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  1. Hovestadt (2018) published a revision of extinct bullhead sharks, erecting three new genera (Procestracion, Palaeoheterodontus, Protoheterodontus) for a number of Mesozoic bullhead sharks from the Jurassic and Late Cretaceous of Europe. However, I have not been able find a full text PDF for this publication, so I wanted to ask if anyone could send me a copy of that publication. Hovestadt, D.C., 2018. Reassessment and revision of the fossil Heterodontidae (Chondrichthyes: Neoselachii) based on tooth morphology of extant taxa. Palaeontos. 30: 1–73.
  2. I purchased these as Ingenia yanshini which I think became Ajancingenia, which then became and is currently Heyuannia. The formation provided is the Djadochta Formation, but that doesn't seem right since Ingenia/Heyuannia is not found there as far as I've checked. Unfortunately, there isn't provenance other than Mongolia attached to them to say whether they come from the Barun Goyot Formation where Heyuannia yanshini is found. While I'm not necessarily doubting the original ID, I just don't really know. I'm not expecting a positive or diagnostic ID to the genus level, but I wanted
  3. pachy-pleuro-whatnot-odon

    Marine reptiles of Madagascar

    Hi all, I recently became aware that Madagascar appears to have a fully developed and interesting Mesozoic marine reptile record, yet am not particularly able to find any information on them. The only article I have come across is Bardet and Termier, 1990, "Première description de restes de Plésiosaure provenant de Madagascar (gisement de Berere, Campanien)". However, I've been unable to track this article down. As such, I was wondering whether anybody on TFF might have any information on them. Basically, I'm starting from scratch, so would be very interested in the clades of
  4. Archie

    Asteracanthus tenuis

    From the album: Mesozoic Shark Teeth, England

    Asteracanthus tenuis Jurassic, Bajocian Ketton quarry, Lincolnshire 175 mya 14mm (across base)
  5. Hi all, I visited Aust Cliff in South Gloucestershire, UK for a couple of hours last week. I wasn't expecting much as I know how heavily collected it is, but got a few bits of interest which I was happy with under the circumstances. I'd be interested in educated takes on a couple of bits of bone bed I found there at least, especially this first piece that contains what I believe to be multiple bone fragments as well as coprolite pieces and lots of small black fragments - not sure if scales, teeth or what. Here's a view showing what I imagine is one end of a reptile limb bone - coul
  6. Greetings good people of the fossil forum... I stand before you all this afternoon to let you know of an event happening at the Tate Geological Museum in Casper, Wyoming on June 4-6. Yes, it is the 26th annual Tate Conference! The theme this year is Marine Reptiles. We have speakers from all over the map (including a few virtual folks speaking form Europe), talking about mosasaurs, ichthyosaurs, plesiosaurs, sea turtles and even Tanystropheus (one of my personal favorites). Talks will be here on the Casper College campus and will be all day on Friday the 4th.
  7. Microraptorfan

    Mesozoic Gars

    I thought I would ask here, do any of the members here have Mesozoic gar fossils in their collection, im not looking to buy them, more wanting to see the range of Mesozoic fossil gar material owned by members here
  8. Hello everyone, Some time ago I was talking about a gastropod fossil with an individual online who thought that it was an ammonite, During this conversation one thing was brought up that I have wondered about for a long time but have not actually been able to answer, and that is what exactly do we consider an ammonite? I have always thought that ammonites are the cephalopods with an external shell containing complex sutures which occur throughout the Mesozoic, but people have pointed out that certain sites talk about ammonites going back to the Devonian. I have always thought t
  9. Can someone please give me a few scanned pages from Capetta 1987 book ("Handbook on paleoichthyology: chondrichthyes II: Mesozoic & Cenozoic Elasmobranchii" Volume 3E Teeth). I am in India at present and desperately in need of the book basically for Hybodont dentition (Mesozoic) mostly Asteracanthus (strophodus) sp, Hybodus, planohybodus, spenodus, meristodonoides and edaphodon sp. the book is not available anywhere; not even in library. Very expensive, can't buy from abroad. Please help me guys, atleast you may have access to some good library having the book.
  10. IsaacTheFossilMan

    Jurassic Brachiopod

    Heya! These are a couple of brachiopods I have found in the Cotswolds, UK. They are from the Middle Jurassic, and were found encased in oolitic limestone. They are a triangular shape, and, on the first picture, you can see remnants of a hinge. The third picture shows two of these valves. I haven't done any prep on them yet, as I am unaware of their exact shape, and do not want to risk damage to the actual fossil, so there is visible amounts of matrix. If anyone could put me on the right tracks of identification, or perhaps give me a rough ID, I would be very grateful!
  11. Praefectus

    Tyrannosaur Tooth

    Premaxillary tooth EDIT: Changed from Tyrannosaurus rex to Tyrannosaurid indet.
  12. Praefectus

    Indeterminate Tyrannosaur

    Dimensions: CH = 41 mm CWB = 10 mm CBL = 16 mm MC = 18 denticles/5 mm DC = 14 denticles/5 mm DSDI = 1.29
  13. I've always loved living fossils, especially the fish. They are relics of an age long lost, offering us a glimpse of an incredible prehistoric world. Some are enigmas that survived countless extinction events since the Devonian. Others are majestic predators that swam alongside the dinosaurs. Let me present my collection of living fossil fishes from the Mesozoic and before. I will begin with one of the most famous of all - the coelacanth Coelacanth Species: Whiteia woodwardi Age: 252.3 - 251.3 mya | early Triassic Formation: Diego Basin; Middle Sakamena Formation
  14. I was recently reorganizing my fossil collection and thought I would share some pieces I collected during Paleontology field trips in undergrad at Alabama. I'm glad I took thorough notes at the time! The demopolis chalk is a popular formation for finding Exogyra/ostrea/pycnodonte shells and shark teeth. We visited a site in Tupelo, MS many times for surface collecting. Some of the cool pieces I found were many fragments of a mosasaur jaw (top pic, top 2 slots), a Squalicorax kaupi tooth, a scyliorhinus(?) tooth, bony fish vertebrae, and bony fish teeth. I was told the dark fossils
  15. I have a couple riker boxes of a few dinosaur teeth. Nothing super high quality; I enjoy a variety of teeth and was on a budget so I never looked for the highest quality of teeth to buy. I'm happy with a nice representative sample of the animal. I've moved away from buying many specimens now as I'd rather go out and find my own at some point, but I bought these years ago and I'm very happy with the diversity they represent. Plus as I teach geology, they are great teaching specimens for the kids to. First up is my collection of Cretaceous North American teeth from Hell Creek
  16. musicnfossils

    MusicnFossils’ Living Room

    Hello all, I was waiting a while to show my ever growing collection until I finally got this new shelf. I wanted to paint it to look similar to my other shelf, install these neat colour changing lights, organize things and move everything...then take photos! I had stored everything in my bedroom for a while but now everything is front & center for visitors. As has has been made obvious by my many ID posts and couple threads in the, “fossil hunting trips” section, I live in a fossil rich area have access to much land to collect from frequently, so I will use this t
  17. Oxytropidoceras

    Australian Ammonites

    McNamara, K., 1987-1988. Australian Ammonites. Australian Natural History. 22(7), Summer 1987-88, pp. 332-336. Index and PDF links to Australian Natural History (1962-1995) Yours, Paul H.
  18. WyoProspector

    What is it?

    Hi all, I'm recently retired and I live in NW Wyoming and was wondering if anyone could shed some light on these specimens? Im particularly interested in the big rock/fossil? at the top of the picture. I found all of these on the surface in a sandstone, drab mudstone formation. Possibly Eocene, Paleocene time frame based on some quick geologic research. Looks like a foot to me but I suppose it could be about anything. The other items were found in the same area with the larger one. The area would have once been the near the edge or boundary of Lake Gosiute an/or the inland seaway I
  19. paleoflor

    Mesozoic unknown

    Dear TFF-members, Can anyone help me identify the fossils in the photographs below? I have trouble identifying the concentric patterns that are visible on these (apparently hollow?) shell-like fragments. They were found in the Pyrenees, Spain. The formation in which they were found is Mesozoic in age, most likely Jurassic. Note these are outcrop photographs, so I cannot make additional images to aid identification, unfortunately. Thanks for any feedback you may be able to provide. Kind regards, Tim
  20. Ok, I just came across articles about soft tissue remains, apparently including some form of degraded blood, in a mosasaur. That of course, brings up the T-Rex soft tissue found, to me. I seem to understand what I keep reading, but I can’t help it, again I find myself thinking...Really? C’mon, REALLY??? Am I just misinterpreting the whole thing, or is there actually real, true, gen-u-ine unfossilized/in mineralized, preserved soft tissues and blood remains in these 70ish million year old “fully” umineralized animals? ...............HOW?????????????? How, when the rest of the an
  21. Today, instead of bemoaning the paucity of marine cretaceous rocks in my state, I reframed the situation as follows: "In the Cretaceous, most of Missouri was not ocean but land, with lots of exposed limestone that dinosaurs were likely walking around on." This led me to the following question: Do we have no fossil examples of dinosaurs that fell in sinkholes / caves / paleokarst and were preserved there, perhaps discovered during quarrying of the limestone? We definitely have such examples for fossil mammals, reptiles, etc., including Pleistocene (Ocala), Pliocene (Pipe Creek Jr.), a
  22. Hello everyone, I have decided a while ago that I would focus on collecting Paleozoic material, because of this there are quite a few fossils I have that I purchased a long time ago and do not have an interest in keeping, these guys are not that special and I am not looking for much of anyone even does want to trade with me, but I do prefer Paleozoic material. I will post what I have here. 1.Lebanese shrimp fossil Cretaceous GONE/TRADED 2. Geocoma carinata I believe from the Solnhofen 3. Chunkosaurus 4.some cretaceous teeth, spinosaurus, Squalicorax, scapano
  23. I recently saw a wonderful diagram showing the fossil ranges of various scleractinian coral architectures, or at least the ranges of genera typical of those architectures. But now I can't seems to find it again... The diagram included images of the various coral growth forms and was simpler than but otherwise similar to this: If anyone knows where I might have seen such a diagram, please post the url here -- thanks!
  24. A couple of weeks ago, I was in Barnes & Noble bookstore and spotted this book in the science section. It's too close to Christmas to get it for myself but I was content to look through it there. I was familiar with the artwork of Jay Matternes (and I'd seen the cover of the book two months before it was published in October) from various publications especially a small souvenir booklet I bought at the visitor center at Agate Fossil Beds National Monument back in the 90's. In that little book there are mini versions of murals he painted for the halls of the Smithsonian along with recons
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