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Showing results for tags 'carboniferous'.
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A few days ago I went on a fossil hunt with @Tales From the Shale and another friend to a rock formation of Pennsylvanian age, around 300 Million Years old, in Oglesby, Illinois. We also went to a second site in the Mazon Creek area in Braceville, Illinois. Today I decided to put some of the specimens I found under a dissecting scope to see them better and potentially get a proper ID for them. Here is a little Crinoid specimen (I think it may be the top part) Here is a nodule I found at the Mazon Creek site. @Tales From the Shale Identified the specimen as possible fossilized plant seeds.
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- bond formation
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I found this rock while fossil hunting in Beaver County, Pennsylvania. The surface rocks there are Conemaugh Group. I don't know much about rocks and have no idea what this is. Please help ID. Thanks.
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Two days ago I went with @Tales From the Shale and another friend on a fossil hunting trip to a Bond Formation Roadcut in Oglesby, Illinois with rocks dating around 307-303 Million years ago, to the Pennsylvanian section of the Carboniferous era. Hadn't been back to the site since October 2022 and it was good to be back! I was pleasantly surprised at the lack of snow. But it was clear it only melted very recently judging by the arm sized icicles and the mud. (Quick advice for anyone planning to go fossil hunting at this time in Oglesby: bring snow boots to balance yourself on the rocks and mud, they will be a life saver). Found the usual brachiopods and crinoid bits at first, but then I found a 5cm long crinoid stem (the most intact one I've found so far from the area). I don't know currently what species it belongs to. We worked for two hours at the site before heading to another site in Braceville before heading back to Chicago. Today, I looked at some of the specimens I found and realized I found a lot more than I initially expected. Definitely enjoyed finding the large brachiopods (the second one I believe is a large Linoproductus). Found some Bryozoan (species unknown), the first I've discovered in Oglesby. Found a small but still pretty cool Cladodont shark tooth around 1-2cm in length. Currently don't know the species yet. Another cool Brachiopod (I think it's a Punctospirifer species). Also found some Petalodus teeth, Trilobite pieces, and bits of Peripristis. I'll post those and more detailed images of the others when I have access to my college's microscopes later this week.
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- bond formation
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crane Hill, AL -Carboniferous Wondering if any of these could be fossils such as bivalves or brachiopods or if they are limonite concretions? Y the one below looks a bit like a lingua in person, but hard to see in the pic Would it be beneficial to try to dissect the one below? Also wondering if the area of interest below could be better exposed? Thoughts if fossil vs concretion? Thanks for looking!
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Found what looks like a tooth fragment last week. I've only ever found Petalodus teeth in this formation and it doesn't quite look like those. There are no serrations on the fragment. This was found in Allegheny County, PA, is from the Glenshaw Formation and is probably out of the Brush Creek Limestone.Thanks for the help.
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Hi all, I found this fossil on a beach close to the Burren in county Galway, Ireland. It is around 6-7 cm or 3 inch, sorry forgot to put sth next to it for measuring. Would appreciate any ideas on what it might be. Thanks.
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Every facet of this specimen has me intrigued. Could this side contain fungi or flora? @JBkansas Potential Bryzoa? Ideas about the circles? Potential barnacle fragments below?
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- alabama
- carboniferous
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I need to have fresh air this morning on the coal heap,with few nice finds Alethopteris sample Sphenophyllum sp Very nice Lepidodendron bark to prep A Neuropteris plate with a cyclopteris sample(unfortunetly broke in the bag ) Another neuropteris plate And nice Sphenopteris plate And a sigillaria plate to finish
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Here’s a small hash plate from the Carboniferous of Lancashire in the U.K. I found it a couple of years ago but I have only just got around to cutting it down to a displayable size. It was part of a much larger block and now it’s about 4 inches by 4 inches. It contains a crinoid calyx, some crinoid ossicles and stem pieces and bits of coral. It is from a place called Salthill Quarry
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- carboniferous
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One of the nice things about collecting Mazon Creek concretions is that most specimens don't require any prep - they open up and are good to go. This however was not one of those cases. This concretion exploded during freeze thaw last year into hundreds of pieces, and on most pieces the fossils were still covered by sections of shale. It took around 25 hours in total to reassemble the concretion and prep out what wasn't exposed. Big thanks to Kris @Ptychodus04 for helping to finish the prep work. This is a large frond of the rare fern Mariopteris nervosa. And if that wasn't enough, there was a second layer to this concretion, containing more plants and an opisthosoma of the horseshoe crab Euproops danae. A lot more work than is usually necessary, but well worth it in the end.
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- carboniferous
- illinois
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Yesterday I stopped by another good friend of mine (Marty) that I have known for about 30 years. He has been collecting Mazon Creek fossils a lot longer that I have and also use to collect with my mentor Walter. Every once in a while he contacts me and has me stop by to pick up Mazon Creek concretions that he does not want and I go through them and place them into 5 gallon buckets for the ESCONI Braceville trip. I then bring the buckets and dump fossils for the participants. Here is a picture of the bags that I picked up yesterday. Marty also pointed out a bag of concretions that he received from Walter, probably back in the early 1980s. In this bag there were two fossils mounted on cardboard, that were given to Walter from a fellow collector that lived in Marietta Ohio. These two fossils, one is a Cyclopteris, and the other I am not sure of, or collected from the Permian- Washington formation, that is found in southeast Ohio. Pictures are below. I also looked at one other piece that was in this bag, and it came from Pitt 11. It is really cool, since it has four different fossils in the concretion. Euproops danae, Pecopteris, Neuropteris? and maybe a lycopod leaf. I had to get acetone to get rid of the writing on the concretion. When I go through the other bags, I will include some future pictures.
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- carboniferous
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Exceptional fossil preservation and evolution of the ray-finned fish brain. - Carboniferous - United Kingdom
Oxytropidoceras posted a topic in Fossil News
A 319-million-year-old brain has been discovered. It could be the oldest of its kind By Amarachi Orie, CNN, February 2, 2023 Scientists Discover 319-Million-Year-Old Fossilized Brain Amada Kooser, CNET, February 1, 2023 The paper is: Figueroa, R.T., Goodvin, D., Kolmann, M.A. et al. Exceptional fossil preservation and evolution of the rayfinned fish brain. Nature (2023). https://doi.org/10.1038/s41586-022-05666-1 Yours, Paul H.- 3 replies
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Belotelsonid donation
Sauropod19 posted a topic in Partners in Paleontology - Member Contributions to Science
Greetings, friends. I have some very exciting news on a personal front: My first ever museum donation is this Mazon Creek Belotelsonid, which is going to the Indiana State Museum! Using advice from elsewhere on TFF, I reached out to their team a couple of days ago to ask if they might want it and surely enough they did!
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- carboniferous
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This concretion opened up recently and I'm pretty stumped. My best guess is that this is a lateral view of some sort of pollen organ, but I haven't been able to find a match in literature. I was hoping someone here might have an idea? @paleoflor @RCFossils @fiddlehead
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- carboniferous
- illinois
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Hey everyone, I've been trying to plan a little trip for me and my family to go on a little fossil hunt. I live in Bartlesville Oklahoma and I have several nice places I can go to find fossils all over. Mainly mississippian and Pennsylvanian. I'm looking for areas within an hour or so drive from where I live. I'm aware of the pliestocene finds in the arkansas river in tulsa area. I'd love for someone to send me maps or geologic surveys showing what areas in the topography, and other recomendations. Places I've been to worth noting: Kaw Lake spillway, Ponca City (good shells everywhere) Bartlesville Mound (excellent source of Chrinoids and some bits of coral) Hudson lake (Bartlesville water source, 1- chrinoid calyx found, tons of bivalves and other shells) Turkey Creek, Bartlesville (uncountable amounts of horn coral)
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Appears to be several clustered together. I was thinking that it could be the base of the plant, where several stems branched off a shared rhizome (as seen in figure a). Thoughts?
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- carboniferous
- hyden formation
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Questions about any large and currently unnamed Ctenacanthiformes sharks known
Joseph Fossil posted a topic in Questions & Answers
As I have been researching large ctenacanthiform sharks from North America, I've been wondering if there are any known globally that are currently unnamed. I definitely know of the large Ctenacanthiformes Saivodus stratus (found in both what is now North America and Great Britain), the large Ctenacanthiform from the Permian Kaibab formation in Arizona, and the 'Texas supershark' (a likely large species of Gilkmanius) from the Pennsylvanian Texas Graham formation (all three as larger or larger than an adult Great White Shark (Carcharodon carcharias)). But are there any large ctenacanthiformes (at least in size comparable to a modern day adult Great white shark (Carcharodon carcharias)) currently unnamed that are also known? Ctenacanthiformes are known from North America, Greenland, Europe, Asia, and South America. https://www.mindat.org/taxon-P34476.html Even though study of Ctenacanthiformes as a whole is just starting to become more through within the past few decades, I'm wondering if anyone on the forum is aware of any currently unnamed Ctenacanthiform fossils from areas outside of North America of Great White Shark (Carcharodon carcharias)) size? -
I'm interested in this Arthropleura fossil and I just want to make sure it's legit. The seller says it's a pleurosegment from the tail of a younger individual. They also point out that there are Mariopteris remains.
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Is Cladodus part of Cladoselachiformes or Ctenacanthiformes
Joseph Fossil posted a topic in Questions & Answers
As I was recently doing some research on the prehistoric shark genus Cladodus, I came across some info that classifies the genus as a member of the family Cladoselachidae, Order Cladoselachiformes. https://en.wikipedia.org/wiki/Cladoselachidae This is somewhat confusing to me as mindat and the Paleontological Database aka fossilworks list Cladodus as a member of the family Ctenacanthidae, Order Ctenacanthiformes. https://www.mindat.org/taxon-8657177.html http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=104838 I'm personally leaning more towards Cladodus being a member of at least the Ctenacanthiformes. But I'm curious what are the origins of this taxonomic confusion on the genus Cladodus's phylogenetic placement in the Chondricthyan family? Is Cladodus a member of the Cladoselachiformes or Ctenacanthiformes? What do you guys think? -
From the album: Steinbruch Piesberg (Osnabrück, Germany)
Sphenopteris coemansii Andrae in Stur 1877© T.K.T. Wolterbeek
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Sphenopteris coemansii Andrae in Stur 1877© T.K.T. Wolterbeek
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Sphenopteris coemansii Andrae in Stur 1877© T.K.T. Wolterbeek
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Sphenopteris coemansii Andrae in Stur 1877© T.K.T. Wolterbeek
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Sphenopteris coemansii Andrae in Stur 1877© T.K.T. Wolterbeek
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Sphenopteris coemansii Andrae in Stur 1877© T.K.T. Wolterbeek
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