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Found 25 results

  1. pachy-pleuro-whatnot-odon

    Where are all the British mosasaurs?

    Hi all, While I'm aware that current Cretaceous exposures in Britain are largely restricted to the south and east coasts of the islands (see geological map below; source), significant marine deposition is said to have taken place across much of Great Britain from the Aptian onward (source). As such - and especially considering the richness of the record of the marine ecosystem during the Jurassic- one would expect an abundance of marine reptile remains to be known from British Late Cretaceous sediments as well, the epitome of which, of course, would be the
  2. will stevenson

    Moroccan marine reptiles

    Hi guys I have quite a few teeth that I would love to be able to identify let’s start with mosasaurs I think 1. 2. 3. I recall these have a new name past globidens? 4. 6.
  3. I am quite interested about large teeth. Below is the largest mosasaur teeth i have ever seen, with the incomplete crown height greater than 7 cm, the complete crown height may be over 8 cm. But i've heard somebody said that the tooth crown of largest mosasuar can reach 10 cm, is it true? Or can mosasaur tooth really grow that big? I'll appreciate a lot if you share your idea or pictures! What's more, when we compare teeth from different individual but from same section of the jaw bone, do larger teeth represent larger individual in mosasaurs?
  4. Thoughts on these please guys, quite like them but how genuine are they? also which would be the best to own if you only had space in your collection for one of them? #1 Eremiasaurus heterodontus Size of Jaw = 13.3 cm (5.25 inches) long by 2.5 cm (1 inch) wide #2 Halisaurus arambourgi Size of Jaw = 11.4 cm (4.5 inches) long. Teeth = 2 cm to 2.5 cm (1 inch) approximately thanks
  5. This bone has not been identified. I think it may be the leg bone of mosasaur or plesiosaur. Do you have any opinions? It comes from the Cretaceous period in Morocco
  6. The Amateur Paleontologist

    The giant mosasaur Prognathodon is now known from Denmark!

    A paper was recently published announcing the presence of Prognathodon in the Late Cretaceous chalk of Denmark. Prognathodon was a large, predatory mosasaur, well-known in the USA and Morocco, but known from other places e.g., the Netherlands. This new study is especially quite a big deal, because mosasaur fossils are incredibly rare in the Danish chalks. Prognathodon is now the 4th mosasaur known from the Late Cretaceous of Denmark, along with Mosasaurus, Plioplatecarpus and Carinodens. The Danish material is represented by two teeth - one of them being from the foss
  7. 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.
  8. Hi everyone, I just ordered this beautiful vertebra found in the Niobrara Chalk of Kansas (Cretaceous, 87 - 82 mya) for quite a bargain. Unfortunalty I don't have any precise location as where it was found, for that I am going to contact the seller. The vertebra was listed as being Mosasaur which it could very well be, but since it is a little bit distorted I am not quite sure, especially since many other critters can be found in the Niobrara Chalk. So I was hoping on the expertise of some of our members here who have more knowledge of Cretaceous verts and of Kansas fossils.
  9. Hey all, I'll try my best to be brief but detailed in my question, but I'd like it to be a discussion as well, if there is one to be had. From what I understand, the Western Interior Seaway had what appeared to be too many large, active predators for a similar environment to support, especially when one considers how shallow the seaway was. There were the many species of Mosasaurs, with other large predators like Xiphactinus, with the typical western interior seaway sharks as well. This would make me think that that there are two possible outcomes - either an absolutel
  10. Hi all Some of you may remember that I used to (and still do) research on fossils from the Late Cretaceous chalk of Denmark... Now there are 2 main chalk sites in Denmark, Møns Klint and Stevns Klint. My work focuses on the stuff from Møns Klint, but in all honesty there's some spectacular fossils coming out of both localities. One thing that both Møns and Stevns have in common is that fossils of mosasaurs (giant lizard-like marine reptiles) are extremely rare, with only a small handful of specimens found every year. A few years ago, I went to the Geomuseum Faxe (south of Copenhage
  11. David in Japan

    Plioplatecarpinae's tooth photos

    Hi TFF friends, I fear this thread might be in the wrong place. If it is the case, my apologize. I am currently compiling all sorts of data about Plioplatecarpinae and i would like to add photos of plioplatecarpinae's tooth. I browsed the world wide web for photos. I found some but i would like to add more. If you have in your collection, teeth from a genus belonging to this sub-family, could you please send me (by answering this thread so everybody enjoy your photos) if possible a photo of the labial/lingual/ distal/apex view of the tooth? Your
  12. I'm a newbie who lives in the Austin area with a lot of passion for ancient life, but I'm having trouble making a decisive start with with my searches. I have a particular interest in large western interior seaway predators, most notably xiphactinus, but also the mosasaurs and sharks that lived in the area as well. Finding a vertebrae, of perhaps even teeth from these groups would be absolutely wonderful, but of the few creeks in the Austin area I've scouted, I've been able to turn up nothing besides gastropods. This is still despite heavily studying the sometimes confusing Texas geological ma
  13. Jeffrey P

    Mosasaur Tooth from Big Brook, N.J.

    From the album: Cretaceous

    Mosasaur Tooth upper Cretaceous Wenonah Formation Matawan group Big Brook Marlboro, N.J. Just over one inch in length. Found 11/1/20.
  14. Is it easy to find the size of the animal with a tooth? For example, i have a spinosaurid tooth from morroco 2.75 inch long (approx. 2 cm is root), a large mosasaur tooth about 2 inch, a Carcharodontosaurus 1.94 inch. My estimation: my spino tooth belong to an animal about 7-10 meters long if it is a of the large teeth on this spino mouth, for the carcha i think that came from the middle or the back of the jaw of an animal 5-8 meters long, and the mosasaur from a 7-8 meters long mosasaur, and is a very thick tooth.
  15. I got this recently and it seemed so cheap for the size (I know nothing about authenticating fossils) so I wanted to check if it was real
  16. Hey everybody, i work on several part of mosasaurs vertebral column (2 cervical and one dorsal) from morocco and i search an idea to display them, maybe on a stand but i can’t build one in metal because i can’t weld. So do you have any idea for me ?
  17. Hello everyone. My first post in a while, and I just want to know the authenticity of these fossils that I bought online some time ago. I understand not the flashiest or most compelx, but I would just like to know. Please let me know if you would like better pictures. Mosasaur: Edaphosaurus
  18. Kevofossilhntr

    Help identifying tooth

    Is it possible to narrow down what type of mosasaur a tooth came from? Found a tooth but it looks different from the typical ones I see all over google. Thanks!
  19. michaelzzz

    north sulphur river ID please

    A day trip to North Sulphur River in north Texas, didn't found much. However, this big chunk of bone was stare right at me. It's not a shape I recognize, so I didn't realize it was a fossil until I picked it up. Whatever this creature used to be, look like it got chewed up pretty good. Anyone have ideas what this might be? Help is much appreciated.
  20. Anomotodon

    Mosasaurs, Morocco, Ouled Abdoun

    From the album: Dinosaurs and Reptiles

    A - Halisaurus arambourgi B - Halisaurus sp.? C - "Platecarpus ptychodon" D - Mosasaurus beaugei E - Eremiasaurus heterodontus F,G,H - Prognathodon giganteus
  21. Hello dear users of the Fossil Forum! Please help me to identify the fossil. LOCATION: Russia, Volgograd city area GEOLOGY: Upper Cretaceous Series, Maastrichtian ASSEMBLAGE: the Finds in this place are shark teeth: Palaeogaleus cf. faujasi, Plicatoscyllium cf. minutum, Squatirhina, Carcharias gracilis, Pseudocorax affinis, the teeth of mosasaurs, the teeth of bony fish Enchodus, fold Chlamys, Foraminifera Nodosaria sp. DISCOVERY: the Gravel bed. Thank you. PS Finds are not unique, in different places of the region Volgograd city. Layers only Upper Cretaceous Series, Ma
  22. Are Mosasaurs considered lizards?
  23. The Jersey Devil

    A question about mosasaurs

    Hello everyone, I just wanted to ask, is Mosasaurus maximus the same species as Mosasaurus hoffmani? Thanks
  24. From the album: Cretaceous

    Mosasaur Tooth Upper Cretaceous Wenonah Formation Holmdel Monmouth Co., NJ.
  25. Hello, I'm a new member to this forum and a year 7 student, and I'm wondering how long mosasaurus is? The sources I've found on the internet and in books vary dramatically (10m and 24m!). I'm fairly sure that the actual length is in-between these lengths but I'm not certain! Also, related to this problem, I've found it difficult to locate an up to date book/site that shows accurate and updated portrayals of dino's. Any help? greatly appreciated, Aaron UPDATE: Thank you all for these articles! A lot of it went over my head but I now the actual size now, 6 metres! Thanks SOOOOOOO much!
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