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  1. Gareth_

    Knightia Alta ....?

    I'm fairly sure this a Knighia alta but as always, it's best to run it past the experts I don't have a find location - some places I buy fossils from are terrible at provenance, it's just stock to sell to them. Looking at the side of the slab, there are many other fossils within too - I don't want to destroy to fish to find out what they are
  2. Hey all, it's been a while since I've been able to get near this forum - a 4 1/2 month old baby will do that though! I found this piece in a shop and the price was so good it was worth buying and having a punt at prepping it, what I could initially see was obviously a fish but on a different layer, right near the edge was something else which I have exposed that too. The fish looks a lot like Knightia eocaena, I don't have provenance on the specimen but the seller thought it was from Wyoming, which would make sense. On the lower layer (or upper layer depending on how you hold the
  3. Well, I’m finally getting to dig into my truckload of fossils from my Wyoming trip with @RJB so it’s my turn to open up a prep thread. I spent a couple hours today poking around to find the perfect fish to start with. The 18” layer never disappoints. This good sized Diplomystus has 2 Knightia on top of it. I’m going to try to save both but I’m concerned that the right hand one is covering most of the Diplo’s skull. If that’s the case, the little guy will have to go! This is after about 90 minutes of scribe work.
  4. gond

    Knightia eocaena

    Complete specimen of Knightia eocaena. Reference: Lance Grande 1984. "The paleontology of the Green River Formation, with a review of the fish fauna". Wyoming Geological Survey, Bull. 63, pp. 85-86-87 for description of the species, pp 93-95-96-100 for images.
  5. Tigereagle12345

    Help With Green River Fish Fossil

    I have recently recived a fossil fish (Probably a knightia) from the Green River formation. I am inexperienced with these fossils and have no idea how to prepare them. If someone could give me advice it would be greatly appreciated. The Fossil Outline My tools (The tool on the left is an electric engraver with air scribe tips, I have 2 fine tips and 1 chisel tip)
  6. The Green River Formation is one of the most well-known fossil sites in the world, occupying present-day Colorado, Utah and Wyoming. This Lagerstätte has been noted for its well-preserved fish fossils, as well as numerous invertebrates, plants, and sometimes even reptiles and birds. Green River fossils are Eocene-aged, at 53.5 to 48.5 million years old. Thankfully, not only are Green River fossils attractive, they also remain affordable to the casual collector. Allow me to present my humble collection. Crocodile tooth Borealosuchus sp. Southwest Wyoming
  7. Hi everyone, I made a discovery of a Knightia on August 12th, 2021 at the green river formation in Wyoming. Today, I noticed something VERY interesting. Pictures are attached, one under a high power magnifier. As you can see, this Knightia did NOT get fossilized on its side. On the contrary, it is almost a top-down view of the fish. You can see one whole eye socket, as well as a part of the other, you can see where the spine attaches to the skull, the ribs go both ways, the tail is top down, the list goes on. It even looks like there are 2 nostrils, but this I am not su
  8. Pagurus

    Fish paintings

    I'm working on some new fossil fish paintings and thought I'd share them here. I'm trying to work my way through the Green River formation fish first, though I'm sure I won't paint them all. I've only done two so far, but I'll add more as I paint them. The quality will vary, I'm sure. Here's my take on a Priscacara. and of course a Knightia: I've started on a diplomystus, and will post that soon. Thanks for looking. Oh, for those interested, I'm using gouache paints, similar to watercol
  9. 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
  10. Winter Hobby

    Finished product

    All done. I can completely understand the addiction. Are there reputable places to buy unfinished fossils?
  11. Winter Hobby

    Latest project

    From the album: Winter Hobby

    This has become very addicting. I've been using an art gum eraser with a bit of success. I'm hearing that a micro abrasion tool is the next "tool" to invest in if I want to take this to the next level. They seem a bit pricy and cumbersome. Any thoughts?
  12. Winter Hobby

    Detail work

    Unlike the soft oil-shale, I've been preparing this Knightia from a much harder matrix. It's still oil-shale but doesn't seem to flake off as easily as the other. I love how I can see the specific bones and the scale is a bonus. Here is my question to the frum: The dental tool shown in the photo is what I've been using but it doesn't seem to be able to get that final bit of matrix off. It looks like it's covered in a thin layer of dust and I'm worried that if I scratch it off, I will lose much of the detail. How do I remove the final layer and get that dark brown carbon color
  13. Winter Hobby

    New project

    I was warned that this can get addictive. My current project is 2 Knightia in oil shale. I'll post updates but I'm going slow on this one.
  14. Winter Hobby


    I'm told the middle fish is a Knightia. Any ideas about what the other 2 are? Also, When I'm done preparing this, how can I darken the fossils and seal it up? It's in oil-shale. Thanks!
  15. Raptor9468

    Green River Fish rust?

    I have prepped this fish a year ago with a needle,looking back at it with a magnifier i see some weird powder on parts of the head only.Is it gonna turn into powder and rust away,or had i carelessly prepped it to this state?
  16. Top Trilo

    Knightia or Diplomystus?

    I bought this prepare your own fossil fish either knightia or diplomystus so I could prepare something for the first time which is why it looks like this don’t judge. I was wondering two things actually, one is it a knightia or diplo? And two are all green river fish this hard? I know I didn’t do a good prep job but was the fish poorly preserved as well? It was paper thin in some places and the fish doesn’t look whole it looks like its bones got moved after it died. Oh it’s also about 3 inches from the mouth to the “end” of the tail
  17. Currently I have been trying to come up with different tips and ideas for newbies and make a video out of it to teach others about fossil collection. I would like to ask for any advice for fossil maintenance, protection, and mainly good starter choices. I would also want to request for members to post pictures of their common fossils of all sorts, so I can make a more lively video with them. Currently I plan to suggest Knightia, triceratops/edmontosaurus splitter and KK vert fossils, but I would want some advice for invertebrates because I have not yet explored those ani
  18. Mioplosus_Lover24

    My 2nd Trip To American Fossil!

    Hello all! This summer I took my yearly trip to Wyoming, and with my luck I again came back with several extremely incredible fossils! I found many less fish this time around, but I did find several more rare ones! I probably only found around 50 fish in the 3 days I was there. I found 8 Phareodus, including 2 juveniles! I found only 1 Mioplosus this year, the fish seems to be avoiding me sadly... I found 3 Priscacara, including a very large Priscacara serrata! I found an interesting Hypsiprisca preserved beautifully on an algea layer, also found several more Amia scales, but one of my favor
  19. jnicholes

    Yesterday’s finds

    Here’s a preview of what I found yesterday. I went to Wyoming for fossil trip, courtesy of fishdig.com. more pictures coming when I get home.
  20. blackmoth

    green river fish fossil Knightia?

    16cm long, looks like some kind of Nightia nut I am not sure.
  21. I am new to fossil collecting and paleontology in general. I wasn't sure if these are real, as it's almost unbelievable to me that I can buy such things for so cheap, but apparently the seller is highly regarded. I was under the impression that finding multiple things fossilized together is quite rare? Either way, I impulse bought this, along with some spinosaur teeth. What do you guys think? These knightia are from the Green River Formation in Wyoming, and according to the site, the largest fish is 3.1 inches. Any thoughts, impressions, or random information would be appreciated.
  22. Hello. I was wondering if anyone could help me with some fossil identifications. Thanks for any help. First, here is a Green River formation fish plate. I know the fish are Knightia, but I don't know how to differentiate the species. I think they are Knightia eocaena. Can anyone confirm the species? Thanks. Next, here is a shark tooth I found while digging on the Ernst ranch in Bakersfield, California. It is either Carcharodon hastalis or Isurus desori. I'm not great at telling the two apart. Can anyone confirm the species? Thanks.
  23. Hello Everyone, Newbie here from the Emerald Isle. I finally pulled the trigger and purchased my first fossil—a Green River Diplomystus dentatus with Knightia eocaena. The seller is well-known and highly regarded on this forum so I’m not necessarily concerned with the authenticity, but I am really keen to hear people’s opinions on this specimen. My apologies if this is the wrong place to post. Thanks, Robert
  24. I got this fish with some others in a trade deal the other day; I was supposed to get a mixed box of Diplomystus and Knightia, but this guy stood out for me. Doesn't look like either, and seems a bit too big for Amphiplaga. Maybe juvenile Mioplosus? Anybody? Is there another photo that can help? Thanks for looking!
  25. Basically, I put a bunch of fossil fish together in one piece . All fish that I have found at the Green River formation in Wyoming. There's a Phareodus, a bunch of Diplomystus, and Knightia. Jared
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