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Showing results for tags 'Oligocene'.
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29 million-year-old nest of fossilised grasshopper eggs found
pachy-pleuro-whatnot-odon posted a topic in Fossil News
The rather amazing discovery of an underground nest of about 50 fossilised eggs of an insect in the grasshopper-lineage (orthoptera) has been discovered in Michell, Oregon, at the John Day Fossil Beds National Monument. It's dated to the Oligocene-period, at 29 million years old, and is truly spectacular for its preservation. Insect eggs rarely preserve, and little information exists on the evolution of grasshopper-relatives. So finding a nest full of them is an amazing discovery! CNN-report here, original article here.
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From the album: Fin Lover's South Carolina Finds
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From the album: Fin Lover's South Carolina Finds
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Hello all! My new year's resolution includes finally working up the gumption to post here and not just continue to scroll and read with awe! In late 2022, my partner and I were with a small, lovely group in Nebraska, scouring the White River Badlands. We found three partial oreodont upper skulls, a good amount of teeth, jaw fragments and assorted bones. We also found what I believe is an oreodont endocast, and a tooth from a cat (perhaps smilodon related?). An incredible prepper located in South Dakota worked on these oreodont partials and far exceeded our expectations. Thanks everyone for sharing all of your incredible work around this forum and for giving a novice like me a place to share as well! Partial One (shown in inches) Partial Two Showing what I nearly stepped over on the ground, as it appeared in situ. Here are those same teeth I saw just sticking out through the ground, now cleaned up. Partial Three Endocast (apologies, no ruler in sight) Cat Tooth
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The first fossil mammal in my collection: a partial jaw of Merycoidodon sp.
gond posted a topic in Member Collections
Hello everyone, even though I haven't reached 35 fossils in my collection like I hoped for this year, I still managed to close 2023 with my 34th fossil! The one I'm going to show you today is, in fact, this 34th fossil, which is also the first mammal fossil I've ever owned Species: Merycoidodon sp. (Leidy, 1848) Size: ~3.0 cm long Age: 34-23 mya (Oligocene, stage indet.) Origin: South Dakota's Badlands (USA) About this fossil: a partial lower jaw of this genus, with four nicely preserved teeth. I personally like how, in this specimen, the matrix is still present, which helps to keep the two parts together and just makes the fossil look nicer
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Finally got my compressor and air scribe set up, and am now getting to work on the concretions I gathered over the summer and fall. Just to see if I could do it, I took a crack at the smallest one I knew had a crab in it, at barely more than 3 cm wide. My friend lent me a scribe with a smaller bit than the one I bought 3 months ago, and it handled itself pretty well here. Did ding the carapace a handfull of times, but pleased with the outcome of this first crab venture. Prepping one this small was stressfull, so I'm looking forward to working on larger ones that don't demand as much precision.
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Thought I’d start a thread documenting the preparation of a large Testudo tortoise we collected in Eastern Wyoming this summer. We were guided by expert @jpc I highly recommend hiring him as a guide not only for his knowledge and talent, but because he’s a really good guy and fun to collect with. Here are a couple of shots of the excavation and flipped plaster jacket.
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From the album: Fin Lover's South Carolina Finds
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- chandler bridge formation
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A Poebrotherium camel skull from the White River of Nebraska
Xiphactinus posted a topic in Fossil Preparation
I just finished the initial prep of a cute little Peobrotherium camel skull we found this summer in the panhandle of Nebraska. It was found upside down with the bottom of the mandibles exposed and in pretty crumbly matrix. It was pretty fractured. It's a beautiful skull and I will do some final restoration at a later date. Thought I'd share with the group. In-progress photos:
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Summerville, South Carolina.
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From the album: Fin Lover's South Carolina Finds
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Despite not really feeling up to hunting yesterday (I'm getting discouraged by my finds lately), I decided to go while the weather was still decent. And when you are not expecting to find much and/or set the bar pretty low, it makes it easy to exceed your expectations and have a pretty good trip. Here is what I brought home: First up are the odontocete fossils: My first ear bone ever: And a vert and related piece of bone that were sitting together under an uprooted tree: That's it for cetaceans, but that is pretty good for one trip for me. Other verts (not in good shape, though): Burrfish mouth plates (also not good condition): Ray mouth plate pieces and my biggest tail barb so far: Random osteoderms and bone pieces (I keep less than half of the bones I find): Various steinkerns, which I try to limit now as well, but the spiraling ones are cool: Gator tooth that was still partially in matrix: Fish jaw with teeth (maybe...let me know if you recognize it): Crab claw, I think: What I believe is my first piece of petrified wood here (again, feel free to correct me): And, of course, shark teeth: My best Great White so far: My first Angel shark tooth (shoulder and tip of crown are broken): A cool looking tooth - posterior sand tiger I believe: And the rest of the teeth (including a couple broken threshers, a barracuda, a sawfish/sawskate, etc.), which I won't show individually: As always, I wish my body could have handled a few more hours of hunting, but between little rain (no new wash-out), low creek water levels, rising heat, and health limitations, I think it turned out to be a pretty good haul. And no speeding ticket this trip! Thanks for reading!
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From the album: Fin Lover's South Carolina Finds
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- odontocete
- oligocene
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From the album: Fin Lover's South Carolina Finds
Why can't they ever be perfect?!-
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Found this in Goshen Oregon, not sure what formation it falls under, I have only heard it referred to as North Goshen Flora. I have read it has been dated to the Late Oligocene. Wondering if anyone recognizes what it could be. I know Pinus, Quercus, Hydrangea, Acer, Plantanus, Cinnamomum, and Sassafras have been identified in the formation, perhaps it is a seed or flower from one of those? Thanks for any help. Please be kind, I'm new and just looking to learn.
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From the album: Fin Lover's South Carolina Finds
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- angustidens
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Request for identification of Oligocene fruit or seed from Aude (France)
aldo66 posted a topic in Fossil ID
Hello, I am counting on your knowledge because I cannot identify this fruit or seed found in the oligocene (site quite close to Armissan - Aude) in the company of many plants. Size 33mm Thanks in advance
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I recently saw a 1.2cm long Oligocene mammal jaw from South Dakota, judging by the coloration of the specimen from the Brule Formation, up for sale. The jaw is referred to as Leptictis haydeni, but the description states it to be from a primitive weasel. Moreover, I have never seen any Leptictis material for sale and the dentition looks as much like that of the relatively similarly named but much more common Leptomeryx than any leptictid. Thanks in advance for any guidance Othniel
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I recently saw these Oligocene canid teeth up for sale, found somewhere near Brooksville in Florida, but they were not identified to a genus or species level. Thanks in advance for any proposed IDs Othniel
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"Wie het kleine niet eert, is het grote niet weerd!" goes the Dutch saying (who does not appreciate the small, isn't worthy of the big). Three small fossils, any help with the ID's? The brown one looks like a bulla to me, from a dolphin maybe? No idea about the other two. All found on the Dutch coast, on the same location. Mammal bones on this location are from the pleistocene and holocene, shark teeth and bones from fish and sea mammals (dolphins and whales mostly) are from the eocene-pliocene.
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My younger son Mel just led his first fossil trip of the year on our Eocene/Oligocene M&M Ranch in Nebraska last week. My sons, Mel and Marco Jr., are starting to get back from their prepper some of the fossils that they found on our ranch in 2018. Not all fossils go to the prepper. Mel preps some of the specimens himself. Below is a picture of the specimens Mel found in 2018 that he will prep. Here are a few pictures of 2018 specimens just back from the prepper. Mel found another saber cat in 2018 that is in prep. Below are a saber cat skull found by Mel and saber cat skeleton found by Marco Jr. in previous years on the ranch. They have found seven or eight so far on the ranch. I'll probably be going out to the ranch a couple of times this year. However, I spend most of my time at the ranch taking matrix that contains micro squamate, bird, amphibian, and mammal specimens. I'm currently working with seven researchers on this micro material. Marco Sr.
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Hello everyone Couple of unusual finds for me from diving in the Cooper River, near Charleston, SC. This river cuts through Oligocene to modern deposits so it can be tough to ID finds. The first looks like a Castoroides sp? broken beaver tooth? The shark tooth has a U shaped root, no serrations on the blade, and has cusps that appear to have a gap between the root and blade. Looks like a cusped P. Benedeni or possibly an upper lateral sand tiger (based on looking through elasmo.com). Doesn't look like an O. Angustidens or A. Grandis to me? I've seen a few cusped Benedeni's identified on the forum and was curious if that is what I found Thanks for looking
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As a professional woodworker I have a soft spot for anything "tree" but this might take the cake. Not 100% but this does seem to be a petrified burl, I have never seen such a thing but me and my woodworking buddies have fantasized about it more than once. Any input to confirm or deny would be appreciated, though this is one of those cases I'd almost rather believe regardless of the reality, call it my Santa burl. Came out of oligocene deposits near Eugene Oregon
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From the album: Fin Lover's South Carolina Finds
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Hi all! I love W.R and Oligocene fossils. Both prepping and looking at them. So i thought maybe its time to see what everyone else has collected out there. So let’s see pictures of what you’ve got! Heres a few of mine!
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