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Found 10 results

  1. This is on an auction site, for cheap, looks a little fishy.Thats the one pic

    From the album MY FOSSIL Collection - Dpaul7

    Mosasaur Jaw Oued Zem, Morocco TIME PERIOD: Late Cretaceous (73-95 Million Years Ago) First and most importantly, mosasaurs are not dinosaurs. Mosasaurs (from Latin Mosa meaning the 'Meuse river', and Greek sauros meaning 'lizard') are an extinct group of large marine reptiles. Their first fossil remains were discovered in a limestone quarry at Maastricht on the Meuse in 1764. Mosasaurs probably evolved from an extinct group of aquatic lizards known as aigialosaurs in the Early Cretaceous. During the last 20 million years of the Cretaceous period (Turonian-Maastrichtian ages), with the extinction of the ichthyosaurs and pliosaurs, mosasaurs became the dominant marine predators. They became extinct as a result of the K-Pg event at the end of the Cretaceous period, about 66 million years ago. Kingdom: Animalia Phylum: Chordata Class: Reptilia Order: Squamata Family: †Mosasauridae
  3. Postponing one planned purchase prompts searching for another, funny how that works Well, this is one I've started obsessing about somewhat, a lower Mosasaur jaw in matrix. I've read through a lot of threads on the subject on here and figured a few things; most importantly, it's not one of the common tourist souvenir Moroccan fake jaws with inserted teeth. It is from a Mosasaur (at least according to the seller and how it appears to my newbie eyes) but others here will surely have a more accurate label. Now, the seller readily declares there's been some repair and/or restoration--- mainly to the roots of the teeth. I am not sure if he suggests repaired roots or ones built "from the ground up" but I've asked for more info and detailed photos of these areas and expect to have them soon. It's a relatively big piece, the jaw itself appears to be around 30" long, and the seller labels it as having been found in the Atlas Mountains of Morocco. What do you think? Collectible or do you see too many repairs and/or restorations for it to be worthwhile?
  4. I had a short but good hunt today at the North Sulphur River Texas. I found Cretaceous, Pleistocene and Middle Archaic items. NSR has it all.
  5. This is a Mosasaur jaw, supposedly from Halisaurus arambourgui from Morocco. I have been using UV light check on it and looking at where the teeth meets the jaw and can't quite be sure whether if there are restorations or repairs on this specimen. The jaw does look genuine, although the teeth do look a little less curvy than a typical Halisaurus teeth I have seen, but I don't think they are teeth from a different specie of animal. So I am now mostly curious with possibility of restoration since the teeth seem to stick out a little high from the jaw so I am not sure if that's natural or they may be because of some putty work done on it, I am not quite sure. Anyhow, here is what the specimen looks like. Any opinion or confirmation on this specimen is appreciated. Thx:
  6. Cretaceous Jaw Section

    These pics were forwarded to me earlier this afternoon from a friend who hunts in the same area I find all my stuff. He found this a few days ago and asked if I could help him ID it. I'm assuming this is an extremely worn mosasaur jaw but Croc also crossed mind...just wanted to be sure so I told him you all would definitely know. The jaw was found in southeastern Alabama and is just under 3" long. As always, any comments will be greatly appreciated!
  7. Mosasaur jaws are one of the fossils that are very commonly available in the market, which can be suitable for novice collectors with moderate budget to get their hands on but also can be quite risky due to the many fakes, composites and restored specimens flooding the market. But they are still one of my favorite creatures that fascinate me to collect and study them as much as I can. I think I can pretty much tell a completely faked or composited specimens from the restored and genuine ones from looking at the differences in teeth on the jaw (using different species teeth to make a fake jaw) or how the jaws are unnaturally formed with lack of bone texture details. But when we look at restored specimens that probably used real mosasaur jaw it becomes much harder for me (and probably many others) to tell how good the restoration workmanship is, how much has been restored or how much materials are composite - at least on the more "natural-looking" specimens that are in a different price league than the common "composites & fakes" that you see all the time in the market. So I am wondering how the experts are able to tell which one has a better workmanship? For example this one: From what I gathered (and partly guess) this one is a restored specimen using real jaw piece from an actual mosasaur with some teeth replacement and refitting for decorative purposes. I can see the jaw bone seem to have bone grain and texture that looks authentic and to my knowledge, a composite made from grounded mosasaur bone and matrix wouldn't display this kind of feature, am I wrong? How would the experts weigh in on this specimen? And how does this specimen compare to another specimen (pictures in following post, since I ran out of upload limit for the original post) in terms workmanship and authentic feel for a restored mosasaur jaw? ……….
  8. Moroccan Mosasaur Jaw, Genuine?

    My turn to post a Mosasaur jaw confirmation request. I am looking to purchase this mosasaur jaw, and I would like your input. Do you think this is 1) Genuine, with small amounts of restoration / composition 2) Large amounts of restoration / composition, but otherwise real 3) Too many red flags, not worth considering Thank you! EDIT: Seller has told me that there are at least two main jaw pieces here, and that some teeth are composited. Now my concern is on whether there are pieces of plaster disguised as jaw. EDIT2: Despite the enticing price tag of 699 USD. I will be passing on this. I must thank everyone here for their help and input. You've saved me a great deal of regret and money.
  9. I found this pic of Mosasaur Jaw from Morocco (Kourhibga) but it doesn't look like one of those ugly-looking composites that are floating in the market (sorry, but no offense to those who love their looks - I just don't like the look of those cheap composites at all!). This one however, looks like this: From the look of it, the teeth seem to be very real as its common for the composite jaws, but the jaw section looks unlike the others that I have seen - they look broken and busted like the real thing. Is this possibly a very nice composite version of mosasaur jaw or this is actually a real excavated specimen? If such nice composites exist, how would u be able to tell the difference? Thx.