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Found 143 results

  1. stratigraphic framework of the Glenshaw

    link Martino, R. L., 2004, Sequence stratigraphy of the Glenshaw Formation(middle– late Pennsylvanian) in the central Appalachian basin, in :J. C. Pashin and R. A. Gastaldo, eds., Sequence stratigraphy,paleoclimate, and tectonics of coal-bearing strata: AAPG Studies in Geology 51, p. 1–28. size: about 6 Mb the emphasis is on sequence stratigraphy and (correlation of)paleosols: the need for a background of knowledge of these subjects lies in the gray area between "absolutely necessary" and "comes in handy"
  2. Importing fossils

    Hello all I recently saw a cool tooth on an American website. It's pretty expensive so I don't want to take too much risks. When I look up how much shipping and import costs to Europe would be it would be as much as half the price of the tooth itself. Is this normal or did I do something wrong? Anyone has any experience with this? The fossil is not illegal or anything, it comes from a perfectly legal location. I just think it's weird to pay like 1,5 times the price for a tooth. Looking forward to your answers and help. Greetings and thanks already.
  3. Dinosaur Tooth ID

    hello, many of you will have seen recent posts about this tooth. Alarmingly rather than help me to improve my services to you the great fossil community by helping me to rectifying my mistakes by supplying me with a more professional opinion of what this tooth might be sadly it was seen to be more of an exercise in ridicule at my expense. Therefore here is a chance for those peoples to redeem themselves with an apology by helping to correctly identify this tooth! Background... This tooth was bought as part of a private collection at the recent Tucson show. Sadly alot of the dinosaur material that I purchased had no to little identification apart from the formation with which it came and/or some vague location details. When I bought the collection I was privileged that @troodon was there to look over some of my purchases for me which I am very grateful for. This tooth was in this collection however the label that accompanied called it an Chirostenotes tooth from the two medicine, Teton county (with I presume is in Wyoming state). This was all the information I have. Hence why I stupidly did not question the validity of the identification and do more home work on the tooth before posting for sale.. my bad. However I recognised the tooth as being rather different to all the other teeth I had seen from my travels from the two medicine formation. Assessment so far... It clearly (now that I know) not a chirostenotes tooth nor an oviraptor tooth. (would have been pretty rare if so right! haha) to me it does not look tyrannosaurid. to me it is HUGE (measuring 2 cm long) for the usual raptorial teeth you see from this location. but clearly it is a theropod tooth. For me there is nothing to let me not think that it is from the two medicine formation. the collection came from a very reputable source and I was told that many of the teeth were found by the original owner. Conclusion... SO WHAT IS IT? Thank you for your time in looking at this post and for maturely assessing this tooth for me. Dealers can only improve their services if their knowledge base expands and their knowledge base improves to do this they need guidance from time to time. best wishes and look forward to your debate. fossils-uk
  4. Brachiopod?

    This one showed up after a rock split. The steinkern was really shiny and smooth. Usually the shell is hard to save, but I was able to when air chiseling away at this one. There are noticeable grooves on one side.
  5. Another small theropod tooth ID

    Hey guys, I have purchased another small theropod tooth from Hell Creek fm. This one is a little bit bigger (0,8cm) and seems to be more slender than the tooth identified by @Troodon as Dakotararaptor. It will be harder to ID since the serrations on the mesial edge are present, just quite worn. Mesial edge count will be tough and rough... The serration count midline for the distal edge is 6/mm. Thanks for any input and don’t hesitate to ask me fore more pictures. Kind rgards .
  6. Crinoid being prepared

    Hi everyone! I have recently acquired a crinoid from an old collection... I have never seen a crinoid of this type before but I think it comes from a famous fossil site maybe it comes from the usa.... I will soon prepare it but before that I need what exact species is that in order to have a mental image of the specimen and so avoid any damages while preparing it .... thanks for your help!
  7. /Florida fossil trip 2019/

    Hey guys! I was in peace river last month and it was sooo nice! (Im from Denmark) The water lvl was too high, but it didn't stop us from finding fossils We were 3 days in peace river and 1 day with a guy at an another creek. We didn't find any meg, only fraglodons But this result is nearly better than a meg Nice gator teeth, parrot fish mouth plates and alot of other fossils! Sorry for my bad pics, but i dont have a good phone haha
  8. Hi. I wanted help identifying a fossil tooth found in Florida. My son and I found it on the Peace River North of Wachula. We were sifting gravel from the middle of the river last week. I thought it to be alligator, but someone noted the ridge was distinctive enough that they didn't believe the tooth to be as such. It is slightly larger than an inch long. I can provide other pictures. Thank you Ken
  9. Starting as a shark tooth collector a long time ago, last year I became interested in dinosaur fossils and decided to start collecting them. Despite dinosaur material, especially from rare locations, being usually very expensive for a college student, over this year I managed to get some interesting specimens through numerous trades, sales and purchases, some of which I want to organize in this topic. So, let's begin with Early Cretaceous (Aptian-Albian). All of my material from this time comes from Cloverly formation in Montana and Wyoming. Tenontosaurus tilleti - a large basal ornithopod, I have tooth and a vertebra with ?bite marks And a rare Nodosaurid tooth - Sauropelta is the only one described, although there could potentially be more than one species Cenomanian stage (early Late Cretaceous) is not that well represented in North American dinosaur fossil record, I have a hadrosaur and dromaeosaurid teeth from Woodbine formation, Texas A very significant portion of dinosaur fossils from North America comes from Campanian deposits of various stages. Let's begin with Judith river formation in Montana. Got some nice theropods - Tyrannosauridae indet. (potentially present Daspletosaurus and Gorgosaurus cannot be differentiated based on teeth) on the left and Saurornitholestes sp. on the right. And a nice Ceratopsian tooth (again, cannot be identified to the genus level, too many of them present) There is another formation in Montana of a similar age - Two Medicine formation. Recently got some nice material from there I can show here. First, a maxillary tooth from a hadrosaur Gryposaurus latidens - easily identifiable by the presence of denticles near the crown apex. Unidentified hadrosaur tooth with a complete root
  10. Spirifer subaequalis?

    @Tidgy's Dad, I have this one as Spirifer subaequalis. Location and stratigraphic info in tags. Pedicle valve: ~14 plications in sinus at margin. >20 on either side of sinus at margin (some not preserved). Thoughts?
  11. White river: How hard?

    Hello all I don't have much prep experience, and since I have very bad eyes I have trouble with microscopes to prepare fossils. I would like to learn how to work with my airscribe tought. So I want to prep fairly large fossils I can do without microscope. I have some stuff from France and Belgium I found myself, but or these don't need prep, or I don't dare to because I don't want to destroy my rare self-found fossils. So I came across the fairly common white river stuff. I found a website where I can buy unprepped oreodont bones and skulls. But what do you to prep these? Are they possible for total newbies when it comes to prepping? Is the matrix fairly loose or is it very stiky? I have an air scribe but don't know how to use glue. I've tried trilobites before but those are too tiny. I'm looking forward to your advise.
  12. Douglas, Wyoming

    LINK edit( 4,1 MB) Evidence for a large Paleozoic Impact Crater Strewn Field in the Rocky Mountains Thomas Kenkmann, Kent A. Sundell & Douglas Cook NATURE SCIENTIFIC REPORTS | (2018) 8:13246 together with (possibly!!) Bedout (Australia) and the Malvinas (see the post by Oxytropidoceras*) that would make three records for the late Paleozoic * Is the Falkland Islands Basin an Enormous Impact Structure ?
  13. Tyrannosaurid Tooth ID

    Howdy, folks! So just thought I'd pop a thread up for a partial tooth in my collection. It was originally sold as "unknown - possible croc tooth" when I purchased it. I tried getting an ID on it a couple of years ago, but the lighting in the photos made serrations hard to see, and it was tough to distinguish small details.... So here's attempt #2 (with better pics)! Any confirmation of ID mucho appreciated. Locality: Hell Creek, USA (afraid exact location is unknown) Mesial view?: Distal view?: Cross section: Closer look at denticles:
  14. microbial Utah

    Microbial deposits in the aftermath of the end-Permian mass extinction: A diverging case from the Mineral Mountains(Utah, USA) EMMANUELLE VENNIN, NICOLAS OLIVIER, ARNAUD BRAYARD, IVAN BOUR, CHRISTOPHE THOMAZO, GILLES ESCARGUEL, EMMANUEL FARA, KEVIN G. BYLUND, JAMES F. JENKS, DANIEL A. STEPHEN and RICHARD HOFMANN Sedimentology (2015)62, 753–792 NB 170 MB One more P/Tr article with "aftermath" Any more and I'll have conniptions And now for the serious part:this is seriously good. ..really Yes it's large,in both memory space and number of pages,but the subject merits exhaustive treatment. 11 out of ten for this one Mathematically impossible,you say? Hah!
  15. I’m just an outdoorsman that picks up things when I think they’re neat or different looking. That being said, I found this thing several years ago, wondered over it a while, and then stuck it in a box. Saw it again tonight and got to doing a little research on what it might be and the closest match I came up with was a dinosaur tooth. So I’m asking if that is indeed what it is, or if it’s just a very toothy looking rock of some sort? Either way, I think it’s pretty interesting and would appreciate any best guesses or insight as to what it is. I found it in a wash, maybe 10-15 feet below the surrounding terrain. As best I can remember it was just laying there with some other rocks, a shard of native pottery, and some rusty thing I never identified. This is in upstate South Carolina, Abbeville County, USA. If any further info would help I would be glad to provide it. Just not sure what is needed, even after reading several of the “before you post” threads. But here goes...
  16. TaylMcKinn Cretaceous Bryozoa from the Campanian and Maastrichtian of the Atlantic and Gulf Coastal Plains, United States Paul D. Taylor & Frank K. McKinney Scripta Geologica, 132: 1-346, 141 pls, 5 figs, 2 tables, Leiden SIZE:about 10,5 Mb Nice to see a species named after Brood!!
  17. Triassic cephalopoda

    GUE SPATHIAN (LOWER TRIASSIC) AMMONOIDS FROM WESTERN USA (IDAHO, CALIFORNIA, UTAH AND NEVADA) Jean Guex Alexandre Hungerbühler James F. Jenks Luis O’Dogherty Viorel Atudorei David G. Taylor Hugo Bucher Annachiara Bartolini Mémoire de Géologie (Lausanne), n°49, 2010 about 16 MB the contributing authors are dyed-in-the-wool experts on the Triassic @andreas
  18. The Republic of Washington

    PALEOALLIUM BILLGENSELI GEN. ET SP. NOV.: FOSSIL MONOCOT REMAINS FROM THE LATEST EARLY EOCENE REPUBLIC FLORA, NORTHEASTERN WASHINGTON STATE, USA Kathleen B. Pigg,1,* Finley A. Bryan,† and Melanie L. DeVore‡ Int. J. Plant Sci. 179(6):477–486. 2018. Pigg-Bryan-DeVore-lagerstUSAcenozoi2018-Paleoallium.pdf IMHO a nice marriage of paleontology and neontology,and pretty well illustrated,too RECOMMENDED
  19. Pamunkey stratigraphy and Mollusca

    WARD Lauck W.Ward Stratigraphy and Characteristic Mollusca of the Pamunkey Group(Lower Tertiary) and the Old Church Formation of the Chesapeake Group,Virginia Coastal Plain United States Geological Survey Professional paper 1346 About 25 MB As such things go:detailed!!!
  20. Ordovician taphonomy, Iowa

    maquordovicusavanitphosphjt049-web.pdf Heyo Van Iten, Michael Lichtenwalter, Juliana de Moraes Leme,Marcello Guimarães Simões * “Possible Taphonomic Bias in the Preservation of Phosphatic Macroinvertebrates in the Uppermost Maquoketa Formation (Upper Ordovician) of Northeastern Iowa (North-Central USA)” Journal of Taphonomy, vol.4, issue 4/2006 *all diacritics omitted
  21. Microgastropods of the USA

    p295-308GARVIE.pdf Microgastropod population changes from the early Cretaceous to the Recent in the Gulf Coastal Plain of the USA CHRISTOPHER L. GARVIE Zoosymposia(1),2008
  22. Campanian gastropods

    LINKdocker David T. Dockery III THE STREPTONEURAN GASTROPODS,EXCLUSIVE OF THE STENOGLOSSA, OF THE COFFEE SAND (CAMPANIAN) OF NORTHEASTERN MISSISSIPPI BULLETIN 129 MISSISSIPPI DEPARTMENT OF ENVIRONMENTAL QUALITY OFFICE OF GEOLOGY size:approx. 27 MB NB: dedicated to Norman F.Sohl(and containing biographical details)
  23. Montana, a shortish faunal review

    EASTON W.H.Easton: Carboniferous Faunas and Formation of Central Montana A study of the stratigraphic and ecologic associations and significance of fossils from the Big Snowy group of Mississippian and Pennsylvanian rocks Geological suvey Proferssional paper n.348/1962 Number of pages 157 PLATE two: stratidistribplate-2.pdf PLATE ONE(correlation/logs) plate-1.pdf to be used with some care with regard to (at least)the taxonomic aspects
  24. 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
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