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Categories

  • Annelids
  • Arthropods
    • Crustaceans
    • Insects
    • Trilobites
    • Other Arthropods
  • Brachiopods
  • Cnidarians (Corals, Jellyfish, Conulariids )
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    • Jellyfish, Conulariids, etc.
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    • Gastropods
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    • Amphibians & Reptiles
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    • Other Chordates
  • *Pseudofossils ( Inorganic objects , markings, or impressions that resemble fossils.)

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  1. Steph

    Asterosoma?

    Found in Crane Hill, AL (Carboniferous) Could the (presumed) burrows be part of an Asterosoma sp? Thanks for looking
  2. Hi all! I’m considering buying this specimen which is identified by the seller as dinosaur prints from Connecticut, but first I wanted to make sure it’s what it claims to be, and not an instance of pareidolia or similar. I also was curious whether anyone here could offer some additional info on the prints—any guesses on age, formation, more specific locality, ichnogenus, etc.? Thanks in advance. I’m very excited to buy this if none of you have any bad news to offer!
  3. Good morning guys! I really need some advice for one specimen of trace fossil from Triassic, there's here someone experienced in the subject to help me on an identification? I would post here the images but I prefer to have a private conversation about. I apologize in advance if this is not the right section to post this. Thanks to everyone!
  4. I was cleaning up my Platteville finds from last fall and came across this. It in all likelihood is an ichnofossil but if anyone have additional thoughts about it, please reply!! The Platteville has plenty of trace fossils but I have yet to see one with this appearance. Would love to have an idea of it's maker.
  5. Rogue Embryo

    Upper Ordovician ichnofossil

    From the album: Camille's fossils - Georgian Bay Formation

    Field collection by Camille Martin, August 25, 2011

    © Camille Martin

  6. Rogue Embryo

    Upper Ordovician ichnofossil - bifungites (?)

    From the album: Camille's fossils - Georgian Bay Formation

    This dumbbell-shaped ichnofossil measures about 7.5 cm long, including the terminations -- considerably longer than the Ordovician and Devonian bifungites specimens described in Pickerill and Forbes, "Bifungites of Halli from the Ordovician (Caradocian) Trenton Limestone of the Quebec City Area" (1977). Field collection by Camille Martin, May 28, 2018

    © Camille Martin

  7. TyrannosaurusRex

    Texas Permian Hunt

    In my continued studies of my local Permian areas, I came across information on a site that I hadn’t been previously aware of. I’m working on a paper describing the outcrops in the areas near to Taylor, Baylor and Archer counties, as well as some close outliers when I come across them. Information on this site Clear Fork (Permian) 298.9-251.902 mya Lots of siltstone at this specific site, which is why there are tracks present. All the fossils came from an area about 10 x 15 ft in an outcrop that has weathered away, there’s lots of siltstone surrounding but the fossils were
  8. Earlier this year I was fortunate enough to meet up with @digit in Gainesville Florida where he very graciously provided my wife and I the opportunity to do some matrix fossil hunting in a local stream. We sieved for a good long time collecting many nice shark and ray teeth as well as other items out of the large portion. At the end we nearly filled a five gallon bucket with gravel that we ran through essentially window screen in the creek to get out the silt and clay. My original trip report can be found here: http://www.thefossilforum.com/index.php?/topic/114209-north-florida-
  9. While I am out in the badlands of the San Juan Basin, I keep an eye out for the trace fossil known as Asthenopodichnium...lozenge shaped overlapping pouches or cavities found in petrified wood. My first encounter with it was a number of years ago in an outcrop of Upper Cretaceous Menefee Formation. I threw a chunk of wood, with this very interesting texture, in my bag and took it home. Perplexed by what it might be, I showed it to Spencer Lucas at the New Mexico Museum of Natural History. He was happy to see this specimen and we discussed the theories of what it might represent, as it is not f
  10. From the album: Lando’s Fossil Collection

    Scoyenia spp. burrows from the Triassic Pekin formation of Sanford, NC.

    © Lando_Cal_4tw

  11. Hello everyone! ive got three slabs of prints created by an unknown prehistoric animal (if it’s even created by an animal) that had been in my collection for quite some time now. Since I’m on the forum and still requires a proper identification for it any identification help from ichnofossil experts are much appreciated! Here are some pictures of the fossils but since the prints might not be that clearly seen I uploaded some other pictures highlighting the “lumps” or the pattern made by the print. Hope that helps.
  12. Hello all, Here are a few Diplichnites incertipies specimens that I found on a 2019 expedition in Nova Scotia. It is illegal to collect fossils in NS without a permit, however all the fossils found at this site (see large arthropluera tracks and tetrapod footprints in prior posts) have been brought to the local museums attention. Stay tuned for more! I hope you enjoy, FossilsNS
  13. A giant undersea sand worm’s fossilized lair by Eleanor Imster, EARTH, EarthSkyOrg, January 28, 2021 In 20-million-year-old rock off the coast of Taiwan, researchers have discovered what they think is the fossilized burrow of a giant, predatory sand worm. https://earthsky.org/earth/scientists-find-evidence-of-giant-predatory-sand-worms the open access paper is; Pan, YY., Nara, M., Löwemark, L. et al. The 20-million-year old lair of an ambush predatory worm preserved in northeast Taiwan. Sci Rep 11, 1174 (2021). https:// doi.org/10
  14. Bradley Flynn

    Upper Devonian trace fossil ID

    Hi all So I took some pictures of some very interesting trace fossils. They are found in the upper Devonian, frasnian, Witteberg group, Swartruggens formation. Is it possible to get an identification on these?
  15. Hi all! I found a rock that commanded my attention while goofing off at a friend's house along the TN River. I thought I saw trace fossil like marks on the large rocks we were crawling on but they were very worn. Then I spied a much smaller piece, covered in algae and plant matter, that had very pronounced markings like I was seeing on the large rocks but also some broken lines that were very curious. The markings extend down the side of the broken rock and there are some deep "dotted" lines that are at near 90 degree angles as well as some shallow "dotted" lines that follow the natural curve
  16. Took me a little while to post this trip report, I'm always a busy person. This trip is from October 3rd, 2020 in Ellsworth County, Kansas at a reservoir. The predominant formation at the site I visited is Kiowa formation; which is known for marsh and delta environments in the early Cretaceous (Albian). I found some interesting things and I'll show below. Possibly some carbonized wood materials. Lignite or coal? It was flaky and would crumble if touched. It left some black powders on my hands after handling it. I found several large pieces of them together and partly encased in con
  17. I have these fossils here from the early Jurassic, Northamptonshire. I was wondering if the one on the left could possibly be a coprolite, or some other fossil, although most likely not. It does stick to the tounge. I also have these bumps on bits of rock, and was wondering if they could possibly be due to bivalves? And lastly, a slightly curved thing that has equal thickness which I have no clue what it is. Many thanks
  18. TheShrifter

    Zoophycos?

    Hey all. Found this sort of trace fossil I'm assuming, in some shale shelves. My initial thought was Gryphaea but it lacks the proper lines and structure to be a shell. Now I'm leaning towards Zoophycos. Can anyone confirm if it is zoophycos, and help with the morphology of this specific find? I'm under the impression that zoophycos morphology changed throughout the ages, and I'm trying to reverse ID the age of rocks I found it in since the geological maps of my area are extremely vague and lack detail. Let me know if more angles are required for this ID.
  19. Darbi

    Burrow?

    I'm wondering if it's a fossilized burrow or some form of ichnofossil. Notice the depression from the opposite side of the burrow-like projection. Dakota Sandstone formation and Cenomanian in age.
  20. I recently moved into a house with some friends on our university campus, and this nice cabinet was included right past the front door. So of course I had to put together a little museum! These are just the fossils I have on me at this time, but I’ll probably pick some more up to add next time I visit home or if I go on a hunt soon. I tried adding some fun blurbs with a couple that I felt had some really cool information hiding in them. If there’s any specific part you want to see, or if you have any fun suggestions, let me know!
  21. StevenJD

    Dinosaur Tracks

    Thought I would share some of my Acrocanthosaurus tracks in my collection from Texas. These are from the Glen Rose Formation. Anyone who has dino tracks, please feel free to post them here on this thread too...would love to see them! The associated pair are big...both over 20 inches long.
  22. Spoons

    Worm Borings?

    Hey everyone just wanted to check in with you all and see how you are doing. I also wanted to inquire about these Worm Borings/Concretions, and what our members consensus might be. Maybe our resident concretion collector @Ruger9a would be able to help me out. Anyway, here are the pictures: Here is a photo of the excavation site:
  23. CYLINDRICHNUS CONCENTRICUS TOOTS IN HOWARD, 1966(TRACE FOS SIL) IN ITS TYPE LOCALITY, UPPER CRETACEOUS, WYOMING Allan A. EKDALE & Sherie C. HARDING Annales Societatis Geologorum Poloniae (2015), vol. 85: 427–432. doi: http://dx.doi.org/10.14241/asgp.2015.018 asgpichnolspecissueekdalefestschri85_3_507_514 (2).pdf
  24. AlexanderNovick

    Ichnofossil?

    Found in the southern Adirondacks.. Northeastern Lake George. At about 600-700 feet above sea level. The stone itself measures about 12x14 cm.
  25. FluffyElectric

    Possible Devonian trace fossil?

    Hi, newer member and fossil newbie, went on one of my first fossil hunting trips recently at a locality I learned about in part from this forum, so thanks. Found a piece of stone with (what I'm 90% sure is) most of a trilobite on the left, but the stone also had a rounded streak through the middle. Does anyone know if this some form of trace fossil, or just awkward shaping of the stone? The piece is from the middle Devonian and Needmore formation of West Virginia, and the streak is roughly four centimeters long.
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