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Found 19 results

  1. Tidgy's Dad

    ADAM'S SILURIAN

    Hoooooooooooorrrrrrrrrrrraaaaaaayyyyyyyyyyy!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Here we are at last, into Adam's Silurian. Thanks for looking. First up is the Lower Silurian or Llandovery and I begin with a problem. I posted this one incorrectly in Adam's Ordovician as it had got it's label muddled up with an Ordovician Favosites I had that has vanished in the move here, but is being replaced by kind forum member @Herb Anyway, this, I remember now I've found the correct label, is from the greenish Browgill Formation, part of the Stockdale Group from a cutting near Skelgill (Skelghyll) in Cumbria, Northern England. It seems to be a tabulate coral, but I can't find any listed for this location, only mentions of small, rare, rugose corals. It has the star shaped corallites of a Heliolitidid, but seems to be tightly packed together like a Favositidid. A couple of species of Palaeofavosites seem to be close and are a bit star-shaped,, but anyone know any better? @TqB@piranha hmm who else? The coral bit, an external mold, is a maximum of 3.5 cm across and each corallite up to 2 mm.
  2. SilurianSalamander

    Platyceras?

    I was wondering if I found an external mould of the Devonian gastropod Platyceras. The fossil curves in the rock which was hard to capture with the lighting. The rock was too big to carry back and I didn’t have a ruler with me so I apologize for lack of scale. Thanks!
  3. JimTh

    Mississippian gastropod?

    Found this guy in crumbly shaley stuff, Monroe County, Indiana. The rippling shape reminds me a lot of a modern oyster shell. Closest thing I can match online is platyceras, but I don’t see any like this. The large associated crinoid plates are about 1/2” diameter for size reference. Is this worth prepping out and trying to glue together/consolidate?
  4. Hey all, Decided to hit the Mahantango today. This spot has historically produced a complete trilobite during my hunting. While my collecting has become more selective as I have to try to keep storage in mind, I did pick up a few examples that I wanted to share. This I believe is a Platyceras? While I am getting more selective on keeping heads, I particularly liked this association of a head and pygidium. I do not believe these are the same specimen as the size and angles would be off but it did make me think of the rough sediments and potential storms that entombed these two together. Here I have some enrolled Eldregeops specimens, the leftmost is missing its head but flipped over does have the connected thorax. The centermost specimen is bisected and is only what you see in the picture, the other side is simply matching the matrix. Probably due to weathering out of the rock or splitting poorly, (I found him loose among the weathered material.) Additionally the rightmost specimens are complete (or relatively complete) and each show some great detailing of the compound eyes. The three rightmost specimens were found on my previous trip. Lastly, literally my final split of the day I uncovered this little creature! While only one of his spines was showing, I carefully hit the rock and was able to remove some more of the matrix around it. Additionally I managed to grab some more general trilobite material that will be used to give to other collectors in trades or will be donated to a home where they can help shed some light on the fascinating lives of these ancient creatures.
  5. A.C.

    Platyceras

    From the album: A.C.'s Devonian Pennsylvania

    Mahantango Formation, PA
  6. I am going to go to some real sites in eastern New York tomorrow, but I decided to check the rocks by a pond near my grandparents house where I found a couple trilobites and other Devonian fauna this summer. And I found this really nice Platyceras specimen which it turned out had a brachiopod fossil attached near the bottom, where the opening of the shell would be located. I highly doubt that these two organisms are articulated and fossilized together but I thought it was interesting and worth showing here.
  7. Fossildude19

    Platyceras

    From the album: Fossildude's Middle Devonian Fossils

    Platyceras sp. Middle Devonian Hamilton Group, Windom Shale, Hamburg, NY.

    © © Tim Jones 2010

  8. Mainefossils

    Platyceras sp.

    I have a nice little gastropod in my collection, from my most recent trip to the Leighton formation. I am pretty certain that this is a Platyceras sp, such as the one shown in the plate below, figures 23 - 24. Boucot, A. J., Yochelson, E. L. (1966) Paleozoic Gastropoda from the Moose River Synclinorium, Northern Maine. Geological Survey Professional Paper, 503(A). https://pubs.usgs.gov/pp/0503a/report.pdf I do not believe that specimens such as these have been assigned to species as of yet, and would greatly appreciate to hear any insight on their taxonomy. The lifestyle of these gastropods is pretty interesting. It is thought that they attached themselves to the anal plates of crinoids, to feed on their excrement. There is some debate, though, that instead this species was a suspension feeder, or was parasitic, boring holes in through the crinoid's shell. The picture below is of my specimen. The tip, unfortunately, broke off, but the rest of the specimen is intact, though it is laterally compressed. It is from the Leighton Formation, which is Pridoli, Silurian. Thanks for reading!
  9. Mainefossils

    Literature on fossils

    Fossil forum, Good morning. I have been looking for literature on the following for a while now, and have not been successful. I was wondering if anyone already had information on the following, or can direct me to a place where I can look for it myself. Brachiopods, specifically Lingulids (classification and identification) Salopina genus ( classification and identification), this genus was moved from Orthis, for further clarification Rhychonellida (classification and identification, at least to the genus level). Camarotoechia genus (classification and identification); Strophomena genus (classification and identification); Gastropods, specifically Platyceras (classification and identification) Bivalves, specifically Modiolopsis and related genera (classification and identification) Ptychopteria genus (also known as Actinopteria). I am also interested in the fauna of fossil formations in northeastern Maine, specifically the Edmunds, Eastport, and Leighton formations. Thanks in advance!
  10. Fossildude19

    Small Mid-Devonian Hash Plate

    From the album: Fossildude's Middle Devonian Fossils

    Small plate with an Eldredgeops rana cephalon, crinoid stem/columnals, ostracods, and a Platyceras sp gastropod. Middle Devonian Hamilton Group, Smoke Creek, near West Seneca, NY.
  11. Nautiloid

    Platyceras from the Kalkberg Formation

    From the album: Lower Devonian Helderberg Group in Eastern NY

    Platyceras spirale Lower Devonian Helderberg Gr. Kalkberg Fm. Rickard Hill Roadcut Schoharie, New York Collected 5/31/20
  12. From the album: Lower Devonian Helderberg Group in Eastern NY

    Partial Platyceras spirale from the Kalkberg formation.
  13. From the album: Lower Devonian Helderberg Group in Eastern NY

    Platyceras robustum from the Kalkberg formation.
  14. From the album: Lower Devonian Helderberg Group in Eastern NY

    Platyceras robustum from the New Scotland formation.
  15. From the album: Gastropods and Bivalves Worldwide

    3x On a hash plate from the north pit at Hungry Hollow, Ontario along with brachiopod and crinoid debris. Arkona Shale Formation, Givetian, Middle Devon.
  16. minnbuckeye

    Platyceras

    Does anyone know what species of Platyceras have been found in the Cedar Valley Formation/Devonian of Iowa??
  17. Ludwigia

    Platyceras bucculentum

    Sitting on a Dolatocrinus crown.
  18. 4 specimens on a hash plate together with crinoid and brachiopod debris.
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