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Categories

  • Annelids
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  • Brachiopods
  • Cnidarians (Corals, Jellyfish, Conulariids )
    • Corals
    • Jellyfish, Conulariids, etc.
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    • Other Chordates
  • *Pseudofossils ( Inorganic objects , markings, or impressions that resemble fossils.)

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  1. Marco90

    My trilobite collection

    Not just teeth and shells: my fossil collection also includes trilobites, the real protagonists of the Palaeozoic era. The first is a beautiful specimen of Morocops ovatus. Detail of the cephalon area:
  2. Hi! Looking for help with IDs & also What is this type of fossil called (counter-impression? cast?). Specimen from Crane Hill, Alabama. Thanks for looking Pics 1-plate overview- several potential invertebrates? 2- Potential invertebrate? Some of my newbie guesses: Trilobite (side view) Eurypterid- can’t find definitive info about if locale only had the giant type Crinoid (eg saggital view) Bryzoan Gooseneck barnacle- not sure when these appeared 3- same critter, different angle 4-other invertebrates
  3. Found last week in small stream in my yard south of Bham, AL which contains mainly early/mid Paleozoic era and potentially some late. This specimen resembles a crab fossil specimen from AL, but the time period doesn’t match up. Encyclopedia of AL Thus, what could it be? IMO, does not resemble the pics I find for Eurypterus pinchers. Another possibility is that it could have been mixed in with landscape river rocks rocks uphill from the stream?
  4. I saw this chunk on a sales table at the recent Rendezvous of BC rockhound clubs here on the Island. Had to have it, though I keep telling myself to avoid fossils with no provenance. Anyone recognize it or have any hunches as to ID and especially location of origin? I guess somewhere on the eastern half of the continent... It appears to be a mix of cherty and crystallized composition. Whoever owned it before didn't treat it very kindly (lapidary types)... Apparently there once was a label of some sort glued to the top, and the rough saw cut which I hope to flatten better and polish s
  5. Found in yard after heavy rain storm. The last photo is prior to cleaning off thick clay -like coating. I may have overdone it. Thanks for looking:)
  6. SilurianSalamander

    Paleozoic fossil from a gravel pit

    Burrow? Coral? Bryozoan?
  7. I think it looks shockingly similar to charnia. Maybe a cephalopod, snail, or plant? What could it be?
  8. One of my friends has a Whitfieldoceras specimen from the Ordovician of Wisconsin. He asked me if I knew anything more about it. I didn't and didn't see much online. Does it have a record outside the Ordovician? Is it found elsewhere in the U.S./the world? I have the same question about Beloitoceras. He has one of those from the same site. I think I have one from a Minnesota site somewhere but couldn't find it. Is it known from elsewhere and did it survive beyond the Ordovician? Thanks, Jess
  9. Helicoprion

    Bottlecap-shaped Paleozoic Fossil

    Can someone please identify this fossil for me? I found it in Broome County, New York and I believe it to date from the Paleozoic era as I found it in association with bivalve fossils which means the fossil in question is likely a marine species and New York was underwater during the Paleozoic.
  10. I'm working with Dr David Campbell on possible fossils found associated with the Murphy Marble Fm in Western North Carolina. In 1973. Don Hathaway was logging cores at the Nantahala Limestone Quarry when he found what looked to be organic remains in a couple of cores cut into the Murphy Marble Fm. The age of the Murphy Marble is enigmatic, because of the lack of fossils in it, and it doesn't have the minerals that could be used to determine radiometric ages. The metamorphic grade of the marble and associated formations are garnet to staurolite grade. It's believed that these units were metamor
  11. Hi everyone! Last weekend I took a couple of days off work for my birthday and I decided to visit a fossil spot in the ardennes which was recently recommended to me because there was a chance to find fossils of primitive plants as well as devonian fish (which is one of my main interests within the hobby). The site is relatively close by as well which was a huge plus as it only took an hour to drive. The fossils in this location date back to the late Devonian, Famennian to be exact (372.2 million years ago to 358.9 million years ago) After searching for a 45 mi
  12. Dasha

    Coral or sponge?

    Hi guys! I was in the Warsaw Geological Museum and there I came across this specimen which reminded me of Tabulate coral, but it was signed as a "sponge"... The sponge from the "maastrichtian age", when Tabulata already was extinct. I couldn't be more confused. This one still looks like coral to me. What do you think?
  13. Misha

    Orbiculoidea

    From the album: Misha's Middle Devonian Fossils

    Orbiculoidea sp. inarticulate brachiopod Givetian Windom Shale Mbr. Moscow Fm. Deep Springs Road Quarry, Central NY Self Collected
  14. Just a note that James Cullison's 1944 monograph on the rocks and fauna of the upper Lower Ordovician of Missouri and Arkansas is now freely available for download or perusal at https://archive.org/details/paper-cullison-1944-the-stratigraphy-of-some-lower-ordovician-formations-of-the This publication has always been devilishly tough to get a hold of. A nice systematic paleontology section deals with the many gastropods and other mollusks as well as the less diverse brachiopods, trilobites, and sponges. The monograph covers the following formations as currently accepted in Missour
  15. Hi, I'm looking for help locating a plate that seems to be inexplicably missing from the online version of a classic trilobite paper. The plate I'm seeking is PLATE XXVI (26) from Lehi Hintze's 1952 paper Lower Ordovician trilobites from western Utah and eastern Nevada. Utah Geological and Mineralogical Survey Bulletin 48: 249 p. The only online version I've found, which seems to be missing plate XXVI, is here: https://ugspub.nr.utah.gov/publications/bulletins/b-48.pdf If anyone has access to a paper copy and can post a scan of PLATE XXVI (26) here
  16. While doing security rounds at work, I stumbled across a nice slab chocked full of brachiopods, tucked in dock-side rip-rap from Northern Michigan. It's pretty dark outside, so the pictures aren't the best, but I do see several types in it. Better pictures will follow once I get it home.
  17. UPDATE: These seem to just be weirdly incomplete cross-sections through ordinary cylindrical meroms. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ This weekend in the Kimmswick Limestone in eastern Missouri (Pike County) I saw plenty of receptaculitid algae, mostly of genus Fisherites. But one cross-section has a feature I've never seen before: a fringe of what look like erect spines on the external surface. Can someone point me to a reference for understanding this feature functionally and/or taxonomically? I've looked in the usual places but I d
  18. Pictorial Atlas of Fossil and Extant Horseshoe Crabs, With Focus on Xiphosurida Russell D. C. Bicknell and Stephen Pates Front. Earth Sci. 8:98. doi: 10.3389/feart.2020.00098 you may not share my tastes in paleontological publications,BUT RECOMMENDED feart-08-00098.pdf edit: pic added edit: I consider tables 1 to 4 pretty valuable,systematically speaking edit two: pic added,red underlining by yours truly
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