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Found 20 results

  1. Hello everyone! Today I acquired a specimen that is of a rarity that's nearly unparalleled. The specimen in question is the cuticle of a Eurypterid from the famous, classic, and closed Ordovician locality at Swatara Gap. I believe it is undescribed and I can tell its a eurypterid for sure by the scaling pattern on the cuticle. Eurypterids aren't unheard of at Swatara Gap but I have never seen a specimen or even known about a specimen other then the one I have. They are extremely rare and were probably over looked by collectors due to not knowing what they were. I acquired the eury
  2. MarcusFossils

    Canada/Quebec/Ordovician/Upper Ordovician

    From the album: My Collection

  3. MarcusFossils

    Canada/Quebec/Ordovician/Upper Ordovician

    From the album: My Collection

  4. MarcusFossils

    Bufoceraurus bispinosus

    One of the rarer trilobites from the classic Lake Simcoe quarries. Synonymous with Ceraurus bispinosus. Evolutionary Patterns of Trilobites Across the End Ordovician Mass Extinction by Curtis R. Congreve B.S., University of Rochester, 2006 M.S., University of Kansas, 2008 ... https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwjEjaC5v-L1AhWekokEHXkVB_UQFnoECAcQAQ&url=https%3A%2F%2Fkuscholarworks.ku.edu%2Fbitstream%2F1808%2F12322%2F1%2FCongreve_ku_0099D_12715_DATA_1.pdf&usg=AOvVaw13TH_kPABFC5TcQqelHFh3&cshid=1643855913325917
  5. I found the following rock and several other highly worn pieces in a creek bed that look to contain fossils of sea worms, etc., Fossils were found southeast of Fayetteville, Arkansas (long 35.68815 x lat -93.74751). Geologic timing - Ordovician? Rock is quite dense, and what was originally shale, is now metamorphic. The "segments", or wider features, measure the same thickness between seams, so i'm guessing this to be from a once living organism. Would love any ideas on this one!
  6. How much better does it get when you can have FUN and help others experience the JOY of FOSSIL HUNTING, especially the children! These hunts were both booked through Eagle Bluff Environmental Learning Center. And I have a BIG THANK YOU to @minnbuckeye because MIKE made both of these hunts very special. A while back Mike stopped and was so generous and gave me three geodes he had found - he knows I love anything that sparkles. :-) After he left, I thought how selfish of me to keep them for myself and decided that the youngest on the hunt would be able to break one. WOW! Seeing the smiles on t
  7. Hi all. I posted about a week ago in this forum with what I thought was a Maclurites fossil I found in the Galena Group in Illinois: http://www.thefossilforum.com/index.php?/topic/116602-ordovician-maclurites/. Others agreed with me. There are two parts of this fossil that I wonder about. One is fairly large and may be a piece where the outer shell of the Maclurites broke to reveal an inner layer. It may also be a second specimen that was fossilized along with the Maclurites, replacing part of it. (I bet there's a term for that, but I don't know it!) This part of the specimen stands out by vir
  8. This is my first post of a Fossil Trip I took. I'm also fairly new to identifying fossils and researching the geological makeup of various sites. The trip was fun and writing about it really helped me organize my finds. (Sorry to use a sharpened pencil to indicate size. I want to get one of those cool metallic-looking cubes I see on TFF. If somebody can tell me where to get one, I'd be very grateful.) I recently went on vacation about 8 miles East of Galena, Illinois. I had checked with a few local and regional rock and fossils groups to see whether anybody knew of collecting sites
  9. Thunderchunky

    Ordovician coral from Tennessee

    I have these few pieces of coral I need help identifying. They were all found in middle Tennessee. They were all found in the same place and their formation is part of the stones river group. I also have this weird little guy from Tennessee that my dad found on a roof.
  10. trimerus

    Anomalocaris Morocco ?

    Can it be a part of an anomalocaris? Ordovician, Fezouata Formation. Morocco Fossil Length 17 cm (7 inches)
  11. patrick plesiosaurus

    Unknown graptolites

    I found these Graptolites in the Ashgill beds of fine slaty mudstone, at ash ghyll cumbria (You will have no idea where this is) I followed my book from 1969 explaining where to find graptolites. It says these are either monograptus argentus or monograptus fimbriatus ??? Does anybody know what type they are.
  12. Dimitar

    Ordovician, circular

    Hello guys! I would like to hear your oppinion on these circles. I was suspecting for amonites, but it could be just a Bryozoa. #1 #2 #3 #4 #5 #6 #7 #8 #9
  13. Dimitar

    Bryozoan shells

    Hello guys! These are the specimen from Ile Bizard. This seems to be some kind of Bryzoan, forming a shell structure. #1 1.1 1.2 1.3 1.4 1.5
  14. Dimitar

    Flat fish from Ordovician

    Hello guys! Please help to identify if this is a "fish" (it could be one of the very first ) . It is most likely Ordovician. Found in shale block - mud stone Between Montreal and Laval. This is the block: And this is a closer view:
  15. elcoincoin

    latest trilo preps

    Hi there, Latest preps : trilobites from Brittany ordovician. The Neseuretus was collected in décember, kinda last hunts we could manage before more lockdown, i didnt think it would turn out that nice. The second one, was waiting on the shelf for quite a while, despite it only needed a small preparation and is a positive and negative Eodalmanitina sp.
  16. sTamprockcoin

    Ordovican Unknowns

    Since Saturday was my only day off (Yes, the hottest real-feel <temp +humidity> day of the year so far!) I went fossil/mineral collecting, yard-sailing, thrift shopping, i.e. out for the day. I came across a new to me spot in a borrow pit in Sinking Valley outside of Altoona PA. I believe that this is Ordovican, Coburn Formation. This limey shale falls apart in your hands. I'd really like to know what the curved pointy thing is (both sides shown in 1st pic). Thanks for any help.
  17. doushantuo

    an Ordovician impact in the usa

    JGSL The Winneshiek biota: exceptionally well-preserved fossils in a Middle Ordovician impact crater Derek E.G. Briggs, Huaibao P. Liu, Robert M. McKay and Brian J. Witzke Journal of the Geological Society, 175, 865-874, 24 September 2018, https://doi.org/10.1144/jgs2018-101 Cannot recommend this one highly enough size:about 8,5 MB Note:the Ames impact straddles the Arbuckle/Simpson Boundary
  18. St. Petersburg's area is a is famous for its trilobites. I traveled in this city in last year. Today I show some photos of St. Petersburg city, paleo site and my finds. This is the most famous view of St. Petersburg - drawbridges. All tourists are watching on this bridge in white nights. White nigths are begining in June and it does not get dark at night because Petersburg is a northern city Sightseeing - the sphinx of Egypt stands on the embankment of the river Neva. This sphinx was bought in 19 century by the Russian Tsar I'm look
  19. kurdelmb

    Bumastoides ??

    I found this in a newly created quarry about the middle of the Elgin member, Maquoketa formation, upper Ordovician of Fayette County Iowa last week. I'm thinking (judging from the little indentations on what I think is a cephalon) that this is some sort of Bumastoides?? I have never found one and it seems a fair bit larger (45mm x 35mm) than what the research that I have of this area indicates. Any thoughts would be greatly appreciated! Thanks.
  20. Thanks to the amazing work of Joan Corbacho, I had the great privilege to co-author this new paper: Corbacho, J., Morrison, S., Addi, A. 2014 Dionide carlottae : Una Nueva Especie de Dionididae (Trilobita) del Ordovícico Superior de Marruecos. [Dionide carlottae : A New Species of Dionididae (Trilobita) from the Upper Ordovician of Morocco.] Museo Geològico del Seminari de Barcelona, Batalleria, 21:13-21 PDF LINK
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