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Found 42 results

  1. Hi everyone, With this thread I wanted to start a discussion about what the feeding habits would be for most mosasaur species, how you think they would have fed. I personally love mosasaurs, they are one of my favorite prehistoric animals for a number of reasons and I’ve recently even bought my first Prognathodon jaw and I also live in an area that is not only known for their fossils but also for the discovery of mosasaurs. I’ve been doing a bit of reading lately about mosasaurs but I can’t really find anything difinitive on their feeding habits. Their diet yes. But exactly how they consumed their prey, not yet. I personally work with reptiles on a daily base, both with my job and with my hobby and I know quite a bit of different feeding behaviours with these animals. And as I was feeding the ball pythons (Python regius) at work I was kinda wondering, how would a large marine reptile like a mosasaurus eat? Would they just tear off chunks of meat like their closest living relatives the monitor lizards? Or would they perform deathroll like crocodiles do to tear of chunks of meat of their prey? Or when we talk about smaller prey, would they just swallow them whole like a snake does with it’s two lower jaws that can move independently, would a mosasaur be capable of that? Or would it be a mix of all those things or something entirely different? So I was just wondering what are your thoughts on the subject? I love to hear your theories and own finds and observations or if anyone ever read something in a scientific paper about the matter. I am dying to know your thoughts on the matter, as I want to learn as much as I can about these magnificent beasts!
  2. Hello to everybody! I'm kinda new here, but before I start I must say I really love this forum! It has really great vibes and you instantly can tell that this is a good and friendly community! So, I am ziggycardon, I live in Belgium, close to the border of the Netherlands and when we start speaking geologically, I live on the same cretaceous sediments as where the first major Mosasaurus discoveries where done! Unfortunatly I have never been on a fossil hunt myself and everything currently in my collection was bought or given to me. But I hope to change that soon, as I am dying to go hunting myself. Maybe the Chalk sediments 3 km from my home would be a good place to start! For the rest, my job, my major hobby and my other main interest besides fossils are living animals. I currently work as the head of terrarium & aquarium in 3 different pet stores and I have quite a collection of reptiles, amphibians, invertebrates and tropic fish myself. In my spare time I often take my own living animals along with my fossils and other educational natural history material to schools so I can teach kids about nature and it's history and hidden mechanics. For the rest are my other hobbies mainly based around movies and televisions as I collect a lot of stuff drom my favorite franchises like "Lord or the Rings" & "The Hobbit", "Game of Thrones, "Pirates of the Caribbean", ... And I also attent a lot of comic cons and other events related to those franchises. But then this topic! In this topic I will show my collection of fossils (and also minerals, stones and meteorites) as it is right now and then I will highlight each group of fossils bit by bit. I am currently starting with a own specialized fossil room, so ofcourse the progress and end result will also be posted here! And ofcourse when something get's added to my collection, I'll show it here as well. Sometimes a photo of my "special" pets or taxidermy specimens might pop up, but this topic will mainly be about the fossil room and my fossil collection. For the rest, if you have any comments or questions about the collection or about me or about anything, feel free to ask! I'd love to reply!
  3. While I was cleaning up my room, I came across this drawing of a rather elongated and serpentine Tylosaurus in my seventh-grade school binder. Thought that I could give it some light here. This drawing is unfinished, but I'm not an expert in handling antique documents.
  4. Help with tooth ID- possibly Mosasaurus?

    Posting for a friend. He found this fossilized tooth/root underwater in southwest Florida (30-50’)—first pic. The 2nd pic with the 3 pictures, the two on the right are pics I found online of mosasaurus teeth, which from all my research, are not found in Florida so I am stumped. Any ideas?
  5. Mosasaurus Fossil ID

    Was curious of what was inside of the matrix that my mosasaurus tooth was in, I'm mostly curious on what the fossil on number 6, 7 & 8 is. I'm guessing that it is a root of a mosasaurus tooth?
  6. Mosasaur tooth

    I got this tooth as a freebie when I bought some fossils a while ago. I know it's a mosasaur tooth of some description and my guess would be Prognathodon sp. based on how common they are, but I'd like confirmation (if possible) for my own peace of mind. I know it's not easy ID'ing based on tooth crowns, but hope springs eternal. The tooth is about 3.5 cm long.
  7. What do you guys think about this Mosasaur tooth, with a emerging replacement tooth? Composite or not? I have bought many times from the reseller and no problems, he guarantees the authenticity, but with this tooth I doubt..
  8. Hi everyone. So I've an old HS fb friend who found this doing tractor mowing in an area called Sand Knob. Ky is littered with these knobs, similar to a mountain range. My question is, could this possibly be an 85 million yr old fossil from the Cretaceous Period? (The last time oceans were in Western ky) It appears to be a whale vertebrae to me and others but they insist it was "dropped" or "planted". This 100% was not randomly buried by a trickster in a remote area of Casey Co. This sandy Knob region could be the banks of the Mississippian range. They are actually. Similar to how beached whales wash up on the beach, this creature, with a rise in sea levels, could very well have been deposited here. It's approximately 200mls away to the western region that known Cretaceous fossils have been found. Could this change the map in terms of Period location? Do the sandy knobs represent the banks of a past, epic event in sea levels rising? What catastrophic event would send sea levels 200mls East? Meteor? Ice caps melting? Mosasaur was known to crawl to land to give birth could this have been the leftovers of a takeaway dinner? Lol
  9. Ahoi. Another marine tetrapod. To be perfectly clear, This is a commercially bought Model which I changed to my ideas.Like my marine sloth and most of my dino- and other saurian ,models, but not my whales. I ordered the model from geoworld because some of the line had been quite nice. When I first saw it I didn´t think I could make something for my collection out of it. Tried it anyway. Because of the size in my chosen scale of 1/20 I decided to model it on Platecarpus, although I don´t claim to be accurate to even genus level. It´s just the medium sized Mosasaur to go with my whales and other seacritters. The flippers may need further detailwork. But for now I am content with the result. The base is a recent tuna vert by the way. Aloha!
  10. I saw this at a Fossil convention in Vienna it was priced around 230 euros that's about 250$. Is it real?
  11. Welcome to my first Fossil ID Post! I bought this fossil at a Market in Johannesburg. The seller claims it to be a juvenile Mosasaur. The sediment layer seems to be derived from seabed but I am no expert. Seller claims to have retrieved the specimen from Morocco. Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: Squamata Clade: Platynota
  12. Last week i was at the natural history museum in maastricht,netherlands,there was a fantastic mosasaurus' skeleton that impressed me
  13. Tylosaurus proriger tooth

    From the album Reptiles

    Tylosaurus proriger Found in the North Sulphur River, Ozan Formation Dated Campanian Stage of Cretaceous (≈80 mya) Measures 4.4 cm (1.7 inches)
  14. New Jersey Mosasaur tooth ID help

    Greetings! I recently found this partial (what I believe to be) Mosasaur tooth and the texture of the enamel isn't typical of the Mosasaur I have found. I was wondering if this is consistent with any particular species of Mosasaur or if it's just a different type of preservation than I am used to. It was found in the Monmouth County NJ Cretaceous and the bottom part of the tooth is broken. Thanks in advance for your help! -Frank .6 inch Two cutting edges
  15. Hi! I'm looking if anybody wants to trade mosasaurus or croc,gator teeth with me! I'm offering Miocene lake shells and plant parts which i've found in Marl stone mine in Popovac,they're 14m years old.If anybody is interested let me know
  16. North Sulphur river bones

    Went to North Sulphur river yesterday. Found couple bone fragments, not sure if there is enough for a positive ID, but hopefully someone will recognize them. Thanks in advance. 1. rib? are those teeth marks? 2. ? 3. Bony fish centrum? 4. ? 5. ? 6. Coral?
  17. Mosasaurus tooth?

    Hi all, Am I on the right track here? Is this a Mosasaurus tooth? It was found in Iron Ore Creek in Grayson Co. Texas. Upper cretaceous, Austin chalk runs throughout this area of Grayson co. so believe it's within the same strata as Post oak creek in Sherman. About 15/16" long and 3/8" wide.
  18. Maastrichtian Mosasaurus

    Hello everyone, I mounted this skull, but I'm not sure you have identified the species. I think it's Mosasaurus prognathodon, but I see a strong resemblance Eremiasaurus Heterodontus. What do you think? thank you Snen
  19. Mosasaur tooth

    A rooted tooth of a mosasaur.
  20. Mosasaurus jaw fragments

    Jaw fragments of a mosasaur.
  21. Mosasaurus vertrebra ?

    Today i bought this possible Mosasaurus vertebra. Its was found in Marocco and is very big with a length of 10 cm. What do you think ? I must say that i dont know anything about mosasaurus vertebras ... so please help me ID it Thanks !
  22. Hi all I just wanted to share a project that Ebrocklds and I finished up and shipped over to Europe a few weeks ago. It is a fantastic 14 foot Halisaurus sp? from Morocco. It is quite different anatomically form Halisaurus arambourgi in that is has several strange skull proportions and features, as well as a few skeletal anomalies. Its skull was 100% complete, which allowed us to do many comparisons. As you can see from the pictures, the parietal eye is raised nearly 1/2 inch above the rest of the skull. The Maxillary on each side at the nasal opening has a raised, cylindrical, ridge. The post-orbital/frontal are very thin and flattened and sit at a very strange angle that was not altered by compression. All-in-all, it is a very unique and interesting animal. (Yes those are my adorable daughters) Enjoy.
  23. Halisaurus arambourgi jaw

    A right maxilla of a small mosasaur.
  24. Halisaurus walkeri jaw fragment

    A small fragment of a left dentary of a mosasaur.
  25. Mosasaurus hoffmanni tooth

    Tooth of a mosasaur.
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