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Found 21 results

  1. PiperPaleontologist

    Western NY Arthropod (?) Fossil ID help

    Some classmates and I found these materials resembling an arthropod with a potential matching trace while having a field day a few weeks back. Due to the strange preservation and limited material, we've been struggling to ID them. We believe this looks like a partial, segmented arthropod- but it doesn't have the typical higher-quality carbonized preservation. Does anyone have any ideas? Canajoharie River - Canajoharie NY.
  2. This is the second part of my post describing my recent fossil hunting trip with @Tales From the Shale in Utica, of which it was awesome!!! So after visiting the abandoned clay pit, we decided to go to another location in Utica one might not expect to be productive - the former peabody coal company Pit 15 (or at least its outskirts), located not to far away from Lake Shannon, Kankakee County, Illinois (I'm am not going to tell the specific route or address so the area doesn't end up being picked clean). We went there as I had heard a report that a while ago, someone found a sizable Cladodus (or cladodont labeled as Cladodus) tooth at Pit 15 itself. At the top of the outskirts of the Pit was truly Beautiful!!! I expected to find simply nodules in the area. What I found instead were a staggering amount of different rocks with a descent portion containing fossils, most of brachipods though. As the area was once a mine, I've somewhat come up with a theory as to why this is - when the mines were closed, the pit was filled not just with nodule containing rocks but by all the types of rocks available in the Utica area ranging from shale to clay to limestone, likely either Ordovician or Carboniferous in age. It's still a pretty productive site and I've recently analyzed many of the specimens with a microscope and dissecting scope and I hope to get some IDs from them! Here's a possible shark spine I found there!
  3. On Saturday, I went on a fossil hunting trip with @Tales From the Shale in the area of Utica, LaSalle County, Illinois. After some time driving and looking for roadcuts, we discovered an abandoned clay bed/outcrop not too far away from the town itself. There, we discovered an absolutely massive amount of shark spines and teeth! I would like to know if anyone could properly ID some of the specimens we found!! \ This is one of the best shark spines I found at the site!!! It does look somewhat like the spine of Listracanthus, but I'm not 100% sure!! Possible Crusher plate tooth or maybe the bottom part of a large cladodont? Likely fish teeth or denticles, but I'm don't yet know what species/genus this could belong to? I really don't know what this could be? Maybe some sort of mineral or a fish head? Truly beautiful chondricthyian tooth in a clay matrix!!! However, I still don't know what specific group it could belong to? Maybe it could be a large crusher plate?
  4. On Saturday I went fossil hunting with @Tales From the Shale in Utica, LaSalle County, Illinois! We drove for some time looking for roadcuts when we discovered an abandoned clay pit not too far away from the town itself. I learned later its rocks date to the Pennsylvanian period of the Carboniferous era. There were also a bunch of nodules there too, but mostly it was stark shale and Excello shale. We opened the shale rocks up and we found a massive amount of small fossil imprints. But we also found some likely Chondrichthyan spines which I was wondering if anyone could ID the genera? This first specimen I found after breaking open a large piece of Stark Shale. I asked @Tales From the Shale for an ID and he said it very likely a Listracanthus spine. Here is the specimen under a dissecting scope!!! The striations typically seen on chondrichthyans like Listracanthus or Cladodus are more visible here, but I'm a bit unsure if these could be matched to either of these genera?
  5. Nautiloid

    Two Utica Shale sponges

    From the album: Ordovician non-trilobite fossils

    These are pretty nice pyritized specimens, despite a lack of spicule preservation. They remind me a little bit of the Diagoniella from the Beechers Beds.

    © Owen Yonkin 2022

  6. Nautiloid

    Utica Shale sponge

    From the album: Ordovician non-trilobite fossils

    This is probably one of my favorite sponges from the Utica shale. It has awesome spicule preservation, is almost 2 inches wide, and stands out from the rock much better than most of my other non-pyritized sponges do. Someone once told me this was a rare Utica Shale phyllocarid, but phyllocarids don’t have spicules lol.

    © Owen Yonkin 2022

  7. Nautiloid

    Oddly shaped Utica Shale sponge

    From the album: Ordovician non-trilobite fossils

    At first glance, this specimen does not look at all like a sponge, but the wonderful spicule preservation would say otherwise. Not sure why this one is shaped so strangely.

    © Owen Yonkin 2022

  8. Nautiloid

    Utica Shale sponge

    From the album: Ordovician non-trilobite fossils

    This specimen is not all that visually appealing, but it does have great spicule preservation. The non-pyritized ones tend to be larger and have better spicule preservation.

    © Owen Yonkin 2022

  9. Nautiloid

    Colony of Utica Shale sponges

    From the album: Ordovician non-trilobite fossils

    These aren’t the best preserved sponges I have from the Utica Shale, nor the largest, but it is the one of the largest colonies I’ve found. There are 8 specimens on one side and 4 on the back.

    © Owen Yonkin 2022

  10. Nautiloid

    Pyritized Utica Shale sponge

    From the album: Ordovician non-trilobite fossils

    This is one of my best preserved sponges from the Utica Shale. It has much nicer spicule preservation than any of my other pyritized specimens.

    © Owen Yonkin 2022

  11. Nautiloid

    Utica Shale conulariid

    From the album: Ordovician non-trilobite fossils

    This is a relatively small (~1 cm) conulariid from the Upper Ordovician Utica Shale of New York. It’s sorta weathered, but you can still make out some of the structure, especially under a more powerful lens.

    © Owen Yonkin 2022

  12. Nautiloid

    Triarthrus becki

    From the album: Nautiloid’s Trilobite Collection

    This specimen of the iconic Utica Shale species is almost complete, lacking just the left librigena. Eventually I’ll probably prep it/get it prepped. Acquired from an old collection.

    © Owen Yonkin 2022

  13. Hello everyone! I have been wanting to collect the Utica Shale for a while, so yesterday I decided to go check out a pretty popular locality along a creek near the town of Little Falls. It was super hot out so I couldn’t stay for very long, but I managed to find some pretty interesting things.
  14. Hello everyone! I’ll be doing a few posts here and there named “rediscovering New York”. Ive been doing a lot of research recently and I had massive geologic maps printed out from office max a couple months back. They are a very valuable tool. I’ve been finding a lot of potential sites from them and I may post what I find but not necessarily post the actual locality for reasons that anyone can stroll onto the forum and extract information. Since I’m in central New York...Utica, New York to be exact I started doing some searching in my own hometown. Triarthrus is known to many collectors in New York. The Utica shale has some nice exposures in the Little Falls, NY area that collectors have posted about many times on the forum. I had a feeling I could find some to the west in my hometown. Before I went to school for geology me and some friends were wandering around in the woods behind his backyard he took us to the “gorge”. All I really remember were sequences of black shale. This was at least 15 years ago. Somehow the memory came flying back to me while doing research. I had forgotten this memory for years and years. Last Friday night (day before I found that Eurypterid!! Lol) I was determined to have a look. I went to a local park adjacent to the stream in question and took a walk. It wasn’t long before I saw another hiker...... and promise The Utica shale!! This must be a different sequence than what’s found in Little Falls cause this shale seemed different from my samples to the east. I found this not long into the hike!! This was really exciting. First confirmed local trilobite in some time I presume. I don’t even know if these have ever been documented here. I have a handful of papers on the Ordovician sequences and even some specific to the Utica shale and I haven’t seen this locality reported. I also have a limited access to scholarly articles so that may be a reason too. Seeing this in a weathered block I assumed I needed to keep going up stream. I sadly destroyed this trilobite trying to reduce the block....it was heartbreaking but I knew I could find more if I found that. The march continued! I decided to try and find something “in situ”. In my past experience the Utica shales can be barren then you start seeing bits sometimes. I had to assume something was around in these shales. Then I found this negative of a complete Triarthrus. The actual trilobite washed away ugh...This was in situ and also proved they came from the local bedrock found under my feet. This was still a very exciting find for me. I took it home as proof of concept. Got it out in 2 clean pieces luckily. further down stream I found this 3/4 specimen in a block. This time I didn’t destroy the prize. This made up for the first blunder. cephalopod. Poor preservation. Found a decent cephalon in a weathered block. Got it out clean. heres a close up. In conclusion....I really need to go back and hike further. Upstream the sequence appears to open up again into some vertical walls but it’s far upstream. I need more than a Friday night to do the hike! This area is weird and appears to be used by snowmobilers and 4 wheelers depending on the season. There are trails all around so I have no clue what the land status is. It appears locals see it as a little known, little used parcel of land sandwiched between dozens of backyards. One of my other fiends that used to live in that area had a snowmobile trail going right to his own backyard. Anyway, this was a very interesting development for me. A milestone for sure. I hope I can go back and find a decent specimen. Just need to find the time to make the hike. I have so many places on my list to visit! Thanks for reading, Al
  15. Peto Lithos

    Conulariid

    I found this conulariid in a stormbed of the Utica Shale. I am not very familiar with conulariids, and was wondering if a more specific ID was possible. Unfortunately because of how the rock broke I was unable to recover the rest of the fossil.
  16. From the album: Ordovician

    Gastropod or coiled nautiloid sp.? (imprint) Upper Ordovician Utica Shale Nowadaga Creek Little Falls, NY.
  17. From the album: Ordovician

    Unidentified bivalve shell Upper Ordovician Utica Shale Nowadaga Creek Little Falls, NY.
  18. From the album: Ordovician

    Unidentified orthocone nautiloid Upper Ordovician Utica Shale Nowadaga Creek Little Falls, NY
  19. Jeffrey P

    Triarthrus thorax and pygidium

    From the album: Ordovician

    Triarthrus becki (thorax and pygidium) Upper Ordovician Utica Shale Nowadaga Creek Little Falls, NY
  20. Jeffrey P

    Triarthrus trilobite

    From the album: Ordovician

    Triarthrus becki (Trilobite) Upper Ordovician Utica Shale Nowadaga Creek Little Falls, NY
  21. From the album: Ordovician

    Unidentified orthocone nautiloid Upper Ordovician Utica Shale Nowadaga Creek Little Falls, NY
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