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  1. PRK

    Phareodus sp.

    Detail of skull and teeth of juvenile Phareodus specimen that I collected at Carl Ulrich Quarry back in the early '70s when he used to let visitors collect with him.
  2. Flower Green River Formation, Parachute Creek Member Douglas Pass, Colorado. Radar Dome area. Denver Museum of Nature and Science. When I first saw this flower, I walked right past it thinking it was a dead flower laying on the rock. I'm glad something in my head made me go back and take another look. I realized that this specimen was rare and asked the Denver Museum if they were interested in it. They were, and the donation was made.
  3. This juvenile stingray is an Asterotrygon . The body is covered with denticles and the tail is thicker than that of a normal Heliobatis. References: M. De Carvalho, J. Maisey, L. Grande (2004): Freshwater Stingrays of the Green River Formation of Wyoming with the Description of a new Genus. Bulletin of the American Museum of Natural History, Number 284, 136pp., 53 figures, 7 tables.
  4. Tony G.


    From the album: Green River Formation. Parachute Creek Member. Douglas Pass, Colorado

    Larvae from Parachute Creek Member of the Green River Formation. Douglas Pass, Colorado.
  5. So I've been trying to do some research on the fossil flora/fauna of the Parachute Creek member of the Green River formation and so far I can only find the following reference mentioned as representing any kind of significant effort to catalogue the fossils: "The Eocene Green River flora of northwestern Colorado and northeastern Utah, HD MacGinitie - 1969 - University of California Press". The problem is, it is out of print and not even listed on the U of C Press site. I found a copy available from a book seller but I'm not sure if it's worth the money to buy it sight unseen. I already ha
  6. I flew in from Southern Florida, FossilDudeCO drove in from Colorado & we set our sights on the town of Kemmerer Wyoming. He'd been there before, I had not. He made arrangements for us to hunt a private quarry & we cracked some rocks! Here's our story in pictures. Following the quarry owner to his mine On top of the mountain finally able to see the quarry.
  7. Greetings! I found this the other day. They just don't look right to me. They're awfully dark, and seem to have eyes even. I'm not thinking of buying, just testing my judgement. Real of Fake? Unfortunately this is the only photo I have.
  8. Hey everyone, Long time no see, hope everyone has been doing well. I was hoping you guys might be able to give me some recommendations for a trip I'm planning next month. Right now my plan is to head to Kemmerer and look for some green river fish, and then head to salt lake city for a couple day. Next I was looking at going on to Delta to hit up U-dig for trilobites, and then heading to Moab before finally heading home to ND. So I guess my questions would be what quarry would you guys recommend in Kemmerer? Is U-dig worth it or is there a better quarry in that area to visit? Does anyone have
  9. The Wyoming State Geological Survey recently made public a link to Grande's out-of-print paper entitled "Paleontology of the Green River Formation with a Review of the Fish Fauna" Bulletin 63. Link is below: http://www.wsgs.uwyo...s/docs/B-63.pdf Thanks to the WSGS for making this paper available electronically!!!
  10. I had to share this one even though it is difficult to make out under layers of rock. It is my first Green River Crock, and the first ever crock from the Dempsy quarry area in Wyoming. It has a 2/3 complete, articulated skeleton and at minimum, complete lowers (I have also drawn in what we assume is the upper skull. The first picture shows the articulated skeleton and where the skull and lowers were before removing the lowers. The second picture shows a cross-section of one lower jaw. The skull is just over 3 feet long. This crock was found this weekend in the Fossil Lake section of the
  11. Hi all, I wish to get a Green River flower or feather. The entire fossil, including matrix, shouldn't be larger than 3" by 3". I can trade you one of my fossils (I've got amber, iridescent ammonites, croc teeth, edmontosaurus teeth etc). Thank you.
  12. This is quite an odd find but I'm pretty sure it is a Knightia eocaena. The spine has a weird curve in it, which looks like a bite pattern...
  13. DeepTimeIsotopes

    Green River Fish Prep

    After I have removed excess matrix from the fossil, what are my options for finalization of the prepping?
  14. Melissawow

    Diplomystus. dentatus

    From the album: My fossils collection

    Diplomystus. dentatus from Eocene period Green River Formation in Wyoming USA
  15. jualhadun87

    Green River Fish Prep Kit

    Hello! I wanted to share and get advice on my preparation of a Green River fish fossil purchased in a kit. I have never done anything like this prep job before and I am hoping to learn on this piece so I can work on some nicer pieces. Here is the kit as it came in the mail: And here is the contents of the box. Most of it is fluff (a book mark, window sticker, some random fossils in a bag etc) and the tools are obviously the most basic available. The "multitool" is an acid brush with a nail hammered into the end and some material stuff in the handle to hold it in place. It also has a "
  16. ottawafossil101

    Green River Fish Plate And Mystery Fossil

    Hello, I have a question that might only be able to be answered by speculation. I recently acquired a Green River, Wyoming fish plate (knightia) which is pictured below. It is an awesome piece and it seems like i'm always noticing something new. When I got it, i noticed there was a bulging area on the 'backside' of this plate that had been chipped away to reveal what looks like a fossil. The layer revealed is the same color as the knightia fish and has a unique texture. The bulge raises above its surroundings approximately 5-7mm and the overall diameter of the area is about 4-5 inches
  17. Hi Guys, Just thought id get an opinion or two on my fossil fish from the Green River's "18 inch layer". It's an 8 and a half inch Diplomystus Dentatus that i bought for 75 bucks from an ebay seller who prepares all his fossil fish himself. There was no mention of paint/restoration in the description and the guy seems very reputable but i can't help question if it has been painted. I would ask him myself but it's a bit weird to say "hey mate, you know that fish i got from you like 6 months ago? Yeah, um, was it painted?". So that's why i am asking here. What do you guys think? I've put close
  18. Hello all. This is my second post, so still a noob. I'm very happy to have found this forum to help learn about fossils and preparation - I've already read a lot of very helpful information. I've recently purchased and prep'ed my first fossil - a prisca from the green river formation. It was a lot of fun and good practice. I then purchased a large Diplo and have started working on it. So far the diplo (which is much larger) seems more delicate - fine bones and very thin tissue between the bones (ribs?). But so far so good. The only area on the prisca that didn't turn out great (for a f
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