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Found 388 results

  1. Permian/Triassic

    Hello, Does somebody here knows where I can obtain permian or triassic vertebra fossils (no fish, exept shark) and reptiles, amphibians.... I prefer good quality. Thanks Thijs
  2. Triassic Nautiloids

    just finished a lower Carnian slab with two Nautiloids(probably Mojsvaroceras cf. perarmatus) Additionally a questionable bone fragment appeared during prep. (the second bone within 20 years of collecting in the Hallstatt limestone) Unfortunly I didn't take "before" pics because I didn't think that it turns out so well. Can anyone confirm that this is bone structure on the polished part? I think so, but I am not sure. The ammonoid on top is a Monophyllites simonyi. So the slab is of lower Carnian, Julian time. regards Andreas
  3. Coelophysis

    Just recently purchased one of these teeth for the cheap price of $14 dollars from a seller on ebay. I was wondering if anyone with more experience with fossils than I, could tell me if they believe this tooth to be authentic? The ebay seller has all positive reviews. Thank you.
  4. Volcanic eruptions triggered dawn of the dinosaurs (Huge pulses of volcanic activity are likely to have played a key role in triggering the end Triassic mass extinction, which set the scene for the rise and age of the dinosaurs, new Oxford University research has found.) http://www.heritagedaily.com/2017/06/volcanic-eruptions-triggered-dawn-dinosaurs/115652 https://www.sciencedaily.com/releases/2017/06/170619151530.htm Dinosaurs got an evolutionary assist from huge volcanic eruptions by Mary Beth Griggs Popular Science http://www.popsci.com/volcanic-eruptions-dinosaur-evolution The paper is: Lawrence M. E. Percival, Micha Ruhl, Stephen P. Hesselbo, Hugh C. Jenkyns, Tamsin A. Mather, and essica H. Whiteside. Mercury evidence for pulsed volcanism during the end-Triassic mass extinction. PNAS, June 2017 DOI: 10.1073/pnas.1705378114 http://www.pnas.org/content/early/2017/06/13/1705378114 Yours, Paul H.
  5. Odd Triassic tooth

    While digging around in some bone bed (Triassic, Rhaetic, Penarth Group, Westbury Formation, Rhaetic Bone Bed Aust Cliff, River Severn, South Gloucestershire, UK.) I found this tooth. I must have cracked a ton of this stuff over recent years and have never found anything like it. Fossils of the area are marine reptiles tiles and fish. Common finds are fish teeth and coprolites, plesiosaur and ichthyosaur bones, mostly, unsurprising, vertebrae. Oh and thank you Ray @aerogrower it's first outing Your wisdom and comments please! Labial surface Lingual surface Occlusal surface Root end Stupidly I forgot to photograph the proximal sides but hopefully you can get a rough idea from the other shots.
  6. Triassic fossils in need of ID

    So I went to look for an owner of a potential site, I did end up getting an address but no one was home, so I decided to go to a previously unfossiliferous site. With this Gettysburg shale, you look for glossy layers (for some reason these are the layers with fossils. At the major exposure there was none, but under/next to a dirt boat ramp there was about five inch long three inch high outcrop of good stone. Yes, I got some strange looks poking at the ground with my trusty screw driver, but I got some small trinkets to show. I found these lines, most are different size and shape, one looks like the worm itself, although I feel I may be mistaken. Some hollow circles that look almost like crinoid columnals are present as well. This is most of what I found, tell me what you all think. I can take more pictures and provide more information. Note: there may be some repeats, i was just trying to get every picture before sundown.
  7. Any ideas? I got none.

    Okay, so I did not create this with my hammer,scribe, or trusty screwdriver, it's on a different slab than the other one but this one also has some raindrops. It's Triassic Gettysburg formation from near emmitsburg, MD. It is a strange pointed mark almost as if something was pulled across it. Not all is preserved, I know this because it stops and then starts again (last pic). I'm stumped, let me know what you guys think.
  8. Another burrow?

    Hello everyone, this fossil is in a larger plate with lots of raindrops from the Triassic Gettysburg shale of Maryland. It looks like a burrow but it could be a root or part of a larger footprint. What do y'all think?
  9. Triassic plant?

    I found this up near emmitsburg, Maryland. It's got some strange lines. Is it a plant and if so any ideas as to what type, or am I stuck again with a burrow as I have been so many times before. It's Gettysburg shale (Triassic norian-carnian).
  10. Raindrops imprint?

    I just split a Triassic shale piece from Thurmont, Maryland and I found these weird twin dots. Raindrop impressions are known from this formation but they are next to each other, any Ideas?
  11. Same deal as the last one. No idea what this is, might not even be a fossil. It's in red shale probably new oxford formation, maybe Gettysburg of Thurmont, Maryland. Remember, its famous for ichno fossils, so a trace fossil is first on my list of possibilities after strange erosion pattern. The black half spheres, sometimes yellow, are modern egg sacks, probably spiders. Tell me what you think!
  12. Frederick county, Maryland fossil ID

    Hello everyone, today I went hunt in northern Frederick county, Thurmont to be exact, to look for fossils in Gettysburg shale. These are many interesting for sometimes preserving dinosaur and other reptile footprints. I ended up hunting in a river next to a trail that had abundant red shale, this may be new oxford or Gettysburg formation, either way Triassic material, (lean towards new oxford, abundant breccia) and I came across this strange thing. Is it a fossil or not? If a fossil what type and if not what is it? Tell me what you think. Btw I don't believe I found any tracks but I'm still looking at what I collected.
  13. Helllo friendly folks of the fossil forum, I have been searching for a coelacanth fossil on and off for years now. I finally found one that preserved all the characteristic fin "limbs" in profile from an Ebayer who acquired it while in Madagascar. I was pleased with the degree of preservation on both split halves. To my surprise, taking a hand lens to the more concave side revealed scale preservation. I know this is typical of bony fish with scutes like Gars from the Green River, WY - but! Is this unusually good for nodules in Madagascar? More to the point, am I keeping something away from the scientific eye that should be seeing this? I imagine 3-D scanning could reveal finer details for comparison to the living fossil ancestor today. Attached are photos taken with my iPhone and two photos through a regular light microscope at 2x magnification. Thank you for any advice or knowledge you may have on these classes of coelacanths. Warmly, Mark
  14. Hi, Carrying out a spring clean and I found this from an old school geology field trip I took in about 1984. This would have been from the Birmingham Ridge (UK) of Keuper bed Sandstone which dates to the Triassic. Unfortunately I cant be more precise on the location as my memory has faded and I have lost my old notes but it would have been somewhere in the proximity of Barr Beacon. According to the literature this would have been a river delta - to my eye these look more like ripples you'd find on a shallow beach. Or maybe they are nothing - I thought I'd share to see what the experts think. What I love about these - if they truly are fossilised ripples - is their fragility. A true snapshot in time frozen forever. Thanks for looking, Carl
  15. Hi fossils friends, here is a little taphonomic accumulation plate with many Olenekian (lower Triassic) Ammonoids. It comes from the Vikinghøgda Formation - Sassendalen group (Sassendalen valley - Spitsbergen island - Svalbard archipelago - Norway) Most of the Ammonoids are Svalbardiceras spitzbergensis (Freblod, 1930). Associated on the plate is an unidentified orthoconic Nautiloid (never seen this in the associated litterature), a bivalve and a partial Ammonoid from the Hedenstroemiidae family (at the top-left). Size of the plate is 11,5 X 9,5 cm. I prepared it with my Dremel engraver in about 8 hours.
  16. newark basin analysis

    excellent analysis of basin fill geometry(read it coupla months back,BTW,but in this case I trust my memory) schlisolsen_90_sm.pdf do not open if allergic to rigorous quantitative analysis
  17. Weirdest Concretion (and coolest)

    Hi all, Originally I thought this was an iron concretion, I still believe it is but was wondering is there is any geologist in the group (or expert) who can point out a more specific type of mineral (siderite? hematite?). Never seen a concretion like this and it was intermingled with Shale packed with plant material and root casts. I want to know if there is any correlation to this mineral and abundance of fossils in the deposits I'm frequenting. Found in Triassic deposit Deep River Formation, NC (Newark Super Group). Regards to all, Alex
  18. Triassic teeth & misc items

    From the album Nigel's album

    Various misc fossils bought as a job lot which needs sorting out.
  19. Rheatian Fossil Tooth Identification

    For a University project I am working on a sample of Rheatian Bone Bed collected from Lavernock, South Wales, UK. During the separation process I found a different looking tooth to the common bony fish teeth and sharks teeth, but I'm not sure what it is. I think it looks like a mammal molar? Is there anyone with any experience around this topic that could offer some insight? I have attached two images the specimen, thanks.
  20. turning over an old leaf

    Nilssoniopteris,Pterophyllum and assorted Bennettitales from a famous European locality Might be useful to some of you polunzl.pdf
  21. From the album Triassic

    Diplurus newarki (partial coelacanth-bones, fins, and scales) Upper Triassic Lockatong Formation Newark Supergroup Granton Quarry site North Bergen, N.J.
  22. Eosemionotus vogeli FRITSCH, 1906

    From the album Vertebrates

    Eosemionotus vogeli FRITSCH, 1906 Middle Triassic Oberer Muschelkalk Rüdersdorf near Berlin Germany