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  1. 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 watercolor but more opaque.
  2. 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.
  3. M3gal0don_M4n

    My fossil collection part 2

    Hi, as promised this is part two of my fossil collection. 1. Trilobite. (Bought) 2. Orthoceras (bought) 3. Knightia (bought) 4. Ichthyosaur vertebrae (bought ) Soon I’ll post part three.
  4. This is a re-post of a topic I started late this last summer, but got lost during the August forum migration. Late in July I took a trip with a few friends out to the American Fossil Quarry and Fossil Butte National Monument to hunt for fossils out of the lower Eocene Green River Formation. The Green River Formation is a lagerstatte which is perhaps the best site in the world for articulated fossil fish, many of which also display varying degrees of soft tissue preservation. Fossils from this locality are mined commercially and are ubiquitous on the fossil market. Living in Denver, the Green River Formation is only a few hours away by car and I've always wanted to plan a trip out there to collect it, which is very easy to do and fairly cost-effective thanks to numerous pay-to-dig quarries where you get to keep essentially everything you find. I decided to plan a dig at American Fossil Quarry, which is one of the more popular quarries. I managed to convince two of my friends to come with me, and we spent a day and a half (12 hours total) at the quarry while camping at the nearby Lake Viva Naughton. It was my two friends' first times ever hunting for fossils, and they both report that their expectations were far exceeded at the quarry! There's a very good chance this trip was the start of the making of two new fossil fanatics. We had a blast out in the quarry, with the thrill of discovery doing plenty to stave off the oppressive sun and desiccating dust. We also made sure to visit some of the fossil shops located in Kemmerer and spent some time at the museum in the visitor's center of Fossil Butte National Monument, which is fantastically well put together and was so awesome to see. Each of us found plenty of treasures, including lots of Knightia and Diplomystus fish as well as coprolites (fish, stingray, and turtle), scales, occasional plant material, and even a few rarer fish. Here's some pictures from our adventure: Myself posing with a very nicely preserved Knightia eocena. My two friends hard at work splitting shale for ancient treasures. A few of my day one finds on my shelf. A very nice partial Priscacara found by one of my friends. A small stingray with associated Knightia found by a different participant the first day we were there. A mostly complete Amphiplaga brachyptera (one of the rarer fish) found by me, associated with a Knighta alta. Only the tail and part of the dorsal fin is missing, the rest of the fish is intact! Easily my prettiest fish: An absolutely perfect Diplomystus dentatus found by me the second day. One of the displays at the visitor's center of Fossil Butte National Monument. Cheers, and thanks for reading!
  5. LeytonJFReid

    Unidentified fish

    These fossils were bought for me at an auction selling scrap cuts. The location and age of these fossils is completely unknown. I believe the big ones are a Knightia species but have no clue for the two small ones. There's also a weird one that might be a clam. All photos are cropped and contrasted except for one of the small ones as it only made it harder to see. Paper is college ruled, each line is 7.1 mm Knightia?: Other two fish: Clam?:
  6. I was pleased to be the winning bidder on this unprepped Knightia in a rolling auction by @Meganeura this past August. Thank you, Daniel. it was quite generous of you to offer it, along with all your other fine items. I was in no hurry to complete the prep and greatly enjoyed spending an hour with it now and then, or even a quarter- hour as it sat patiently on my kitchen table. While I envy our members with air-abrasion setups, I do appreciate the quiet convenience of pecking away at the Green River matrix whenever the spirit moves me. I began work on the skull soon after I opened the auction package from Daniel and soon found a lovely coprolite has been sitting on the fish's head for the past fifty million years or so. I'm afraid I found it rather amusing, and while the poor animal might find my attitude besmirching to its honor and an added insult to its injury, I decided to leave the attachment right where I found it. Not surprisingly, I found more fossil fish dung as I progresssed, and I've left them as found as well. I did uncover a small mass of fish bones near the top of the rectangular block, sliced by the trimming saw and mostly unrecognizable by me. I'm tempted to keep digging away at the block to see what else might be hiding there, but I'll probably just leave it as it is and move on to another awaiting project. It's not one of my best prep jobs but I'm satisfied with it and appreciate it as a snapshot of a moment in time.
  7. DPS Ammonite

    Knightia?

    I want to give this away with a correct ID. Is the a Knightia fish from the Green River Formation? Fish about 9 cm long. Thanks, John
  8. I’m planning a trip to dig at Kemmerer for Knightia and Diplomystus. Besides digging at the American Fossil quarry I also want to dig at one of the 18 inch layer quarries to get a few fossils that have a darker hue than the typical ones found at American Fossil which,I’m told, is not in the 18” layer. I don’t need to keep any rarer species that I might find. I do have a budget though and some of the other quarries seem to be 2 or 3 times as expensive as the American Fossil quarry. Which 18 inch layer quarries do you recommend?
  9. Mochaccino

    Knightia or Diplomystus?

    Hello, I recently got this unprepped Green River Fm. fossil fish to dip my toes in fossil prep, and was told it would be either a Knightia or Diplomystus. Is it identifiable at this point? I'm thinking it more resembles Diplomystus, despite the head being a bit crushed. This how it was unprepped: And here it is currently, about 8hrs prep using a blunt needle-like tool.
  10. Here are fossils of 3 fish. Two definitely appear to be Knightia in matrix from Kemmerer WY. The 3rd darker fossil has different shaped body and fins and is in a different color and texture matrix. Source unknown. Ignore the surrounding gray granite they are set into. That is part of a fireplace wall. Any thoughts about fossil type and possible location of the 3rd fish?
  11. 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
  12. 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 matrix) is a mix of......? Help! The progress pics aren't fantastic, some were taken at 2 - 2:30am. Prepping is addictive, once you start it is hard to stop Scale is in CM
  13. 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.
  14. 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)
  15. 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 Water bird tracks (possibly sandpipers or plovers) Presbyorniformipes feduccii Vernal, Utah Bird feather Aves indet. Southwest Wyoming Crane flies & Mosquitoes Pronophlebia rediviva & Culex sp. Parachute Creek Member; Douglas Pass, Colorado
  16. 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 sure about. The skull looks REALLY weird with an almost top-down view! Brings a lot of questions to my mind. Anyway, What do you guys see in this fossil that is interesting? I am open to any ideas that will help me study it. Time to study this fossil more! Jared
  17. 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
  18. Winter Hobby

    Finished product

    All done. I can completely understand the addiction. Are there reputable places to buy unfinished fossils?
  19. 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?
  20. 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 that makes me proud to show off my work?!?
  21. 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.
  22. Winter Hobby

    Identifying

    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!
  23. 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?
  24. 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
  25. 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 animals in my collection. I would be thankful for any help I get.
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