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  1. Hi, so i just got this mosasaurus jaw from morocco, could someone help me to figure out if it is real? If so, is it possible to say from which exact species it is? Its said to be from morocco... Thank you in advance!
  2. Hey, I have a question... what do you think of the fossil i found at a store? Is it real? It's from ca. 80 Million years from marokko.
  3. The unnamed giant Tylosaur of the Moroccan Phosphates is revealed at last. The great and mighty Hainosaurus is a previously unrecognized macropredator present in the latest Cretaceous (Maastrichtian) of Morocco. https://www.researchgate.net/publication/365437927_First_Record_of_a_Tylosaurine_Mosasaur_from_the_Latest_Cretaceous_Phosphates_of_Morocco Authors: @Praefectus @BrennanThePaleoDude @pachy-pleuro-whatnot-odon Abstract: The latest Cretaceous Phosphates of Morocco preserve the highest biodiversity of mosasaurid squamates anywhere in the world. Intensive sampling over the past century has uncovered at least ten genera and thirteen species from the mosasaur subgroups Halisauromorpha, Plioplatecarpinae, and Mosasaurinae. Notably missing from the assemblage are members of the macropredatory Tylosaurinae. The Tylosaurinae were globally rare in the Maastrichtian and their apparent absence has been previously explained by either collecting bias, ecological preference for deeper waters, or habitat restriction to higher paleolatitudes. Here, we describe a new tylosaurine mosasaurid, Hainosaurus boubker sp. nov., based on several partial skulls and isolated teeth originating from the Couche III layer of the Sidi Chennane Phosphate quarry near Oued Zem, Morocco. It is unique amongst tylosaurine mosasaurids in possessing blade-like teeth that are laterally compressed, encircled by enamel facets, and differentiated along the dental margin. The discovery of this new taxon in the Maastrichtian of Morocco is remarkable as it represents both the youngest species of Tylosaurinae and the first occurrence in North Africa. It has been a pleasure to work on this project and I am so happy to finally see it come to a conclusion. Tremendous thank you to Boubker Chaibi (Instagram @foussilouedzem) for discovering and donating the type material. Additionally, thanks to Carlos Espinosa (Instagram @carlost_sapiens) for bringing Hainosaurus to life. Funding for this project was provided by the Association of Applied Paleontological Sciences’ Charles H. Sternberg Scholarship for vertebrate fossil research. Thank you very much the members of the AAPS. Map and Stratigraphic column of the Moroccan Phosphates Premaxilla of Hainosaurus boubker Premaxilla of Hainosaurus boubker Maxillae of Hainosaurus boubker Dentaries of Hainosaurus boubker Hainosaurus boubker right maxilla and premaxilla Anterior teeth Hainosaurus boubker Mid-marginal and posterior teeth H. boubker Discoverer and namesake of H. boubker, Boubker Chaibi (Instagram @foussilouedzem) Hainosaurus boubker by Carlos Espinosa (Instagram @carlost_sapiens) Reconstructed skull of H. boubker at the Sternberg Museum as part of the Sahara Sea Monster's traveling exhibit. By @jnoun11. Hainosaurus boubker skull sketch by Instagram @yoshisrgr8 “The Warden of the Cretaceous Seas” by Instagram @primal_art_saurus Hainosaurus vs. Thalassotitan 2 versions. No ammonites, ammonites. Memento mori by Twitter @ttorroo Hainosaurus vs. Thalassotitan Hainosaurus boubker by Instagram @icthyovenator by Instagram @primal_art_saurus Thanks for reading.
  4. Species level identification obtained from facet count (3-5 prisms labially; ~5 or indistinguishable lingually). See more information in Rempert et al. 2022 - Occurrence of Mosasaurus hoffmannii Mantell, 1829 (Squamata, Mosasauridae) in the Maastrichtian Phosphates of Morocco.
  5. Hi, I would like to buy this skull of mosasaurus, but I am not sure that it is a real fossil… could you help me please? thank you very much
  6. Mioplosus_Lover24

    Holden Beach Diversity Of Fossils

    Recently got back from a trip on Holden Beach, and just WOW. Words can't describe the uniqueness of being able to find Mosasaur teeth next to Megalodon teeth. The recent Hurricane brought in many new fossils and I had quite good luck. Here are some photos of the trip, I will post a picture showing all of my best finds shortly, but for now enjoy! First, here are some of the Squalicorax pristodontus teeth I collected. These were relatively common.
  7. Hi everyone, I am trying to find the following stuff someone is willing to trade. - Mosasaurus partial jaws or matrix pieces, not repaired or restored. From Morocco. - Belgian Megalodon teeth - Mastodon tooth - Quality Spinosaurus teeth, larger ones. I got a lot to offer, mostly teeth and jaws from dinosaurs and ice age relater animals.
  8. Hello everyone, I recently acquired a monstrously huge Mosasaurus beaugei skull which I would like to display in my house The skull measures 170 cm / 67" and weights 85 kg /187 lbs Does anyone have similar fossils which they mounted on their walls, or displayed in their cabinets? Thank you.
  9. Is this a genuine Mosasaurus jaw fossil? If anyone knows, please let me know. Production area: Morocco Size: Long diameter of mother rock about 30 cm I appreciate everyone's comments! thank you very much!
  10. I was wondering if anyone would be interested in trading his/her mosasaurus jaw or partial from a site (Either United States or somewhere in Europe). I've got various amount of eurasian pleistoceen stuff, some dinosaurus teeth. Megalodon teeth of great quality too. Please if you know anyone, feel free to contact me!
  11. Hello, what do you think, can i go "wrong" with these fossils from morocco? Are they real? Many greetings
  12. Mochaccino

    Mosasaurus hoffmanni tooth?

    Hello, I have another mosasaur tooth ID question. This is listed as Mosasaurus beaugei from Kem Kem Morocco, on the small side at just over 4.1 cm. Based on what I recall @Praefectus said, is it possible this is actually a M. hoffmanni? It has very few, prominent facets, which are apparently diagnostic to hoffmanni rather than beaugei? @pachy-pleuro-whatnot-odon Sadly the tooth doesn't seem in the best shape though. Thanks!
  13. Hi there members of this forum! Made the mistake(prety probably) and impulse bought this piece,which went by the name: "Mosasaur Dinosaur Jaw Teeth fossile" Im not shure it said from Morocco,but most stuff in the shop was there,so this one is probably i guess... Well now im kinda shure its "Jaw" section is made out of 3 pices,so im not shure if the rest is allso "legit". (I hope at least the theeth is real) So if any of you great fellows can help ID this.(Probably turns out to be some dessert folkart:) Sorry for the meh cellphone pictures ,and thanks in advance!
  14. Good morning all, Been looking at purchasing a Mosasaurus jaw, but know to be weary of composites. What do you guys think of this one?? Is it authentic and or compostie?? I appreciate the help!!
  15. I_gotta_rock

    Mosasaur Tooth

    From the album: Delaware Fossils

    Found in the late cretaceous spoils at the Chesapeake and Delaware Canal, Reedy Point, DE
  16. Dino Dad 81

    Mosasaurus Tooth

    Hello and thank you for checking this out. I picked up this 2.7" tooth that supposedly comes from Oued Zem, Morocco. I know next to nothing about Mosasaurus teeth, but I wanted to see if a species could be assigned to it. Serrations?: Thank you!
  17. Hi everyone! I purchased this "Mosasaurus Skull" about a year ago. I'm certain that it's fake, but I was curious as to how bad of a fake it was (to humor me) and what kind of teeth these are. Thanks!
  18. @pachy-pleuro-whatnot-odon and I wrote a paper on Mosasaurus hoffmannii fossils from the Moroccan Phosphates. https://www.researchgate.net/publication/357836567_Occurrence_of_Mosasaurus_hoffmannii_Mantell_1829_Squamata_Mosasauridae_in_the_Maastrichtian_Phosphates_of_Morocco https://www.aaps-journal.org/pdf/JPS.C.22.0001.pdf Abstract: Marginal tooth crowns from the hypercarnivorous marine reptile Mosasaurus hoffmannii Mantell, 1829 are reported for the first time from the Late Cretaceous (Maastrichtian) phosphates of Morocco. Fossilized remains of this species are previously known from Campanian and Maastrichtian outcrops in Europe, North America, and western Asia at a paleolatitudinal belt of 30-45°N. New fossil material originates from the Upper Couche III layer of the Oulad Abdoun Basin, south of Oued Zem, Morocco. The discovery of M. hoffmannii in Morocco extends its paleobiogeographic range south to 25°N and into the southern margin of the Mediterranean Tethys. Rempert, T.H., Vinkeles Melchers, A.P.M., Rempert, A.N., Haque, M.R., and Armstrong, A.R. (2022). Occurrence of Mosasaurus hoffmannii Mantell, 1829 (Squamata, Mosasauridae) in the Maastrichtian Phosphates of Morocco. The Journal of Paleontological Sciences, 10: 1-22. It has been fun working on this project. Great to finally see it published. Many thanks to the Editorial Board of the Journal of Paleontological Sciences and Walter Stein and Dr. John Nudds for helpful review. Excavation zone in the Sidi Chennane phosphate quarry. Lithostratigraphical units of the Sidi Chennane Phosphate Quarry; mosasaurid remains originate from the Upper Couche III layer. Mosasaurus hoffmannii Mantell, 1829, from the Moroccan phosphates. A. REMPC M0001, UCIII (Maastrichtian) layer, Oulad Abdoun Basin, Sidi Daoui, in posterior (A1), labial (A2), anterior (A3), and lingual (A4) view. B. REMPC M0002, UCIII (Maastrichtian) layer, Oulad Abdoun Basin, Sidi Chennane, in posterior (B1), labial (B2), anterior (B3), and lingual (B4) view. C. REMPC M0003, UCIII (Maastrichtian) layer, Oulad Abdoun Basin, Sidi Chennane, in posterior (C1), labial (C2), anterior (C3), and lingual (C4) view. Mosasaurus hoffmannii Mantell, 1829, from the Moroccan phosphates. D. AVM 01, UCIII (Maastrichtian) layer, Oulad Abdoun Basin, in posterior (D1), labial (D2), anterior (D3), and lingual (D4) view. Upper Couche III (Maastrichtian) layer, Oulad Abdoun Basin, Morocco. E. AVM 02, UCIII (Maastrichtian) layer, Oulad Abdoun Basin, in posterior (E1), labial (E2), anterior (E3), and lingual (E4) view. Mosasaurus hoffmannii Mantell, 1829, F. CORN 01 in anterior (F1), labial (F2), posterior (F3), and lingual (F4) view. Upper Couche III (Maastrichtian) layer, Oulad Abdoun Basin, Morocco (Image courtesy of George Corneille). Teeth from the first discovered Mosasaurus hoffmannii specimen, TM 7424, Teylers Museum, Haarlem, the Netherlands, A. in lingual view; B. in labial view showing prism faces; C. in lingual view showing indiscernible lingual facets, light serrations on the carinae, and medial tooth curvature.
  19. I was told this is a Curry (or currii) mosasaurus, but now I am having problems identifying it. What are your thoughts? I think it's a beautiful specimen, but I just wish I knew more about it. Any help?
  20. joeride95

    Mosasaurus tooth

    This Mosasaurus tooth measures 8.3 inches from Morocco. Can you tell me what species it is?
  21. A couple of weeks ago, I acquired a gorgeous fish and mosasaur association, from a seller on the web. It hails from the Cretaceous of Khouribga, Morocco, unprepped, just split out of the rock! Here's the fossil in question! Ignore the mess in the background... Can you believe this thing is 70.6 - 66 million years old!? Look at the sheer awesome preservation on that fish spine; absolutely stunning! So, story time. The tooth is from the species "Mosasaurus beaugei", a pretty large mosasaurine. Here's a nice image (or, 2 images...) of the size of Mosasaurus (silhouette 16) against other mosasaurines, and a human. As you can see, that's... A pretty big beasty! It came from the Ouled Abdoun Basin in Morocco, which is a HUGE sedimentary phosphate basin - so big that it holds nearly half of Morocco's phosphate reserves, which is over 26.8 billion tons of phosphate (24,312,551,032,000 kilograms). That's... A lot! To be precise, but in an interesting metric, that's 50 humans worth of phosphate for each human on the planet, or 3,078 kilograms for each of us! Anyways, geology cool and whatever, but we're here for the fossils. The O. A. Basin is absolutely fascinating. Its deposits range in age from the late Cretaceous (100 million years), to the late Eocene epoch (48 million years). That alone is fascinating, but it's the sheer amount (and quality) of vertebrate fossils to be found here that makes it so special. Shown above is a typical phosphate quarry in Morocco. In 2017, a whopping $6.12 billion USD worth of minerals and precious metals were mined, making it one of the most important industries in the whole country. Large phosphate deposits such as this form in seawater, particularly areas rich with animal corpses and nutrients. This, obviously, means that phosphate beds are usually choc-full of fossils. As the phosphatic rock is so greatly mined, tonnes of fossils come out as a by-product. Locals collect these unfortunately fragmented fossils (hence why few whole specimen come out), and sell them. Too many fossils are fabricated, using a real tooth or bone and setting it into a fake jaw or matrix made out of dust, plaster and glue, such as these: There are many a post on this forum explaining how to spot these composites. The images above show the most common fake fossils from Morocco. The teeth (Otodus obliquus and Mosasaurus sp.) are real, but have been collected and set into the fake jaws and rock, to make them look more attractive and sell for more money. This by itself would be okay, however these fossils aren't sold as "composite" (called composite as some of the fossil is real), they are sold as real, 100% natural fossils, making it fraudulent, and illegal. Still tourists buy these, unknowing that they are composite. A really good article on Moroccan fossils can be found here: www.fossilguy.com | Why are there so many Otodus fossil shark teeth and Mosasaur teeth from Morocco? Not to mention, the fossil trade in Morocco is quite lucrative, but also sometimes highly unethical. I always make sure to purchase from ethical sources, and the fossil shown in my photos is no exception to this rule. Anyways, enough about the facts, lets prep on! I began by (very, very carefully) soaking the specimen in a controlled room with 5% vol. acetic acid, which should weaken the matrix, allowing me to reveal details previously hidden. Then, delicately, I used a needle and pin vice to lift up the matrix, exposing the fossils. In the photo, you can see I packed the tooth in with tissue, to ensure it doesn't come off, as I wish for it to remain in-situ. I then started to reveal a fish rib that was almost entirely hidden! You can see it poking out to the left of the tooth. Finally, I started to expose the fish vertebra (spine plate) above the rib, which came out somewhat stickily, but is now very pretty, if not a little distorted under the weight of the rock. And here's the final piece (for now)... There's more to prep out, for example a heavy load of bone mass towards the top of the piece, and a suspect coprolite in front of the spine, but that is another times' task - I've already spent dozens of hours soaking, needling and drying out this specimen!
  22. Sofyar

    Mosasaur tooth with bitemark?

    Hey guys, I just bought a relatively large Mosasaur tooth and I found what I believe to be another Mosasaur tooth mark near the base of the tooth, but I wasn't sure. Tell me what you think! Second picture I circled what I believe is the tooth damage.
  23. Hey guys! While on vacation my brother nephew and I wondered into a fossil shop and I helped them pick out a nice tooth and jaw from a mosasaur which I identified as Mosasaurus beaugei. My question is, is it a composite or a partial jaw with tooth? I'm leaning towards composite, but I wanted a second opinion. Don't worry about my nephew, he's aware it might be a composite and is THRILLED with it either way and it wasn't expensive. Quarter is for scale. Thanks!
  24. Hi everyone ! i need a bit of help . I recently found the mosasaur jaw that i really like and in my budget range so i just want to make sure before buying this 2 . Any repair / restoration ? or any red flag on this 2 jaw pieces ??? Seller said to me that no Repair / restoration on this two jaw . Jaw number 1 Jaw number 2 as always thank you in advance guy ! Regard Guns
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