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  1. PetrosTrilobite

    Marine reptile tooth

    I visit a shop in Athens, i seen this tooth in a box with common mosasaur teeth, and i bought it because don't look like a common mosasaur tooth. Platecarpus? Plesiosaur? Fish? The size is approx. 2 cm/0,8 inch.
  2. Hello all! I recently rearranged my collection so I figured this would be a good time to show some fossils! I usually hang-out in the New Jersey Cretaceous but I have been collecting fossils for over 25 years and have found some pretty cool specimens of creatures from many different eras, That said, my collection is mainly focused on the New Jersey Cretaceous, so let's start there. These are my displays for New Jersey Cretaceous non-reptile fossils. My favorites aren't actually fossils at all but rather casts of some of my favorite finds. The crab, Costadrom
  3. Hello everyone! You may have seen this tooth in my last trip report. When I posted this, I originally had it labeled as just Mosasaur (honestly, mostly because I know very well the 'can of worms' you are opening to try to get more specific on an isolated reptile tooth). Curiosity got the best of me and I ended up showing it to every contact (professional and local) that I have and at this point, I believe this tooth to be a Plioplatecarpine/Platycarpus (a deep-sea Mosasaur) which was the most common opinion. The characteristics that led me to this conclusion
  4. Attached are pictures of my collection of four isolated teeth from Travis County, Texas with limited identifications. I am not an expert on pliosaurs, plesiosaurs, or mosasaurs. I just know fairly accurately in which member of a specific formation I found these teeth. All of these were located in or near a shell hash layer associated with oyster fragments, Ptychodus, or other regular shark's teeth. (1) 10/2/2017 - Upper South Bosque - ~91 mya - first picture (as cleaned). (2) 6/15/2018 - Lower Bouldin Flags - ~95 Mya - first picture (as found), second p
  5. I have been reading up on Moroccan mosasaurs and one point of confusion that I have run into is differentiating teeth from Prognathodon anceps and Prognathodon giganteus. There seems to be a great deal of overlap in their descriptions and occasional contradictions in the scientific literature. The first issue I’ve noticed is that there seems to be a great deal of confusion over what to even call the two species. Leiodon anceps (Owen, 1841-1845) was based on two tooth fragments and a section of jawbone. The genus was renamed Liodon by Agassiz (1846) because the
  6. JohnJ

    Latoplatecarpus maxilla

    From the album: Associated Latoplatecarpus sp. Mosasaur

    Latoplatecarpus sp. maxilla found with associated quadrates, pterygoids, vertebrae, and other skeletal elements in Central Texas - 2006.

    © JJackson

  7. Just went on a trip to Greens Mill Run yesterday and recovered this tooth. Is it crocodilian or a mosasaur tooth? Thanks!
  8. I’ve made several trips to Greens Mill Run recently, lots of shark teeth and belemnites, large intact scallops and clams, large whale ribs and jaw bones and ear bones. However I have 3 fossils I cannot identify. Some pics are below: The top tooth is either mosasaur or crocodile, not sure which. The other two, I’m clueless. Any help would be appreciated!
  9. Hi there! I'm new to the forum. I recently picked up a mosasaur jaw, my first fossil. Question is it real or fake, I started doing the research after making the purchase.. Comparing it to other examples, it's somewhere in the middle. It doesn't look totally manufactured, but it also kind of looks to good to be true. Opinions?
  10. Just found this earlier today. Thought it was an enchodus until I noticed the conic root. I assume it's some type of aquatic reptile given the location and the similarity to mosasaur teeth I've found, but much more narrow than any mosasaur teeth I've found.
  11. Titan

    Titan's Preps

    Over the spring and early summer I got my prep lab set up and am having a blast with it so I wanted to start sharing some of my preps with the forum. Here we go! Fish vertebrae, possibly Xiphactinus: Late cretaceous. The larger of the two, in situ under a few inches of water. The smaller was about a foot away. Preprep: I tore them up getting them out of the matrix - bad collecting on my part as I could have been more careful. Post prep: I used baking soda as blast media at about 25 psi and had some trouble trying to clea
  12. charlie3425

    Broken Phosphate fossil

    Hello everyone. I recently bought this heavy piece of Mosasaur spine in matrix. During transport the top of one of the vertebra got smashed to little pieces and dust (not the sellers fault, it coulnd't be packed better). The fossil now shows the inside of the vert (wich is also beautiful to my opinion). Where the piece broke off the fosfat stone is quite soft though. Should I stabilise/fixate it and how can I do this? Thanx for tips! Jerry
  13. Hi everyone ! Is this a real mosasaur jaw with tooth ? Any red flag & restoration & composite ? I hope the pictures are good enough if not I can ask seller for more addition pictures . as always thank you in advance . Guns
  14. Hiya everyone I’m interested in this bone block the seller says it’s a mosasaur bone block any help on if the id is right would be great and if the matrix is original many thanks
  15. Well it’s a long time coming but I finally received the cast of my Mosasaur skull from 2013. SMU did great work with this. It was donated to the Shuler Museum and today is the first time I’ve seen it put together. It’s a good day is this eligible for Fossil of the Month?
  16. Despite the heat I managed to get a solo trip down to the Ramanessin yesterday afternoon. I was hoping after the rains this past week things might be a little stirred up. On my last post I joked about the tiny super worn mosasaur tooth breaking the curse... and I am happy to report I was right. Little bit of everything this trip (small squares are 1/4 inch): Big mosasaur tooth, worn, but it made me very happy Pretty nice little lobster/shrimp Partial ratfish plate Coral/sponge? Crow shark t
  17. Just found this a couple days ago, and I'm wondering what I might have. My best guess is that it's mosasaur material, possibly a fragment of bone from one's paddle or a scapula fragment? Interested to hear what people think.
  18. Hi everyone! This is a Prognathodon tooth from Oulad Abdoun Basin, Morocco. I know that lots of rooted mosasaur tooth are composite or fake, so I am so happy to get such a nice rooted tooth from a reliable seller! The root has groove, which is a place for a new growing tooth, and has a great texture. I wanted to soak this and wash out some dusts from the root, but I saw a thread that says I should not soak Moroccan fossils.
  19. Hello everyone! I was able to sneak out to one of my favorite NJ Cretaceous spots following the storms and had a really nice trip in a short period of time so I figured I would share! The turtle shell is soft-shelled so that actually probably my rarest find of the day. I also found one and a half Mosasaur teeth. The one in the separate picture is the thinnest one I ever found (out of 60+ Mosasaur teeth) but it checks all the other boxes for Mosasaur so that's what I have it labeled as. The vert is pretty cool because it still has some processes attached. Add in the Ratf
  20. Hi everyone! I could really use some help identifying this one. I found it at Post Oak Creek. I included a bunch of pictures that I labeled so you all can know what I'm talking about. The microscope shots have a red scale bar that is 1 mm. Here's what I know it's Cretaceous 94-90 million years old from the Eagle Ford Group. the bone surface is mostly weathered but still in it's original shape. except for some major weathering on the back of the left side. It came from a large vertebrate. The bottom is flat, the back is concave, it slopes forward to a blunt
  21. Hi I realise a lot of these jaws are faked now from looking online, I wonder if you had any thoughts on this jaw, I’m leaning towards your usual Moroccan forgery but would love to get your input, thanks!!
  22. Trevor

    Mosasaur material

    From the album: New Jersey Late Cretaceous

    This is my mosasaur material as of (May 20, 2021)

    © Trevor P. Martin

  23. flyingpenut

    North Sulphur River Trip

    Pictures from my latest NSR trip. Some mosasaur verts and bones, a jaw, ammonites, baculites, and of course the normal array of oddities. No really good verts but still fun. Does anyone know what jaw this would have come from? Also the turtle looking shell and the large white bone next to it feel a lot heavier than recent bone to me so maybe Pleistocene. Ill send a few close ups of those and of the crazier stuff later.
  24. Last Sunday was a day for the books. I had been thinking about nothing but calculus for days, and it was time for a change of pace. After briefly scouting a potential area with google maps, I set off on the 20 minute drive with no expectations. I was happy to just explore, as I knew finding shark teeth (my usual goal) in Austin is rarely an easy task. As I "arrived", I struggled to find parking, so I pulled into an empty business lot nearby to try and figure it out. I couldn't so I thought maybe google reviews could help.... and it turns out that not only is there no parking,
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