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Found 217 results

  1. I've had these few pieces in one of my drawers for years and I got looking at them again today. Three of them are clearly some form of Fusulinid or other Foram, the other I think is oolite. I don't remember where I got them but suffice it to say I didn't collect them myself. I guess I don't expect much info to come in about these, but in the off-chance that anyone recognizes the material I'd appreciate knowing about it. They each seem to be quite distinctive so there is hope. The only Fusulinid I know of in B.C. is Yabeina from the Cache Creek area (Marble Canyon), which I've read about in books about BC geology, but I've never collected at that spot so I wouldn't know how to recognize it, if any of my pieces are from there. Otherwise my best guess is they're from somewhere in the US where these things are more readily available.
  2. devonian(syn)ecology

    New data on the intergrowth of Rugosa-Bryozoa in the Lower Devonian of North Gondwana Yves PLUSQUELLEC ,Françoise P. BIGEY Carnets Geol. 19 (18) Creative Commons License DOI 10.4267/2042/70538 PDF LINK
  3. paleozoic malacology

    DBNA Middle and Upper Devonian Cryptodonta (Bivalvia)from the Pelagic Hercynian Facies -Taxonomy, Stratigraphy, and Paleoecology Judith Nagel Inaugural dissertation,2006 ABOUT 5,8 MB the research areas on a Devonian geodynamic reconstruction :
  4. HAMU Cameral deposits in Paleozoic cephalopods Harry Mutvei GFF, 2018 https://doi.org/10.1080/11035897.2018.1483966 4,7 MB category (qualitywise) :awesome* *certainly given author and source publication,but I'm aware there's personal prejudice involved in this judgment
  5. Help Identifying bivalve/Brachiopod

    Hello, I have been fossil hunting in Northeast Oklahoma near lake shores in an area where I have found bivalve, Bracheopod, and Crinoid fossils. I have been separating them into similar groups to identify them. May I get some help on this particular fossil type? Found in Northeast Oklahoma near the Lake Skiatook area. I am a newbie when it comes to fossil identification so I may be wrong on my tags.
  6. echinodermata/Diploporita:Prokopius

    1697_Paul_180820.pdf Prokopius, a new name for “Hippocystis sculptus”Prokop, 1965, and the status of the genus Hippocystis Bather, 1919 (Echinodermata; Diploporita) Christopher R.C. Paul . Bulletin of Geosciences 93(3), 337–346 (5 figures).
  7. NOhlMunneck Reconstructing time and diagenesis of limestone-marl alternations from the selective compaction of colonies of the tabulate coral Halysites Theresa Nohl & Axel Munnecke Bulletin of Geosciences 94(3), 279–298 size:about 21 MB recommended
  8. squid pro, quondam

    Anatomy and evolution of the first Coleoidea in the Carboniferous. Klug C, Landman NH, Fuchs D, Mapes RH, Pohle A, Guériau P, Reguer S, Hoffmann R Communications Biology,2019 Nature,31 july,2019 edit:about 9 MB I should be shot for that title here @Heteromorph @BobWill
  9. I am hoping someone can help me with this large unknown trilobite. It was given to me many years ago (late 1980s) by my father, along with some other trilobites and other fossils, as a Christmas gift. He acquired the fossils from a member of the local fossil club (Delaware Valley Paleontological Society) and most were carefully labeled, but this one was missing its label. It is a large, partially enrolled trilobite (15 cm from "nose" to tail if unrolled and 6.5 cm at the widest point); there are small bumps down the middle of the thorax and on the glabellum. It is on a chunk of matrix that lets it stand on its own, and it is a cool display piece. But looking at it closely, it looks...wrong. There's not much detail on the eyes (which seems to be usual in fakes, but can also mean a poorly-prepped real specimen) and overall it just looks wrong, in a way that I can't quite articulate (which again could mean fake, or badly-prepped but real). So, my questions are: 1. Is this, in your opinion, a real trilobite that was badly prepped, or a fake? I would appreciate if you can point out specific features that lead you to your decision. 2. If it is real, can you hazard a guess as to genus/species, and (this is a stretch) where it might come from? The scrape marks on the matrix resemble what I've seen on some Moroccan specimens. However, the other trilobites it was sold with are all from the United States, except for one from Pakistan (!), if that means anything. I think this trilobite resembles Calymene in general shape and size, but I don't know much about trilobites (if that wasn't already obvious) and I could easily be wrong. Thanks in advance for any help you can give. Let me know if additional photos would help- my photography isn't great, but I'll do the best I can.
  10. Paleozoic algal matting?

    While hiking through a desert area just southwest of Tucson, AZ. I found these interesting layered rocks. Over the course of an afternoon I came across a couple more spots where these types rocks were strewn over relatively large areas. Many of the pieces would fit inside a square inch or the palm of your hand, while many others were a few feet long/wide. I showed these to a local geologist and he called them stromatolithic Paleozoic limestone – evidence the area was once covered by water and these represent the layers of algae, probably in the form of algal matting that existed there, dating back to the Paleozoic time period. Respectfully, can anyone confirm or negate this idea? Thank you for your time and consideration!
  11. We split open this rock yesterday and it has a mirror image of two things I am not sure of. #1 I see some shell... #2 Vegetation?
  12. Niagara Escarpment

    Today I am up loading a favourite fossil oof mine, I like it because of the calcite quartz geode in what appears to be a brachiopod shell. I live on the Niagara Escarpment. At one time the area was sitting just below the Paleozoicequator, tilted at a more 45 degree angle, in a more east/west direction than the land sits now. This explains the weird road angles to me now, probably formed when the terrain dictated the road directions, but I digress. The Niagara escarpment in Ontario starts at the Niagara Falls, follows along the Lake Ontario Shore, through the cities of St. Catherines, Hamilton, and Dundas, where it takes a sharp turn north in the town of Milton, toward Georgian Bay. It follows along the shoreline of Georgian Bay through Collingwood (The Blue Mountains) across over to Owen Sound, along the shoreline of the west side (where I live) over to the town of Wiarton, up the Bruce Peninsula and carry’s on from there. Having written all that, I need to mention the Ojibwa an Anishinaabe people are the indigenous peoples here, who live with us. I have observed with many of the fossils I find are worn as if the waters were quite turbulent, probably from the heavy tidal action during this time. The moon was much closer to the earth some 430 million years ago, our days were approximately 19 hours long as the earth was spinning faster, and the moon was also spinning. The gravitational forces must have been unbelievable! (Dynamic, biological and anthropology concequences of lunar and angular radii, Steven A Balbus, published 08 August 2014. These are my thoughts today, please let me know what you think.
  13. hogstromhrsloegstroembrigsshunsrucklagerstincsedismachaeridiadevoniarsl1981.full.pdf A pyritized lepidocoleid machaeridian (Annelida)from the Lower Devonian Hunsruck Slate, Germany Anette E. S. Hogstrom, Derek E. G. Briggs, and Christoph Bartels Proc. R. Soc. B (2009) 276, 1981–1986 doi:10.1098/rspb.2008.1875
  14. C scale

    The squamation of “Ctenacanthus” costellatus (Chondrichthyes: Ctenacanthiformes) from the Carboniferous of Lublin area, south-eastern Poland MICHAŁ GINTER and STANISŁAW SKOMPSKI Acta Geologica Polonica, Vol. 69 (2019), No. 4, pp. 571–582 OCCURRENCEs include scales known from specimens from : Carboniferous, Viséan. reported from Scotland (Glencartholm, lower Viséan, two articulated specimens), England (Derbyshire,Ticknall Quarry, Brigantian, one tooth) and Poland @Archie
  15. Identification

    Hello everyone, I working in dimension stone field in Armenia. This fossils where found in a sample small stone block brought for cutting to the factory, then they were machined polished as standard marble or granite tile. The tile (second photo) is 400x800mm app.16x32 inch. Kindly help me to identify these guys. Thanks
  16. What's your take --- are these real? Considering purchase. Details: "Selenopeltis buchii trilobites", 45 x 35 cm (total size), Paleozoic, Upper Ordovician, discovered in Morocco.
  17. Hi everyone, just joined the group. I recently did a kayak trip down the Brazos River Below Possum Kingdom Lake and found some petrified wood. I was wondering if anyone knew of what geologic age and formation it might be from? The surrounding geology seems to be Paleozoic but there is also Pleistocene terraces. Is it possible the wood could have been mineralized in a Pleistocene terrace or is this more likely from a surrounding Paleozoic formation? Thanks in advance for the help.
  18. Stethacanthus altonensis Oklahoma

    From the album Odd and Rare Shark Teeth

    A 340-360 Million year old Stethacanthus tooth from Caney Shale, Oklahoma.
  19. Stethacanthus altonensis Oklahoma

    From the album Odd and Rare Shark Teeth

    A 340-360 Million year old Stethacanthus tooth from Caney Shale, Oklahoma.
  20. Oyster

  21. I have no idea whatsoever

    This is roughly 2 1/2 inch in length. At its widest point 1 1/2 in and a 1/4 in thick. Any help identifying it would be much appreciated
  22. Fossil ID Requested, paleozoic reef

    Here is a limestone reef rock from Tucki Mountain in Death Valley. The strata is vertical. There was a band of reef rock several hundred feet across. Lots of crinoids but it's the sponge / archaeocyathan fossils that I'd like to know about. This is the first time I've done this, so I'm not sure how the answers arrive... Thanks very much! Dick
  23. Here are some color pencil sketches of some Paleozoic agnathans I drew many years ago (maybe 6 or 7 years ago). Time is scarce, but seeing these again I somehow feel inclined to start sketching some new concepts again Polybranchiaspis yunannensis (Galeaspida) Early Devonian Qujing, Yunnan, China Haikouella lanceolata (Agnatha, Haikouellidae) Early Cambrian Chengjiang, Yunnan, China Stensiopelta pustulosa (Cephalaspida) Early Devonian Ternopil, Ukraine Pteraspis (Pteraspiformes) Early Devonian Ternopil, Ukraine
  24. Brantford, Ontario Geology??

    Hey guys, So I discovered there is actually GO transit service from Hamilton, Ontario to Brantford, Ontario and Im actually excited to discover this (HOORAY!!). Does anyone know the geology of the city? Im also looking for papers/files that can help me know what to find there. Thanks for any help!
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