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Found 402 results

  1. Back to the Ohio Valley

    Hi Everyone, I took a 2 week trip to the Ohio Valley, arriving back in New York about a week ago. It was primarily a family visit since many of my relatives now reside in the Elizabethtown, KY area. However, the Ohio Valley, as some of you know, is very rich in Paleozoic fossils and I just had to make a few stops on my way there and back as well as between family engagements. I will try to share enough to give you all a gist of it: It was a long day's drive from the northern suburbs of New York City to Richmond, Indiana where I spent the first night. The next day I was headed down State Road 101 to Garr Hill, to collect in the Upper Ordovician Liberty Formation. It was my first time at the site and everything I found was collected from loose rocks at or near the base of the outcrop. A couple of pictures:
  2. From the album Nautiloid’s Eurypterids and other Silurian fossils

    Unknown sp. of brachiopod on a partial Eurypterus remipes prosoma Upper Silurian Bertie Group Fiddlers Green Formation Phelps Member Herkimer County, New York Collected 8/22/20
  3. Found this shell in bjärsjölagård

    Found this shell in Bjärsjölagård Sweden, Silurian aged. Anybody know the species?
  4. I found this section of colonial coral in the Silurian of southern Indiana. I believe it is Arachnophyllum. Specimen is approxately 9x5x3 inches. Photos views are oblique, top & side cross-section showing laminae.
  5. Hi everyone - My wife and I were thinking about going eurypterid hunting this weekend or next if the weather cooperates. I was wondering if anyone is willing to share any public sites found around the Buffalo area (I know the Williamsville member is exposed in many places around Buffalo). Of course, we would not share this info anyone. Also, if anyone will be out at a site - we could even meet you there. I have a geology background but know very little about this area. Thanks! Pete
  6. Dolichopterus walking leg

    From the album Nautiloid’s Eurypterids and other Silurian fossils

    Dolichopterus macrocheirus partial walking leg Upper Silurian Bertie Group Fiddlers Green Formation Phelps Member Collected 8/22/20
  7. Plate of Eurypterus and Pterygotus parts

    From the album Nautiloid’s Eurypterids and other Silurian fossils

    Assorted Eurypterus remipes and Pterygotus sp. parts Upper Silurian Bertie Group Fiddlers Green Formation Phelps member collected 8/22/20
  8. Silurian mollusk

    What type of mollusk is this? Oyster? Bivalve?Internal mold. Silurian Thanks for any help.
  9. I found these 2 specimens (molds unprepped) of the trilobite Calymene celebra, the official Wisconsin state fossil, in the Silurian of Wisconsin.
  10. I found this rock containing a Halysites 'chain coral' in the Silurian of Wisconsin. I soaked it in diluted muriatic acid for a few hours to partially dissolve the matrix and reveal the silicified coral fossil. Photos are before and after acid treatment.
  11. Greetings forum members! I was looking through the last rocks from my latest fossil hunt and I found this interesting piece. Its a partial Pterygotid body segment! I had broken it and I thought I had thrown it back but apparently I kept like 80% of it. I glued it back together as best I could last night and was looking more closely when I found something interesting. I’m not completely sure but I have a hunch that the one end of this fossil might have predation marks from a larger Pterygotid. Could this be true or did it just break weird when it was molted? I was wondering if anybody on the forum could help me out with this. Thanks for looking! Owen
  12. Hello all! As I’ve been taking a closer look at some of the rocks from my previous fossil hunt on August 22, I have been finding some pretty cool fossils that I overlooked at first. I am going to show some of the more interesting ones on this post. Enjoy! ~ Owen
  13. Juvenile Pterygotid mouth part

    From the album Nautiloid’s Eurypterids and other Silurian fossils

    A mouth part from a juvenile Pterygotid Upper Silurian Bertie Group Fiddlers Green Formation Phelps Member Herkimer County, New York Collected 8/22/20

    © Owen Yonkin 2020

  14. Possible partial reproductive appendage

    From the album Nautiloid’s Eurypterids and other Silurian fossils

    Partial Eurypterus remipes reproductive appendage Upper Silurian Bertie Group Fiddlers Green Formation Phelps Member Herkimer County, New York Collected 8/22/20

    © Owen Yonkin 2020

  15. Partial eurypterid with feeding parts

    From the album Nautiloid’s Eurypterids and other Silurian fossils

    Partial Eurypterus remipes with three body segments, a partial prosoma, the beginnings of both swimming legs, and the backs of the feeding parts. Upper Silurian Bertie Group Fiddlers Green Formation Phelps Member Herkimer County, New York Collected 8/22/20

    © Owen Yonkin 2020

  16. Partially covered Eurypterid cephalon

    From the album Nautiloid’s Eurypterids and other Silurian fossils

    Eurypterus remipes cephalon Upper Silurian Bertie Group Fiddlers Green Formation Phelps Member Herkimer County, New York Collected 8/22/20

    © Owen Yonkin 2020

  17. Perfectly split Eurypterid telson

    From the album Nautiloid’s Eurypterids and other Silurian fossils

    Eurypterus remipes telson Upper Silurian Bertie Group Fiddlers Green Formation Phelps Member Herkimer County, New York Collected 8/22/20

    © Owen Yonkin 2020

  18. Large Eurypterid body segment

    From the album Nautiloid’s Eurypterids and other Silurian fossils

    Eurypterus remipes body segment Upper Silurian Bertie Group Fiddlers Green Formation Phelps Member Herkimer County, New York Collected 8/22/20

    © Owen Yonkin 2020

  19. Partial Eurypterid swimming leg

    From the album Nautiloid’s Eurypterids and other Silurian fossils

    Eurypterus remipes partial swimming leg Upper Silurian Bertie Group Fiddlers Green Formation Phelps Member Herkimer County, New York Collected 8/22/20

    © Owen Yonkin 2020

  20. Large partial Eurypterid cephalon

    From the album Nautiloid’s Eurypterids and other Silurian fossils

    Eurypterus remipes partial cephalon Upper Silurian Bertie Group Fiddlers Green Formation Phelps Member Herkimer County, New York Collected 8/22/20

    © Owen Yonkin 2020

  21. Disarticulated Eurypterid

    From the album Nautiloid’s Eurypterids and other Silurian fossils

    Eurypterus remipes disarticulated specimen Upper Silurian Bertie Group Fiddlers Green Formation Phelps Member Herkimer County, New York Collected 8/22/20

    © Owen Yonkin 2020

  22. Hi Forum members, Yesterday I went to a spot in Herkimer County in search of Eurypterids! This spot exposed the Fiddlers Green Formation of the Upper Silurian Bertie Group. I had never found a Eurypterid so I was excited to go, and I had heard this was a productive spot. I got there and the first rock I looked at had an exploded eurypterid on it! There were eurypterid bits and pieces all over the place. Eurypterids seemed to be much more abundant at this spot than I thought they would be! I only got to stay there for a half an hour but managed to track down a few nice finds. The rock at this locality is hard like concrete and is pretty much impossible to split (especially the freshly weathered out material). All of my finds came from surface collecting in the weathered out rocks. Thanks for looking! Owen
  23. I found these, endocast impressions of dorsal shields of the jawless fish Americaspis americana, in the Silurian of Pennsylvania. There are 2 1/3 dorsal shields shown. A complete shield measures approximately 2.4 x 1.0 inches (6.10 x 2.54 cm).
  24. Pentamerid?

    Going through my trip bucket from a June visit up through the Silurian of the Bruce Peninsula, I encountered what I suspect might be pentamerid brachs, but wasn't entirely certain. Each of them average about 4-5 cm. Although the photo does not capture the "shine" well, the black that outlines some of them, including some of the bits, is very high gloss (like obsidian or some forms of tar). These were unlike any of the surrounding Eramosa Fm, so likely an erratic of sorts.
  25. Ostracod?

    I recently collected at an exposure of the Rochester and McKenzie Formations in Maryland. The ostracod typical of these formations is Kloedinella. While I did find a lot of those ostracods, I also found these two fossils. My initial guess is that they are of a different ostracod, Leperditia. I tried to Google to identify if Leperditia can be found in these Formations but I did not have much luck answering that question. What do you all think? Any help is greatly appreciated.
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