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  1. Wrangellian

    Ball's Falls, Ontario ichnofossil

    A member of our local rockhound club gave me this piece at the recent meeting. The only info she could provide is what's written on the label stuck to the bottom: Ball's Falls, Vineland, Ontario. Thankfully I have that particular bit of info. Can any of you Ontario folks fill me in on any of the other stuff? I gather from basic geo maps that it's from the Lockport Group (Silurian)... any way to determine the formation and which slice of the Silurian?
  2. Over the last 10 days I have made three trips to an outcrop in NY that exposes some Silurian material. After doing some research on the stratigraphic beds that occur in this unit I decided to head out and give it a shot. As soon as I showed up on the first day I found a negative of a complete Dalmanites sp. trilobite on a large boulder that someone decided to leave behind. I did not see any more than partials and brachiopods for the rest of the first day. I had much more success on the second and third day. Plenty more not pictured such as corals, brachiopods, and trilobite partials. Spent som
  3. I'm currently working on a simulation of extinct biomes, i'm slowly learning how to make everything as realistic as possible for realtime 3d simulation. I would like to start with plants recreated from some Silurian, lower devonian and upper devonian, and slowly working to recreating the biomes in the areas where they lived and later i'l like to add animals aswell. All my research is made with google i'm not a professional in archeology or 3d art, some of the models are very simple and unpolished for now and will be updated. The project is in the early stages
  4. Jeffrey P

    Rugose Coral from the Rochester Shale

    From the album: Silurian

    Enterolasma caliculus Rugose Coral- 1/2 inch long Middle Silurian Rochester Shale Burleigh Hill Member Upper Clinton Group Erie Canal Greece, N.Y.
  5. I could not resist the hilarious headline.....Enjoy! Bicknell, R.D.C., Smith, P.M., Kimmig, J. 2023 Novel Coprolitic Records from the Silurian (Přídolí) Wallace Shale of New South Wales. Alcheringa: An Australasian Journal of Palaeontology (ahead-of-print publication – in press) PDF LINK
  6. From the album: Silurian

    Ressserella elegantula Orthid Brachiopods Middle Silurian Rochester Shale Burleigh Member Upper Clinton Group Erie Canal Greece, N.Y.
  7. Jeffrey P

    Brachiopods from the Rochester Shale

    From the album: Silurian

    Coolinia suplanta Strophomenid Brachiopods Middle Silurian Rochester Shale Burleigh Member Upper Clinton Group Erie Canal Greece, N.Y.
  8. Jeffrey P

    Graptolite from the Waldron Shale

    From the album: Silurian

    Dictyonema retiformi Branching graptolite Middle Silurian Rochester Shale Burleigh Member Upper Clinton Group Erie Canal Greece, N.Y.
  9. Jeffrey P

    Bivalve from the Rochester Shale

    From the album: Silurian

    Cypricardinia sp. ? Heterodont Bivalve Middle Silurian Rochester Shale Burleigh Hill Member Upper Clinton Group Erie Canal Greece, N.Y.
  10. Jeffrey P

    Bivalve from the Rochester Shale

    From the album: Silurian

    Cornellites emacerata Pteriomorph Bivalve Middle Silurian Rochester Shale Burleigh Hill Member Upper Clinton Group Erie Canal Greece, N.Y.
  11. From the album: Silurian

    Dalmanites limulurus Dalmanitid Trilobite cephalon and partial thorax Middle Silurian Rochester Shale Burleigh Hill Member Upper Clinton Group Erie Canal Greece, N.Y.
  12. Jeffrey P

    Trilobite Cephalon and Brachiopods

    From the album: Silurian

    Dalmanites lumulus (Damanitid trilobite cephalon) Leptaena rhomboidalis (Strophomenid Brachiopod) Other Strophomenid Brachiopods Middle Silurian Rochester Shale Burleigh Hill Member Upper Clinton Group Erie Canal Greece, N.Y.
  13. Jeffrey P

    Dalmanites Cephalon from Rochester Shale

    From the album: Silurian

    Damanites limulurus Damanitid Trilobite Cephalon Middle Silurian Rochester Shale Burleigh Hill Member Upper Clinton Group Erie Canal Greece, N.Y.
  14. Darktooth

    Back to the Silurian

    Yesterday I was fortunate enough to get back to the Silurian site were I found a complete Dalmanites last month. I met up with @Jeffrey P, @Scylla and his son Grant, as well as their friend Chris who is a member of the New York Paleontological Society. I met up with them around 8:30am. They had gotten there about a half hour or so before me and were already finding things. I spent more time exploring the site then I did the last time as the fossil exposure covers a very large area. I would check out various spots, and it took awhile before I found a good spot to get settled in and do some seri
  15. Sauropod19

    Waldron Shale Bryozoan

    Hello. I was looking at one of my old Waldron Shale hash plates and noticed a round piece seemingly connected to a Bryozoan colony and was wondering if it was the “stem” of the colony, for lack of a better word, or just a coincidentally similar piece on the bottom side of the plate. It also a smaller piece attached to the side that I assume is part of the same column but wanted to ensure it wasn’t an epibiont. Thank you!
  16. aek


    Need help identifying this mid Silurian brachiopod. Wenlock.
  17. Alexthefossilfinder

    Marrellomorph or something else?

    The top picture here is of something I found. It's very small, barely measuring a quarter of an inch wide, and I can't find much on what it could be. I originally thought it may be a graptolite, but I can't find any genera that match its shape. It's similar in shape to a marrellomorph, such as the Furca in the second image, but I haven't found anything conclusive, especially being that Marrellomorph fossils are extremely rare. 2 more things: I found this when I was young so I don't know where it came from, but it most likely ranges from Ordovician to Devonian based on where I've be
  18. I was in Milwaukee for a concert last weekend and I decided that I should revisit the local natural history museum while I was there. The Milwaukee Public Museum was a childhood favorite of mine- it honestly left a stronger impression on me than the Field Museum, and there is one main reason for that: their incredible life-size reconstructions of prehistoric life. So that is where my focus for this report will be. The fossils on display were mostly casts, and nothing stood out to me as particularly notable. Near the entrance, the museum had a diorama showing paleontologists
  19. aek

    Silurian brachiopod

    Silicified brachiopod measures 2mm. Racine formation. My wild guess is Isorthis sp. but I really don't know.
  20. Tidgy's Dad

    Wenlock Weirdies.

    Hello, everybody! I have been sorting through my wenlock limestone material, Middle Silurian and have a couple of personal problematica. I am wondering if any of you brilliant folks could help me out. Here is an object which seems to be an epibiont on a Favosites coral. 5 mm long and about 1.5 mm diameter at the widest. Is it a cornulitid ? Or a single corallite of Aulopora? Something else, maybe? And another one? On a solitary rugose coral. 3 mm x 1 mm. And an example of Aulopora from Wiki to compare : And a cornulitid that looks
  21. MarcusFossils

    Gaurocrinus fimbriatus

    Absolutely stunning coloration. Originally described as Retiocrinus fimbriatus by Billings (1866?) Reference: Ausich, W.I., and Copper, P., 2010, The Crinoidea of Anticosti Island, Québec (Late Ordovician to Early Silurian): Palaeontographica Canadiana, v. 29, 157 p"
  22. Today I enjoyed a wonderful fossilhunt, searching the Silurian age Rochester shale. Our trip was led by an actual Paleontologist who works at a local museum. The main focus of today's hunt were the trilobites Trimerus delphinocephalus,and Dalmanites limulurus. Other known fossils from the site included Leplaena rhomboidalis brachiopods, tiny rugose corals, and rare graptolites. We were informed that while there were plenty of trilo bits and pieces to be found, finding whole ones were a rare occurrence. When we got to the sight some club members started finding things immediately.
  23. I was fascinated by this eurypterid fragment from Ukraine because it has a rough symmetrical pattern on the dorsal surface of the cephalothorax. There is a midline structure with apparent tracts leading to the eyes and perhaps other structures (like downwards toward the abdomen). It doesn’t look like ventral appendages of the cephalothorax projecting dorsally. This has the appearance of some internal structure, fossilized with perhaps some part of the dorsal exoskeleton removed. While very unlikely, the tracts toward the eyes might lend some support an interpretation of a neural or
  24. From the album: Silurian

    Halysites sp. Tabulate (chain coral) Late Silurian Rondout Formation Glasco Limestone Kingston, N.Y.
  25. Jeffrey P

    Eurypterid Parts from Lang's Quarry

    From the album: Silurian

    Eurypterus remipes (left) Abdomen and telson (right) Prosoma Late Silurian Fiddlers Green Formation Phelps Waterlime Bertie Group Lang's Quarry Illion, N.Y. A gift from Al Tahan
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