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Found 57 results

  1. Oreodont in situ - Nebraska Oligocene

  2. I finally got around to working on some Oreodont stuff. Last year I stopped by a friends house and bought a bunch of White River material. (my friend is going to stop by this May and bring me a bunch more). I did some work on some Oreodont stuff 20 some years ago and figured it would be fun to work on some more. I will call this skull #1. I realized at once that some of the skull was missing. Not good. I had already opened up this one and took off a bunch of loose rock and then decided to take a photo. You can see the earthquake crack in the rock and this thing was litterally falling apart all over the place. In this picture ive removed all the materail on the right of the crack including upper and lower jaw pieces. I was quite nervous but it was also fun and exciting. At this point ive use up almost an intire 2 oz bottle of super glue to hold the top part of this all together and when I turned it over, very carefully, lots of rock just came off with no prodding or nothing. The good thing was that the upper part held together and you can easily see the lower part of the lower jaws. At this point it was time for a wiskey. Here I glued back on the missing lower teeth. This thing was so fractured and falling apart the nothing really fit like it was supposed to but did the best that i could. Those extra two pieces on the left hand side also need to be glued back together and then both glued back onto the skull. Ok, bottom pieces glued back on and now set aside to cure. Tomorrow is gunna be a fun day. RB
  3. On my wife and my epic fossil trip this fall we spent a day in Nebraska in the White River badlands. Found some of the normal stuff...nothing spectacular but neat for us as we had this as a "bucket list" locality. One of our best finds was an oreodont skull. I found the nose at the bottom of a gully, and worked my way up until I found the outline of the broken bone. I dug out a volleyball-size chunk of rock and brought it home. Just finished prepping it out. It needs some reconstruction of areas around the snout that were weathered away, but all in all I am pleased with how it came out. At camp with a little rough prep to see what we had. Top view while at camp. Packed it away at this point. Underside after reattaching the muzzle.
  4. I'm looking for an unprepped oreodont skull (or skull and partial body) that somebody wants to part with. What do I have to trade? Something more valuable to some collectors than mere fossils, I am willing to trade prep time. No prep too big or too small. Anyone interested?
  5. Watch at 11:30
  6. Hi Everyone, I stumbled across this Oreodont (Leptauchenia) skull that I'm interested in. I don't see any obvious signs of restoration, but wanted to run it by you folks to get some second opinions. Does anyone see any signs of restoration that I may have missed? Thanks as always!
  7. An Oreodont in Time (1 of 2)

    Three other angles of a small skull
  8. An Oreodont in Time (1 of 2)

    This smallish skull was given to me several years ago by a high school science teacher, as a bequest. At first, I entertained the idea that it may be that of a young reptile, of a larger variety. Now, I wonder whether it is perhaps some mammal instead. Have a look.
  9. Another Brule Jaw Fragment

    Another jaw fragment from the Brule Fm. of Dakota. Oreodont ?? Thanks. About 2 1/2 " long.
  10. Oreodont skull prep

    So I bought a partial oreodont skull (Merycoidodon culbertsoni) from an auction site and i'm using it to break in my new air compressor. Here are some before and after pics. I had expected the skull to be fragile and the teeth to be pretty solid, considering how robust teeth are, but I found the opposite to be true. I've had to repair a few of the teeth as I went. They have a tendency to break apart. Luckily nothing too serious. The skull itself seems indestructible by comparison. Overall i'm very happy with how she's turning out so far.
  11. Oreodont Stand

    I've been working on a stand for the Oreodont skull I picked up at the Tucson Fossil Show. This one is an "antique" fossil that was dug back in the 1920s. I wanted a simple stand with a wooden base and a way to raise the skull up off the stand. I also wanted the mount to be as unobtrusive as possible so I didn't have wires sticking out all over the place. And I didn't want to damage the skull in any way. After trying several approaches I settled on this one using some red oak I had left over after building my fossil storage cabinet and some brass wire and bar I picked up at the local OSH hardware store for a few dollars. Here's what the finished stand looks like (I still need to make the final label): Here's what the stand looks like with the skull removed. The wires are formed so that the skull is held in place without slipping while still allowing it to be easily removed. I soldered them in place using Sn96 solder, a low-temperature solder that is reasonably strong. I'm sure you could also use epoxy. The vertical posts are brass tubing. I machined plugs to hold the bar to the posts and soldered everything together. Again, you could use epoxy. Looking from the underside, here's an overall view of how everything fits: And here's what the underside looks like from the front. The wires supporting the palate also prevent the skull from rotating or sliding around on its own. I also decided to use some museum wax to further secure it. End result is a stand that does a good job of holding the skull while still allowing it to be easily removed, looks reasonably nice, and should be stable enough to survive our typical California earthquakes.
  12. Oreodont skull

    Hi I have not been here for a while and was wondering what to look for in a good oreodont skull. Some of the ones I have seen seem to be all plaster? Not sure but any advice would be helpful.
  13. "Bingo", Oreodont!

    I took a trip to Nebraska to collect the White River Formations for the very first time this past summer. I had two goals: recover a Stylemys and an Oreodont skull. I found both! I reported on the prep of the Stylemys in an earlier post on the prep sub-forum. When I saw the Oreodont, I yelled "Bingo, Oreodont!". So that's the name I gave the animal. This post will summarize the discovery, preparation, and reconstruction of the specimen. The skull was not complete, and only about 25-30% of the animal was present, so with apologies to the "Palaeo Police" , I decided that this specimen would have a greater contribution as a display piece than sitting in a drawer with other oreodont remains (which are common and numerous). Also, if any of these bones were later found to be of scientific importance, the procedures used in this reconstruction are reversible THE DISCOVERY Bingo was spotted on the side of a relatively steep butte. The first thing I saw was the partial skull. Here it is: After exclaiming (proclaiming) "Bingo!", I left the skull and immediately went to the base of the butte and started probing and digging in the two washouts that originated in the vicinity of the skull. These re-worked deposits were yielding lots of bone elements from the posterior to the anterior of the skeleton. I even managed to recover the brain cast and pieces of the skull that had washed down. Once the re-worked deposits had been thoroughly searched, I climbed up to the skull and began excavating. The top of the snout was crushed (predation?). The brain case area was also fragmented as well as the rear of the jaw. Some of this was pieced together later from elements found in the spoil at the base of the butte. I removed the skull via a "soft jacket". Here is what was recovered:
  14. I found this fossil "oreodont skull" online, and can´t really decide if it is real or not... It looks a little bit plastic/glossy, but can´t that be some kind of treatment too?
  15. Pretty sure an some type of Oreodont

    Hey guys! Found this Oreodont skull in an old man's collection. I'm more of a dinosaur guy, and can't find any good Oreodont references. Can you help?
  16. This is a continuation that adds an additional example of the project type explored in the previous post. http://www.thefossilforum.com/index.php?/topic/80387-display-stand-project/ Moving forward with plans to construct more stands for fossil specimens, a small Oreodont skull and jaw were selected. The long term denizens of the Fossil Forum may recognize Lucinda, the subject of a previously posted prep series. http://www.thefossilforum.com/index.php?/topic/44530-oreodont-prep-series/ Here is the wood specimen selected. It is Bocote, Cordia elaeagnoides. This strongly grained wood is found on the Western coast of Mexico. It is shown with shellac applied and holes drilled to receive the brass supports. Here is a view of the shaped brass rods. The configuration selected is entirely from snolly's imagination (he is not an engineer). Other designs may be more practical and/or sturdy. This image shows the rods installed and provides a glimpse of the conceptualization of the needed support. Here is Lucinda, resting atop her newly crafted throne. Merycoidodon gracilis Brule Member of White River Formation Sioux Co, Nebraska The next project will utilize a larger wood block to accommodate Lucinda's much larger cousin, Merycoidodon culbertsoni . Here is the block being finished. The wood is "Ambrosia Maple." The designation "ambrosia" is given to various woods that have been invaded by a species of Ambrosia Beetle. The beetles bore chambers in the wood in order to create "gardens" for a fungus, their sole source of nutrition. This practice of nutritional symbiosis creates distinct patterns in the wood.
  17. Here are a couple canines that I have in my collection- What do you have? Oreodont (Left) & Archaeotherium (Right) - (Oligocene-White River Formation- South Dakota) Hyaenodon (Oligocene-White River Formation- South Dakota) Oreodont (Oligocene-White River Formation- South Dakota) Coyote (Pleistocene- River Terrace Deposit- Kansas)
  18. merycoidont lectotype

    madermerycod21257-12488-1-PB.pdf Horrible mistake:of course it's merycoidont The "click and hold option to edit title "doesn't seem to work? EDIT As somone famous once said : "I stand by the mistakes I've made"
  19. Can anyone recommend a good reference with illustrations of the skeletal elements of the oreodont Merycoidodon? I especially need pics of individual cervical, thoracic, and caudal vertebrae as well as the bones of the manus. I have a volume called "Osteology for the Archaeologist" that has photos of most of the individual bones of mammoths and mastodons and am looking for something like that for the oreodont (either a book or journal article)
  20. Intro to prep

    What tools are needed for fossil prep? I recently bought a rough oreodont in Denver as well, and where can I find dental picks to help clean that out? What other tools are helpful thank you!
  21. Found this while hiking and climbing in south west South Dakota not far from Badlands National Park. A quick google search suggested an early camel, but I'd like to know for sure if possible.
  22. Merycoidodon?

    I got this a while back, it's an oreodont haw section. I am seeking more information on it. My guess was Merycoidodon just based on pictures. Here's a bunch of pictures, I'm hoping to get as specific on taxon as possible, it says on the label it's from Chadron deposits, white river formation, 20 miles northeast of lush, Wyoming.
  23. Just a question here. For anyone who knows me, I one picky son of a gun. I ran into this the other day whilst going through some boxes of stuff. I found this many years ago while hunting in the White River formation in Wyoming with Kent Sundell. I dont want it, but my question is, is this sellable? Im not asking for a price of what it may be worth, but does anyone think that anyone may want a partial skull thats in bad condition? No lower jaws whatsoever! Just wondering? RB
  24. Oreodont jaw section

    From the album WhodamanHD's Fossil collection.

    Bought online, label reads "OREODONT JAW SECTION oligicene period 30 million years old Lusk,Wyoming....20 miles northeast of lusk....White river formation...Chardonnay deposites"
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