleoPat

    Fish Identification

    Hi everyone, I got this fish at a mineral shop and he had no identification for it. My son thought it might be a knightia or a mioplosus. It also looks to me like it got fossilized when going to the bathroom. Can anyone help me ID it? Am I right about the poop? I'd really appreciate it. Pat
  2. Hello, I'm about to start my first experiment in preparing an Eocene fish from the Green River 18 inch layer. I've done some prep of fish from the "split fish" layer with some success. But the matrix here appears much different! I'll be doing with with a pin vice, scribe and a head band magnifier with good lighting. I could use any advice from y'all with MUCH more experience than me! Thanks
  3. aeon.rocks


    Hi all, it's my first green river fossil fish prep, i think head preped out ok, but before I start with the rest, since there are some very experience Green river preparators here, I would appreciate any tips how to preserve soft tissue parts (between ribs i.e.)!? Thank you in advance! Hope to save as much soft tissue as possible, like in example below (not sure if any colour enhancements though?). Downloaded this pic from fossilrealm web:
  4. Kurufossils

    Green River Fish Amia Head???

    Hello everyone, I'm looking for a second opinion on this piece, a fish head from the green river fauna, while I believe it maybe Amia due to comparisons I'm not to confident, any help/guidance is and will be appreciated.
  5. Hey all, I have a Green River fish I purchased many years ago. The bones mostly seem well preserved, but the fins at least (and likely all of it) was painted a dark brown and then some sort of a sealant was applied. The matrix is different from the usual split fish material, it is more like a hard sandstone (much more sturdy than the split fish layer) and it is a brownish color. Likely the fish was painted to "improve" contrast with the dark matrix. I would like to remove the paint and restore the fish to its natural condition. I have soaked it in acetone for hours (in a fume
  6. Sagebrush Steve

    Questions on Knightia Prep

    When I was at the Tucson fossil show I picked up several slabs of unprepared Green River fish from the 18-inch layer. I've been working on this Knightia and have a few questions. I only have hand tools so I have been carefully removing matrix using some pin vises with various needle tools I picked up from PaleoTools. Here's how it looks so far: First question: If you look in the areas of the anal fin and the dorsal fin, there appear to be random swatches of organic material not associated with the body. Perhaps these are regions that "blew up" as the fish was decomposing
  7. Sagebrush Steve

    Priscacara Prep from 18" Layer

    As I mentioned in a previous post, when I was at the Tucson Fossil Show I picked up some unprepared slabs of Green River Fish from the 18” layer. That prompted some of you to say you expected me to post photos as I did the prep work. I initially rejected that idea because I’m pretty bad at prepping and I didn’t want to post pictures showing how bad I am. But then I remembered some advice I once got from a manager I reported to early in my career. After I made an engineering decision that didn’t turn out so well, he told me, “It looks like your fate in life is to serve as the bad example ev
  8. ahlung62

    Is this an aspiration plate?

    I purchased the following fish plate from the Warfield Fish Quarry gift shop while on a family fossil fish dig many years ago. It looks to be a mid-sized diplomystus (about 8 inches long) swallowing a knightia. The unusual thing about this situation is that the knightia seems to have been caught tail-first!? I have never seen this before... I would like some expert opinions on whether this is an unusual aspiration or if it's just a mega coincidence where two fishes happen to be preserved overlapped in just the right position to appear that way. Any feedback would be appreciated. Thanks.
  9. I've finally gotten around to prepping some Green River fish I dug from Warfield Fossil Quarry about 10 years ago. I've identified several of them as a specific Knightia species, but I'm not sure of the correct species name. According to Paleontology of the Green River Formation, with a Review of the Fish Fauna," Geological Survey of Wyoming Bulletin 63, by Gary Glass, published in 1984, the correct identification is Knightia humilis, with K. eocaena being a junior homonym. But according to A Revision of the Fossil Genus Knightia, With a Description of a New Genus from the Green River Forma
  10. Sagebrush Steve

    Is this a Diplomystus?

    I've been sorting through some fossil fish I dug on a trip to Kemmerer, Wyoming (Warfield fossil quarry) about 10 years ago. All my specimens were taken from the split-fish layer. I discovered this piece I had wrapped up that day and never uncovered until now. Referring to my copy of Gary Glass's Paleontology of the Green River Formation, Bulletin 63, I have tentatively ID'd the one full fish as a Diplomystus dentatus, primarily because of the extended anal fin (I count about 38 anal rays, it's a little hard to tell for sure). I know it's on the small side, but am I correct? As for the tw
  11. FossilDudeCO

    Green River Fish Panel

    Prep was just finished on this lovely panel. All three fish are 100% natural. NO INLAY! NO PAINT! Wonderful panel with three fish. Notongoneous (long skinny guy) Diplomystus (big fat one) Priscacara (spiny one) This panel measures 34 inches tall x 45 inches wide.
  12. Rockchopper

    What is this thing?

    Found this strange looking object near the tail of a Green River Priscacera that I'm working on. Curious as to what it might be. It almost appears attached to the fish. Any thoughts?
  13. I had bought a handful unprepped Green river fish last week from a fellow member (Thanks Ron). The goodie package arrived Saturday morning. But all of Saturday was a crazy mess due to my girlfriend's twins birthday party. And anyone that knows trying to handle 8+ nine year olds is just short of hair pulling madness, especially when my gf decided to hop them up on a buffet of candy. So i didn't even get the chance to open the package..... Sunday i slept in (it was justified), but i remembered my box of fish. The gf and the kids were off shopping with their bday money and my 16 month old son wa
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