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Found 11 results

  1. Mochaccino

    Green River Formation Larva?

    Hello all, Need help ID this insect larva from the Eocene Green River Formation of Colorado. It's 1.5cm long, about 2cm if outstretched. As far as I can tell it has a series of large, bulbous protrusions spiraling along the length of its body, and one end has a sharp taper/point, though I'm not sure if that's the head or tail end. It has a very distinctive look so I feel like it would be recognizable if it's something that's been described before. Any help appreciated, thanks.
  2. Tigereagle12345

    Green River Fish, Knighta or Diplomystus?

    I recently finished preparing a fish fossil from the Green River formation that I purchased online. The site said that the fossil would be either a Knighta or a Diplomystus. From looking at images, the face seemed to look like a Diplomystus but the body seemed more like Knighta. Could anyone tell me which it is? Thanks in advance, Tigereagle12345 Measurements are 11.5 cm by 2.5 cm
  3. 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)
  4. So this is my 1st time on the trade forum, so I hope I'm doing it right. I have this partial green river formation Eohiodon fish that is about 6 inches long that I self-collected from the split fish layer and I would like to trade it for dinosaur fossils. The fossils that I would want would be tyrannosaur teeth partials, and fossils from the Hell Creek and Judith River formations. Here are the pictures of the fish.
  5. I have been trying to find a few oz. of vican. I can't find it anywhere, is there something else I can use and where to find it? Thanks Dave
  6. Wanted to show this phareodus encaustus prior to preparation that my daughter found during our Father's Day night dig in the 18" layer in the Green River Formation in Kemmerer, WY. The team with us, and some experts looking at it after, now suspect that it is aspirated, perhaps with a notogoneus. Having it examined by xray prior to preparation as we may end donating this one to Fossil Butte Monument if it is what it looks like. Phareodus is every bit of 24" in length or longer. The best Father's Day gift was the sheer joy of my 9 year-old daughter upon her discovery. We
  7. Jack96067

    fossil fish ID reference

    I got back from Kemmerer with a dozen fish fossils from the Ulrich quarry. I have not been able to find a reference book to describe field marks for identification. I would appreciate any suggestions. Thanks in advance.
  8. Starting to prepare specimens from Green River Fm Split Fish Layer. Several are quite thick - up to 2-inches. I would like to split them further but the pieces seem a lot harder than when collected. Presuming this is because they are much dryer (collected in early June, rock still very moist). Questions: 1) Is the dryer rock likely to split less cleanly than it did when moist? 2) Will re-hydrating* the rock make them easier to split cleanly? 3) Even if it does, is re-hydration likely to loosen the fossil on the upper surface of the rock? I could just experiment bu
  9. PaleoNoel

    Find du jour!

    During what I like to call the fossil hunting off-season for folks up in New England you sometimes manage to find something sitting beneath your nose ever since you first found the piece. (i.e. a tooth or shell you missed in a conglomerate or an odd little vertebra you forgot you found at a microsite etc.) This is a similar case where it was only today that I found this tiny insect in some of the material I brought home this summer from Douglas Pass, Colorado (Green River fm. parachute creek member). I hadn't noticed the front of the body and legs until a few hours ago when re-examining the le
  10. WhodamanHD

    Asineops squamifrons

    The information on Asineops is scarce so I thought I'd do some research and make it publicly available. Asineops squamifrons is a Eocene fish and an incertae sedis. They are rare and are most commonly found in a fragile layer of the green river formation at smith hollow quarry. They can be found in fossil lake or lake gosiute. Fossil lake ones are bigger but rarer. I don't know the maximum size on these but I would guess 7-12 inches. Their scales a very distinctive in shape. According to Rosen and Patterson (1969) it may represent a intermediate between acanthopterygians and paracanthopt
  11. Harry Pristis

    Priscacara serrata

    From the album: BONES

    Family PRISCACARIDAE of Eocene freshwater boney fish. This example, at about 7.25", is about average adult size. The largest reported is about 15" long. The name translates to "serrated primitive head." (This image is best viewed by clicking on the "options" button on the upper right of this page => "view all sizes" => "large".)

    © Harry Pristis 2012

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