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Found 18 results

  1. Okay so I found this specimen at the Taughannock Falls in Ithaca New York. I found it at the edge of the gorge which consists of shale, composed of slit and clay that fell onto lime mud and hardened into rock. I've done some research and it appears to be a Brittle star trace fossil formed by their arm grazing the sand floor. Although, these Brittle Star fish traces are known as "Pteridichnites biseriatus" and they have only been discovered so far in upper Devonian shales out in western and eastern Virginia. I'm not an expert but to my knowledge the Ithaca geological formation is Devonian and was slowly covered by sand. Is it possible that the Brittle Star fish once roamed in the ancient sea now known as "Taughannock falls" today? Because a research team is trying to find this specimen and they are wondering if anyone has discovered it. Edit: Im referring to the dotted trackway. check this link out for more information. http://www.wvgs.wvnet.edu/www/news/Pteridichnites.htm
  2. Raysun

    Possible footprint?

    Found in Luna County New Mexico. Looking for an identification, hoping it's a footprint.
  3. RetiredLawyer

    Another trackway update

    I’ve made a lot of progress. I have one large main section and a smaller section that I still haven’t gotten connected up. The red circles are the manus (front) tracks that Dr Klein wanted me to be sure I got. I’m still digging out more tracks but the rocks have gotten smaller and more irregular. The individual pictures are what I’ve found in the last couple days. Dr Lucas is coming in September to take what he needs for his research
  4. RetiredLawyer

    Update on chirotherium trackway

    I’ve made a lot of progress on the reassembly. One more large satellite piece to join to the main body. Pictures don’t show the tracks very well but give you an idea of the scale. About 17’ long. Hope to get back to digging (and efficiently marking the slabs this time) in the next few days.
  5. RetiredLawyer

    Biggest track I’ve found

    Found this today. It will eventually hook into the new trackway. By far the biggest I’ve found. Dr Lucas was very excited, which for a paleontologist is remarkable lol. Attached an update on my reassembly.
  6. Dr Lucas and Dr Klein have been looking at my track photos. Looks like I have summer plans lol. The reassembling is coming along pretty good. I was smart and marked my pieces. Unfortunately the markings washed off. I used both paint pens and construction crayons but apparently there was still too much dirt despite my efforts to brush it off first. Next up, a metal scribe. I’m learning.
  7. aplomado

    Is this a tetrapod trackway?

    My father pointed this possible trackway on a sandstone paving stone on his front walk. I don't know the source of the rock. It looks clearer in person than on the images. There are several possible tracks in sequence- I took a picture of the only one that looks mostly complete (last image, with quarter). Other pavers in the path have odd marks that look sort of like drag marks from vegetation, bubbles, or worm or crab tracks. (not pictured on this post). What do you all think?
  8. Hello everyone! Today I ventured out to the Mazonia-Braidwood State Fish and Wildlife Area for my first time, and it was… something. This post is going to serve as both a journal of my day, and as a request for assistance as I try to figure out what exactly a concretion looks like. Once I got my permit outside the office (which is just down Huston Rd a bit from the IL-53 and Huston Rd intersection; this is for people like myself who struggled to find an address or location of the office), I headed to Mazonia south unit, where I went to fossil hunting site 3. There were not really any exposed rocks here, so I went deeper into the brush. I spent two hours picking up random rocks that looked remotely orange and red, until I realized that I was probably looking for the wrong types of rock in general. I had seen a ton of pictures online of concretions from Mazon creek, but all of them were of the fossils people found on the inside, which left me befuddled about what the outside looked like. I walked around until I found a place with cell service and planted myself on rock so I could watch a couple YouTube videos of people who had visited the area before. I learned a little about what I should be looking for, but I was still very confused. I managed to find the rock below, which looks vaguely like a fossil and gave myself some false hope, but I believe it’s probably just the way minerals formed on the rock that are deceiving: As morale dwindled, I made my way back toward the parking area and decided to walk a bit down the road. I found a neat little skull in a ditch as I was walking: As I kept going, I started stopping at some small exposures within a few feet of the road, and that is actually where I saw what I now understand to be the nodules I should be looking for. It was one of the two below: It made me feel a bit better that I found an actual concretion, as I went much of the afternoon without seeing any rock exposures. I have come to believe that fossil hunting site 3 may have a dearth of concretions, though I may be incorrect. Anyway, after finding the first concretion, I found a few similar rocks. However, I’m not entirely sure if they are potentially fossil containing material or if they’re just rock: They all have the dark red sections that I associated with iron, so I took them with. That is about the extent of what I grabbed that I thought were concretions, though I realize now that not all of those are even concretions. As I was wrapping up a mostly forgettable day, in the last roadside stop before my car, I came across this: I asked elsewhere on the interwebs and was informed that it might be a trackway, which I would think would be from an insect. However, if it is something else, please do let me know. Regardless, I was thrilled with this. I didn’t know what it was, but I did know it wasn’t something I had ever collected. In fact, today was the first day I have ever collected fossils from organisms that lived on land. It more than made up for the cold, gloomy weather and the disappointment I had experienced earlier. Just make sure to know generally what you should be looking for before you get there, unlike me. Now to my big question. How do I differentiate concretions from any regular old weathered rock? Are they typically round to some extent, as I see on others’ posts, or do they sometimes occur as jagged shapes? Are spherical rocks more likely to be regular rocks, whereas concretions are generally flatter in a dimension? I understand their shapes and sizes are diverse, but are there any patterns that tend toward a concretion over any a generic rock? As I finish up this topic, I do have one question about the two oval concretions I showed in my hand. Are the theoretical fossils inside the “egg” shape that lies inside the shell, or would they be on the outside of the egg shape? In other words, once I remove the rest of the shell from each of them, do I do the freeze-thaw cycles on the rock inside the shells? Thank you for reading and helping, and I apologize for all the questions!
  9. RetiredLawyer

    Paleontologist visit

    Had a four day visit from Spencer Lucas and Hendrik Klein to study my track finds. Lots of photography, made tracings of the tracks. They took a few truckloads of slabs for the New Mexico Museum of Natural History and Science and will be coming back to collect the large trackway. It was a fascinating week.
  10. I found these Rhynchosauroides trace fossil trackways well-defined in the Triassic red bed sedimentary deposits in the Newark Basin in southeastern Pennsylvania. Lincoln cent shows scale.
  11. I have recently been looking at some of my photos from trips and found photos of when I was in Alberta in 2018. I saw a photo of a Hadrosaur footprint from a trackway in Dinosaur Provincial Park that me and my brother found. I also read not to long ago that no big trackways have been found in this area so I decided to give the information and location to the Palaeontologist at the Royal Tyrrell Museum in Drumheller, Alberta. I was responded by Dr. Caleb Brown, he told me that I was most likely right and it was probably Hadrosaur. I am currently waiting for him to reply again to see what he thinks about the other information of the trackway and footprint that I gave him. One of the footprints outlined in the photo with pen.
  12. 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.
  13. If you are ever in Alaska and want to check out something cool this paper reports details of a unique association of hadrosaur and therizinosaur tracks found in the Late Cretaceous lower Cantwell Formation, Denali National Park, central Alaska Range, Alaska https://www.nature.com/articles/s41598-018-30110-8
  14. I am considering buying this fossil offered online but it's NOT on our "favorite" auction site- just straightforward purchases. I really like this, and it's not QUITE up to what is not affordable for me. It is offered as an arthropod trackway in hyporelief.
  15. Oxytropidoceras

    Ireland's Carboniferous Fossils

    The strange creatures that lived in Ireland millions of years ago, RTE Radio, Wednesday, 13 Nov 2019 https://www.rte.ie/brainstorm/2019/1113/1090543-the-strange-creatures-that-lived-in-ireland-millions-of-years-ago/ 385-million-year-old footprints in Co Kerry represent turning point in evolution, Michael Dorgan, Irish Central, June 7, 2019 https://www.irishcentral.com/roots/valentia-island-tetrapod-footprints Yours, Paul H.
  16. The race to rescue 95-million-year-old dinosaur footprints from the elements in the Queensland outback. Belinda Smith for The Chase, ABC Science, Australian Broadcasting Corporation https://www.abc.net.au/news/2019-02-14/the-race-to-save-wintons-dinosaur-footprints/10578212 Winton footprint fossils saved from floods By Belinda Smith on AM, Australian Broadcasting Corporation https://www.abc.net.au/radio/programs/am/winton-footprint-fossils-saved-from-floods/10810194 Related paper is: Romilio, A. and Salisbury, S.W., 2011. A reassessment of large theropod dinosaur tracks from the mid-Cretaceous (late Albian– Cenomanian) Winton Formation of Lark Quarry, central-western Queensland, Australia: a case for mistaken identity. Cretaceous Research, 32(2), pp.135-142. https://dinosaurs.group.uq.edu.au/files/2119/Romilio_Salisbury_2011.pdf https://www.researchgate.net/publication/222618836_A_reassessment_of_large_theropod_dinosaur_tracks_from_the_mid-Cretaceous_late_Albian-Cenomanian_Winton_Formation_of_Lark_Quarry_central-western_Queensland_Australia_A_case_for_mistaken_identity https://www.researchgate.net/profile/Anthony_Romilio Yours, Paul H.
  17. Nimravis

    Tetrapod Trackway

    Nothing to add.
  18. Nimravis

    Arthropod Trackways

    Nothing to add.
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