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Showing results for tags 'Oligocene'.
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Sawmill Branch contains fossils from more than one formation and epoch, but everything I find online says C. catticus in Summerville come from the Chandler Bridge Formation (upper Oligocene). ID references: 1. Gale, B. (2020). A Beachcomber's Guide to Fossils. The University of Georgia Press. 2. Rabi, M., & Botfalvai, G. (2008). A preliminary report on the Late Oligocene vertebrate fauna from Mariahalom, Hungary. Hantkeniana, 6, 177-185. 3. Godfrey et al. (2018). The Geology and Vertebrate Paleontology of Calvert Cliffs, Maryland, USA. Smithsonian Contributions to Paleobiology. 4. Maisch IV, H., Becker, M., & Chamberlain Jr, J. (2015). Chondrichthyans from a lag deposit between the Shark River Formation (Middle Eocene) and Kirkwood Formation (Early Miocene), Monmouth County, New Jersey. Paludicola, 10, 149-183. ID and Chandler Bridge Formation reference: 1. Bourdon, J. (2004-2008). Genera from the Fossil Record: Carcharoides. Elasmo. http://www.elasmo.com/frameMe.html?file=heim/leecreek/lc-c_catticus.html&menu=bin/menu_topics-alt.html
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With the start of 2023 I decided to take a break from my long running prep project and prepare out something smaller to start the year off. I collected several of these C. clallamensis shrimp nodules last January and in my previous experience they tend to prep well. This was one that I had split on the beach so I knew that there was a large-ish claw and hoped nodule contained the rest of the arm also. The nodule before prep Unfortunately this nodule didn't contain an arm but rather a bunch of fragmentary shell remains and one large disarticulated claw, but the claw tip glued back on nicely and I decided to have a play with shaping the matrix resulting in an interesting bowled out effect. In total the prep took about 3.5 hours with my Ken Mannion TT pen and I'm quite pleased with how much I managed to undercut the outside of the nodule without breaking it away. While not the best shrimp this was a fun prep to start off the year. Thanks for having a look
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- callianopsis
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I was inspired by another WR post and thought I'd share what I was working on today. I had a small rock with a sliver of rostrum showing (white bone). Poked at it a bit with a microjack and it just kept going. All scope work so far. Was hoping for a cranium but no such luck. No nasals either. Now I'm trying to decide how it should display and how I was to expose the cheek teeth. Here it is sitting flat. And I'm thinking I will stand it on edge for display, like so. Will have to remove the matrix on top and prep out the cheek teeth to identify. My initial guess is Paradjidaumo though based on the short incisors and size.
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- oligocene
- preparation
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Our friend @sharkdoctor sent us some micro matrix from the Old Church Formation in Virginia. This is our second batch and the first was fairly sparse but we did find some cool stuff. I haven’t searched much of this matrix but it’s already produced some nice teeth and has a better density too. There isnt, to my knowledge, any descriptions of Old Church material so my ID’s are just best guess. First pic- a beautiful little Galeorhinus tooth. Second pic- a really awesome Sphyrna tooth, maybe S. media. Third pic- a colorful Galeocerdo, I’d guess G. aduncas. I will update this I go.
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- micro shark teeth
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Hello, I think I found my first serious fossil!! Up until now, I always found invertebrate and plant fossils like echinoids and giant oysters, but recently after fossil hunting last week at my favorite spot, the San Sebastián Limestone, I stumbled upon something absolutely incredible. I was rushing to get home cause it was getting dark and the river was getting pretty cold, but I tripped over this huge stone. I saw the shadow of something stuck and quickly put it in my backpack, swam and crossed the river and bought it home thinking it was some kind of fossilized wood. It is very, very heavy. However, after checking it closely, it looks like it's actually a bone! Those are extremely rare in the island and I've never seen one, so I'm hoping some bone experts can help me properly identify this fossil.
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I want to share this amazing experience. This was in San Sebastián, Puerto Rico. The Gozalandia waterfall is one of the most beautiful spots in the island, and because of this, it is a tourist attraction. I always fossil hunted near but I never went to this specific waterfall. I live close by so I went to take a simple dip but I absolutely could not hold back the urge to fossil hunt as soon as I got here. It is absolutely beautiful! After going down the wooden stairs, I immediately started checking out the rock beds. There's even a cave under the waterfall! After just 30 minutes of checking the stones, I found a beautifully preserved echinolampas. This formation is known to preserve fossils from the oligocene and paleogene period according to https://en.wikipedia.org/wiki/List_of_fossiliferous_stratigraphic_units_in_the_Caribbean#Puerto_Rico and San Sebastián has been my favorite spot to fossil hunt. I always find many beautifully preserved specimens.
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From the album: Fin Lover's South Carolina Finds
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- angustidens
- oligocene
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From the album: Fin Lover's South Carolina Finds
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Hi all. I was was hoping to get help with this one from the community. It was found in-stream near an outcropping of Pittsburg Bluff in Clatsop County, Oregon, and downstream of some Astoria Formation, both marine sediments. I have found mollusks and arthropods in the same collecting area, usually in very hard concretions. To my knowledge no marine vertebrate fossils have been found within the Pittsburg Bluff Group so if it is vertebrate I'm thinking it came down from the Astoria Formation southwest of the area. It looks and feels like bone, and is extremely porous (tongue sticks). Or it may just be a pseudofossil. Either way, thank you for the help.
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This is a fish from germany frauenweiler, oligocene. Recently buy from ONLINE, seller says it is belong to perciformes,but I dont know the exact genus. By the way, the fish is about 6cm. Do anyone know the exact genus this fish is? Thanks for helping.
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What I believe to be a carpus of the major chela of a ghost shrimp. Not an unusual find for me, but this was found near an exposure of Pittsburgh Bluff formation where previously I have only found them in Astoria formation.
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Hello everyone! Earlier this year, in August, I went fossil hunting in the White River Formation. This jaw was one of the first specimens I found. Unfortunately when I found it, it was actually in better shape... When I found it it had obviously been out in the weather for quite some time, and so it was kind of fragile. I was not thinking, and just took it out of the ground, hoping I could put most of the pieces together later. I know it was a dumb decision, and I won't do it again (hopefully...). Along the way, I lost some parts, and so now it is not near as complete as it was. I am thinking it looks like Archaeotherium, but just thought I would ask for some other opinions. I don't know if it is possible to ID it down to species, because it is not super complete, but I would at least like to know what genus it is from. Specimen Length: About 3 Inches Location Where Specimen Was Found: Crawford, NE More specimens to come! Thanks, -Micah
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Partial Archaeotherium Jaw, Specimen #1, Photo 2/2
fossilhunter21 posted a gallery image in Member Collections
From the album: Fossilhunter21's collection
Genus: Archaeotherium Location: Our Heritage Guest Ranch, Crawford, NE Date of Discovery: 8/9/22 Image of Archaeotherium mortoni Skull: -
Partial Archaeotherium Jaw, Specimen #1, Photo 1/2
fossilhunter21 posted a gallery image in Member Collections
From the album: Fossilhunter21's collection
Genus: Archaeotherium Location: Our Heritage Guest Ranch, Crawford, NE Date of Discovery: 8/9/22 Image of Archaeotherium mortoni Skull: -
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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From the album: Fin Lover's South Carolina Finds
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- ladson sc
- odontocete
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Hello dear fellow forum members, some years ago I acquired a partial Hoplophoneus skull from the white river badlands. The seller included some small bones supposedly found in more or less close association with the skull. I think a proximal fragment of the radius, some broken metapodials and digits, something that may be part of a skapula and maybe an astragalus, all except the digits with big question marks behind my ID. And one conical thing that I cannot place, first hope was maybe a badly preserved tooth, but I do not think so any more. Any ideas? Thanks! J
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From the album: Fin Lover's South Carolina Finds
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- 1
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- angustidens
- ladson sc
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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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- 2
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- angustidens
- ladson sc
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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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From the album: Fin Lover's South Carolina Finds
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From the album: Fossilhunter21's collection
Species: Helix Leidyi Location Crawford, NE Date of discovery: 8/9/22
