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  1. FossilNerd

    First Trip to St. Leon

    Last weekend I finally made my way up to the famous St. Leon road cut. Also known as South Gate Hill in some literature. I made the 2.5 hour drive to Lawrenceburg Indiana after work last Friday and stayed overnight so that I could be up with the sun and on my way Saturday morning. The site itself is another 20-30 minutes from the hotel. By 6am I was out the door and on the road. After a quick gas station stop I found myself at the mile long road cut. Most people come here to hunt in the butter shale of the exposed Liberty Formation fo
  2. Hey there Fossil ID. Reddit couldn't do anything for me so I came here for a chance of getting this fossils ID'd! Here are the main informations I can give you about it: It was found on a roadside shale cliff in Château-Richer, just north of Québec City (Province Of Québec, Canada); According to Québec Government geological maps, the specimen was found in the Upper Ordovician Lotbinière Formation of the Sainte-Rosalie Group (just on top of the Utica shale); Two trilobites and several (dozens and dozens) of graptoliths were found around it; There is a graptolith
  3. Nautiloid

    Edrioasteroid from Ontario

    From the album: Nautiloid’s Echinoderm Collection

    Edriophus levis from the Bobcaygeon Formation of Brechin, Ontario. This was a gift from a fellow fossil collector.

    © Owen Yonkin 2022

  4. Muffinsaurus

    Is this bone impression?

    A few weeks ago I went along AA Highway here in Kentucky and collected a number of mortality plates from the side of the road. I had cleaned up this plate and had it sitting to the side as I tried to figure out how I was going to display it. One of my cats knocked it over last night and split off a chunk that exposed this concretion looking thing that was hidden beneath the top layer of crushed brachiopod shells. Unfortunately when I picked it up to examine it, the top of this concretion looking thing fell off. It sent little fragments everywhere. When I looked back to the main part of the mor
  5. Last weekend I had the opportunity to collect in a quarry in southern Wisconsin. It appeared to cut through the Upper Ordovician Platteville, Decorah, and Galena Formations, although only the Platteville rocks were accessible. It was not the most productive trip but it was a new spot for me and I had a good time. Here's a site shot plus a couple photos of large hash plates I did not collect. The quarry was swarming with these baby frogs – I easily saw several hundred. Here are the finds I kept. Eoleperditia fabulites - gia
  6. Hunting spots unfortunately come and go. And so it will be with the site I visited this week having been one of my favorite local spot for Decorah Shale fossils it saddened me to see construction taking it away from me. So I hunted it hard and it produced fairly well. First up are a few hash plates. There was a discussion this week on whether fossils should be left in matrix or not. I decided to provide a little of both There seems to be two types of rugosa coral. One is ve
  7. Nautiloid

    Utica Shale phyllocarid valve

    From the album: Nautiloid’s phyllocarid collection

    This partial Caryocaris sp. valve is by far the rarest phyllocarid in my collection. I collected it on July 19, 2022 at a Utica Shale site in Herkimer County, NY. Phyllocarids are apparently quite rare in the Utica Shale, and they’re seldom mentioned in literature.

    © Owen Yonkin 2022

  8. minnbuckeye

    Unknown Echinoderm??

    This was discovered yesterday on an excursion into Iowa's Ordovician Decorah Shale. Initially I thought a star shaped crinoid columnal but on close examination, no lumen can be seen. The specimen is about 5 mm in diameter. @crinus
  9. 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.
  10. I collected these brachiopods from the lower Kope Formation (Late Ordovician) in northern Kentucky. I am leaning towards Zygospira modesta but was hoping for a second opinion. @Misha @Tidgy's Dad Thanks for any help.
  11. Need help identifying this pygidium. Is it Flexicalymene granulosa? Lower Miamitown. 3.5mm.
  12. In the summer of 2020 jpc and I had planned to get together in Eastern Wyoming to collect. That trip was unfortunately aborted by the coronavirus outbreak that year. This year, that conversation resumed and a new plan for a three day excursion in June emerged. I decided to make it a two week long car trip, driving all the way from New York, a longer car trip than any I've made in the past 25 years. That would afford me the opportunity to stop at some other sites on the way there and back, plus see some family. Another big reason for driving was an opportunity to visit and collect at the Big Ce
  13. It's mixed in with a bunch of edrioasteroids and starfish fossils from the Late Ordovician period in Morocco. The size of the creature is about 7cm*3cm. Does anyone recognize it? Please tell me the answer.
  14. With the 3 day weekend, I was finally able to get out for a fossil hunt! I was located mostly around Utica NY. Day 1: I started at the bottom of the ocean with a benthic Triarthus site near Little Falls. After some literally prickly encounters getting down to the river, I pulled the thorns out of myself and had a beautiful little spot! Naturally the in-tact shale was on the opposite bank, so I had a nice cool wade on a hot summers day and thoroughly soaked my boots. The voyage was well worthwhile I’ve never worked with shale this clean before. One piece was 3x3 feet, and with the sli
  15. Decalcified specimen from the Upper Ordovician of Italy. Scale bar: 5mm. It's possible to define at least the Order of this Mollusca, or it's pretentious to think so? It might belong to Gastropoda, Nautiloidea (i.e. Tarphycerida...),...? The attached image is formed by three pictures, the two on the left show the external mould, while the one on the right shows the internal mould.
  16. Trilobite Enthusiast

    Preparing Crinoids

    Hello fellow fossil fanatics, I recently found some great crinoid fossils, and I was wondering if any of you had recommendations regarding how they would be best prepared. Both fossils are in two pieces, and I bought Krazy glue today to fuse the pieces together. Since I have never done this before, is there any particular technique which allows for the best bonding? Should I separate the pieces, apply the glue, then reattach? Or should I try to have the glue seep into the seam between the pieces without separating them? The rocks both seem to be very full of
  17. I've started a gallery of trilobites of Laurentia that are in my collection. Most are from Ontario and Quebec, Canada. I'll also start a gallery of echinoderms from the same units.
  18. Ceraurus

    Kawinia sp.

    From the album: Mark Bourrie trilobites

    Kawinia sp., Middle Ordovician, Montreal, Quebec, Canada
  19. Ceraurus

    Ceraurus platytinensis

    From the album: Mark Bourrie trilobites

    Cerraurus plattinensis, Ordovician (Kirkfieldian), Ottawa, Ontario, Canada
  20. Ceraurus

    Isotelus "mafritzi"

    From the album: Mark Bourrie trilobites

    Isotelus "mafritzi", Upper Ordovician, Northumberland County, Ontario, Canada
  21. Ceraurus

    Errataencrinuroides sp

    From the album: Mark Bourrie trilobites

    Errataencrinuroides sp, Ordovician (Kirkfieldian), Ottawa, Ontario, Canada
  22. Ceraurus

    Hibertia (Paraharpes) valcourenis

    From the album: Mark Bourrie trilobites

    Hibertia (Paraharpes) valcourenis, Middle Ordovician (Chazy), Montreal, Quebec, Canada
  23. Ceraurus

    Gabriceraurus preserved laterally

    From the album: Mark Bourrie trilobites

    Gabriceraurus dentatus, Ordovician (Kirkfieldian) on a slab with 15 Flexicalymenes and some crinoid.
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