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Found 257 results

  1. 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
  2. Wanted to Confirm this ID

    Hi all! I found this jaw section in Wyoming's White River fm. last year and was told it was likely from a dog (hesperocyon potentially). I wanted to confirm it with some of the people on the forum as there's not a lot left on it aside from part of a tooth, hopefully someone can affirm my hope that this piece actually belongs to a canid.
  3. Hyracodon?

    Hello TFF. This was brought to me today with no location info. It looks like Oligocene White River Group. Person who brought it in said it was collected by his grandparents who took trips to S. Dakota, etc. It is pretty "beat up". My first thought was Hyracodon from the White River Group. It's not Oreodont. Teeth are heavily eroded. The matrix is more reddish than anything I have collected in Nebraska, so maybe it's from S. Dakota? Thoughts? @Nimravis, @jpc (darn blurry pics. I even used a copy stand and timer...) Labial Lingual Occlusal (lingual side toward bottom)
  4. Gastropod?

    I found this "Gastropod" shell next to turritella shells and bivalve steinkerns. Do you think this is a gastropod? I know its too crummy of quality to be able to identify species. Let me know, thanks - John
  5. tiny shell ID?

    I found this in Washington state, Oligocene era. Its quite small but doesn't have the same horizontal striations of the other bivalves I found. It has vertical striations like a scallop (not that I suggest it is one)
  6. Genus of this shell?

    I found this one next to a bunch of turritellas. It looks like a scallops design. In Washington state. I took a picture next to a quarter but it didn't show up. Its around 3 inches across and 3 1/2 inches vertically.
  7. Marine Fossil ID?

    I found this is Western Washington state in an Oligocene Era sediment. I was thinking baculite but I have no idea. Someone please help me out. I split open a huge piece of mudstone and it popped out negative and positive (so the rock on the left is the imprint and the right is the positive). A piece broke off so I had to glue it back together
  8. 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!
  9. This time let's have a look in Oligocene, one of my favorite. The Oligocene in this topic includes 2 different localities with slighlty different periods of time : Stampian (-33.9 - 28.1) and Chattian (-28.1 -23). Back in time, Europe experienced a distension at the origin of a great tear of the continental crust: the Western European rift, which produces an alignment of ditches of collapse from the North Sea to the Gulf of Lion. Lakes, with locally marine connections, occupy these ditches. The best example is the series of great Oligocene lakes of Provence. The climate is cooler and drier than in the previous era. As a result, the environment is modified: extinctions and replacements occur within wildlife. Following the refreshment, the flora has a sub-temperate character. It is thus dominated by the elements of the North European flora associated with warmer species, witnesses of earlier flora that survived the cooling. Provence at this time is covered with a series of lakes (depressions of Aix, Apt and Manosque). At the bottom of these silts were deposited on large thickness, forming limestone in thin sheets, fossilizing fauna and flora. We can discover fish, leaves, insects, and exceptionally were found crocodile, birds, bats, frogs ... The sea was close and sometimes corresponded with the lakes. The climate was tropical, from where an abundant flora composed of palms, pine trees … Finally, the Pyreno-Corsican-Sardinian massif gave way and left the sea rush into Provence, covering the lands that were previously emerged. The lakes give way to a warm and shallow sea, which I invite you to discover on the previous topic: Presentation of a Miocene outcrop form Souther France The rock is made of very thin layers which have to be opened carefully to discover the fossils. Some pictures will speak better:
  10. Oligocene Nibbler?

    I want to confirm that this bone fragment has the evidence of gnawing from a rodent or other mammal on it and if it's a common occurrence or not. Found this summer in the White River fm of eastern Wyoming. Here's both sides of the fossil-
  11. A fossil named after Burke Museum curator tells whale of a tale about evolution By Alan Boyle, GreekWire, November 30, 2018 https://www.geekwire.com/2018/fossil-named-burke-museum-curator-tells-whale-tale-evolution/ Ancient whale named for UW paleontologist Elizabeth Nesbitt Hannah Hickey, University of Washington News https://www.washington.edu/news/2018/12/10/ancient-whale-named-for-uw-paleontologist-elizabeth-nesbitt/ Newly-Described Fossil Whale Named After Burke Curator Burke Museum Public Relation http://www.burkemuseum.org/press/newly-described-fossil-whale-named-after-burke-curator The paper is: Peredo, C.M., Pyenson, N.D., Marshall, C.D. and Uhen, M.D., 2018. Tooth Loss Precedes the Origin of Baleen in Whales. Current Biology. https://www.sciencedirect.com/science/article/pii/S0960982218314143 Happy New Year, Paul H.
  12. Carcharocles angustidens 16

    From the album Sharks and their prey ....

    Carcharocles angustidens Wando River Charleston, South Carolina

    © Matthew Brett Rutland

  13. Summerville November 29 2017

    From the album Summerville, SC Fossil Hunts

    Carcharocles angustidens Summerville, South Carolina

    © Matthew Brett Rutland

  14. https://gizmodo.com/toothless-33-million-year-old-whale-could-be-an-evolut-1830739126 https://www.eurekalert.org/pub_releases/2018-11/cp-3wf112118.php https://phys.org/news/2018-11-whales-lost-teeth-evolving-hair-like.html
  15. I spent a few hours fossil hunting on two separate trips on Forest Service land in Montana. The first trip was this past spring looking for Late Oligocene - Early Micoene flora about 90 minutes outside of Missoula. The second trip was during at stint over the summer at a fire lookout tower in the Flathead where I spent just a few hours one morning looking at Devonian and Mississippian marine layers. Besides the obvious, the trips were quite different. The spring trip was a drive to a road cut on a Forest Service road while the summer trip was a seven mile hike in. Additionally the medium is completely different; flakey, brittle shale compared with big, blocky limestone. You can keep non-vertebrate fossils as long as you don't plan to sell them. Prior to heading to an area, I look through publicly available research, lectures, field trips, etc. to find possible localities. I only found limited information on possible identification of the Late Oligocene - Early Micoene flora and most of if was unpublished graduate work from a nearby site with only some overlap on species. Please feel free to correct any id's or throw new ones out! I believe these are cercocarpus, a mahogany.
  16. Summerville September 14 2018

    From the album Summerville, SC Fossil Hunts

    Carcharodon hastalis Summerville, South Carolina

    © Matthew Brett Rutland

  17. Summerville September 14 2018

    From the album Summerville, SC Fossil Hunts

    Carcharocles angustidens Summerville, South Carolina

    © Matthew Brett Rutland

  18. A new paper regarding toothed mysticetes is available online: Azucena Solis-Añorve; Gerardo González-Barba; René Hernández-Rivera (2019). "Description of a new toothed mysticete from the Late Oligocene of San Juan de La Costa, B.C.S., México". Journal of South American Earth Sciences. in press. doi:10.1016/j.jsames.2018.11.015. Niparajacetus is the second Oligocene mysticete to be described from Mexico and the southernmost occurrence of an aetiocetid-like mysticete from the Pacific Coast. I wanted to see if anyone has a copy of the this paper because there's no free access at the website for this paper.
  19. Hipposyngnathus neriticus Jerzmanska, 1968

    From the album Vertebrates

    Hipposyngnathus neriticus Jerzmanska, 1968 Menilite Formation Oligocene Jamna Dolna Poland
  20. Anthracothere Phalanx (found 2017)

    From the album Fossils From Bouldnor, Isle of Wight

    Proximal phalange from an anthracothere, probably Bothriodon based on its large size (43 mm long). Collected on the coastline at Bouldnor on the Isle of Wight in the UK. Upper Hamstead Member of the Bouldnor Formation (approx. 32 Ma)
  21. Anthracothere Tooth (found 2014)

    From the album Fossils From Bouldnor, Isle of Wight

    Tooth from an anthracothere, probably Bothriodon or Elomeryx. Collected on the coastline at Bouldnor on the Isle of Wight in the UK. Upper Hamstead Member of the Bouldnor Formation (approx. 32 Ma)
  22. Anthracothere Tooth (found 2014)

    From the album Fossils From Bouldnor, Isle of Wight

    Tooth from an anthracothere, probably Bothriodon or Elomeryx. Collected on the coastline at Bouldnor on the Isle of Wight in the UK. Upper Hamstead Member of the Bouldnor Formation (approx. 32 Ma)
  23. Bothriodon Jaw (found 2014)

    From the album Fossils From Bouldnor, Isle of Wight

    A large fragment of mammalian jaw belonging to the anthracotheriid Bothriodon. Collected on the coastline at Bouldnor on the Isle of Wight in the UK. Upper Hamstead Member of the Bouldnor Formation (approx. 32 Ma)
  24. Partial skull purchased many years ago. From Dakota Buhle { ? } Fm. About 2 1/2 " long. Ideas ?? Thanks.
  25. Large Oligocene Fossil

    This fossil was found by my uncle on the beaches of Onslow county in North Carolina. The fossil is roughly 18-19 inches long and 3-4 inches in width at its base. Any help is appreciated, ty.j
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