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  1. msantix

    Polycotylid lower jaw?

    Hi, Saw this and I think it is a small lower Polycotylid jaw (possibly from Manemergus or Thililua) and I wanted to get some opinions on it. It comes from near Goulmima in Morocco and is 42cm in length. Thank you!
  2. Hi there everyone! I acquired this plesiosaur tooth specimen from Oued Zem, Khouribga, Morocco not too long ago and I couldn't help but be fascinated by all of the different fossils found in the single piece of matrix. The front of the specimen contains a beautiful plesiosaur tooth with what I believe is a fish vertebrae and other fish material. On the back, the specimen is riddled with small shark teeth as seen by an exposed root and various exposed crowns. Though I'd greatly appreciate a positive ID on the plesiosaur tooth, I'm really more interested in th
  3. pachy-pleuro-whatnot-odon

    New longirostrine pliosaur described from the Oxford Clay

    Hi all, Just came across the exciting news that a new pliosaur genus and species has been described from the Callovian stage of the Oxford Clay near Yarnton in Oxfordshire. Dubbed Eardasaurus powelli (Powel's Yarnton lizard), it's a longirostrine thalassophonean pliosaur that is slightly more derived than Peloneustes philarchus (with which it shares numerous anatomical features) and forms a sister taxon to "Pliosaurus", Simolestes, Liopleurodon, Pliosaurus and brachaucheninae. A feature of particular interest in the dentition of this new species is the presence of connecting carina
  4. DanJeavs

    Monster Plesiosaur Verts

    I said to myself at the start of the year, I’d try to find more bone, rather than just ammonites. Well, last week I hit the jackpot of rarities here on the Yorkshire coast. Plesiosaur vertebrae. Now, marine reptile bone is quite rare here as a whole, Ichthyosaur comes out every now and then, but plesiosaur, pliosaur, and crocodile are MUCH rarer. So imagine my shock when I see a vert, pick it up, and it’s plesi. Then, I find a second, that slots on perfect, then, a third about ten metres away that also fits together. Straight onto the beach they went. I penned off the little shale matrix th
  5. PALEO POOD

    Id sea reptiles tooth

    Hey can anyone help me to id this tooth please it from Russia Belgorod region it's pliosaur or ichthyosaurus
  6. Fishinfossil

    NJ Cretaceous Partial Vert ID?

    Found in NJ Cretaceous stream. Any suggestions? Looks like a partial vertebrae. Possibly Plesiosaur? Or even Dino?
  7. Fishinfossil

    Possible NJ Plesiosaur tooth?

    Found in NJ Cretaceous stream. The striations stood out to me. Even though its small (about 3/4-inch) could it possibly be a plesiosaur tooth?
  8. I recently acquired a collection of Cretaceous fossils from the estate of a Dallas, TX, collector—mostly shark teeth. Unfortunately, they didn’t come with location info, though they were most likely collected in North Texas. I could use help identifying two of the non-shark fossils (and probably some of the shark teeth too, which I may post later). The scale in these photos is in centimeters. #1 - Is this a plesiosaur tooth? There are two cutting edges, on opposite sides of the tooth (see the third set of photos, top and bottom). #2 - I have no idea
  9. pachy-pleuro-whatnot-odon

    Ozan Formation polycotylid plesiosaur tooth fragment

    Hi all, I got this partial tooth in last week which I bought from a US-based seller claiming it was a mosasaur tooth - though I bought it already suspecting it is not. Having since received the specimen, I can confidently say it's plesiosaur, more than likely polycotylid, as the ornamentation exhibits dense packing of fine striations lingually and a near complete drop-off of striae labially with only some small ones remaining near the base of the crown at great intervals. In a lot of ways this type of ornamentation is reminiscent of that of Jurassic pliosaur teeth. But as the tooth
  10. pachy-pleuro-whatnot-odon

    Biritish Kimmeridgian plesiosaur tooth

    Hi all, I bought this Kimmeridgian plesiosaur tooth from the Faringdon sponge gravels a while back. It came identified as Colymbosaurus sp.. At that point, I simply accepted this identification, seeing as the teeth of Colymbosaurus (or, at least, what's suspected of being Colymbosaurus) were already known from the Etches Collection and I didn't really have the means to verify the ascription from online sources. Today, however, The Etches Collection posted a video on Kimmeridgian plesiosaurs on their YouTube-channel, which make it abundantly clear that my sp
  11. Per Christian

    Pliosaur? From Morocco

    Here is a 7 cm long tooth, claimed to be pliosaur. What do people here think? It's from Morocco, unsure where specifically. @pachy-pleuro-whatnot-odon
  12. jclynch1

    Not sure if fossil?

    Hello! Indulged my hobby a little this weekend (4-7 Mar) and headed to Lyme Regis for some sunny ammonite hunting. Found this while digging on East Beach there… I’m nowhere near experienced enough to determine if it’s even a fossil at all, but it was such an odd shape and I thought I’d ask! About 1 3/8 inch (3.5cm) across and approx 1 inch (2.5cm) thick. Found 5 March 2022 on East Beach, Lyme Regis, Dorset, UK. See photos below for details. Thank you everyone!
  13. Koss1959

    Jurassic Coast Fossils

    Hi all! I've been really busy creating all these watercolour illustrations based on fossils from the Jurassic Coast. Here we have an Ichthyosaur, a Plesiosaur, an Ammonite, a Scelidosaurus and a Belemnite. There will be a few more to come soon...
  14. Recent finds from my new year day adventure. Found these two teeth within 2 feet of one another. One I am confident in saying is a Mosasaur but the tooth on the right I need some help with! If anyone can shed some light it would be appreciated! Thanks
  15. Hi all, A couple of years ago I acquired a lovely pair of plesiosaur propodial bones from Lyme Regis. It was a matched pair of both humerus and femur. Today, when I was looking to make space in my cabinet for a new acquisition I had made, I discovered some odd dust next to the humerus that, on inspection and to my horror turned out to be pyrite bloom! I immediately removed the specimen from the cabinet, checked the other podial and nearby fossils, and used a tooth brush to brush of the most direct traces of pyrite decay. But the question is: what now? How do I ensure the propodial's prese
  16. charlie3425

    Fossils from the French west coast

    I was able to obtain a couple of fossils found on the western coast line of France. The first one is presumably a piece of paddle bone from the upper tithonian, found between Wimereux and Cap de la Crèche. It measures about 220 x 160 x 65mm. Very heavy. The second is a vertebra found between Cap d'Alprech and Equihen (Tithonian). Measuring about 80 x 65 x 35mm. Could these be pliosaur or rather plesiosaur fossils? I'm sure they are too worn to identify better than sp.? Thanx for notes!
  17. RuMert

    Big pl(es)iosaur vertebra

    From the album: Late Jurassic plesiosaurs from the Volga

    Ulyanovsk Oblast, Undory, Kimmeridgian, pyritized
  18. RuMert

    Plesiosaur vertebra

    From the album: Late Jurassic plesiosaurs from the Volga

    Probably Late Kimmeridgian. Ulyanovsk Oblast, Undory
  19. This fossil is in my collection for a while now. It is a quite heavy propodial found in Weymouth, Dorset, UK. It measures about 27cm in length. It's 12cm wide at the end, 6cm wide at the start. The centre part is 5 to 6 cm thick. I suppose it is Pliosaur (Stretosaur?), but it might be Plesiosaur instead? Thanx for opinions!
  20. Not sure if this goes here or in Fossil ID but I’ll post here… This is one of my latest online purchases, and one I had to snag because if this is what it’s supposed to be it’s a neat piece. But seeing as I can’t personally verify it myself, I thought I’d post here. This vertebra was being sold as Trinacromerum sp. While I doubt that just a centrum like this is identifiable down to genus, I would like to know whether or not this really is a Polycotilid vertebra. I think it’s likely because it’s a very sizable bone that’s not mosasaur, but just want to check. This fossil is, according
  21. Here’s a vertebra fragment I found in Cretaceous Black Creek group sediments of North Carolina. It’s not turtle, and it doesn’t look like any crocodile vertebra I’ve ever seen. That would leave mosasaur, plesiosaur, or dinosaur. Personally I think it’s mosasaur, but I could be wrong and it may not even possible to ID further. Any thoughts?
  22. Hi all, I recently decided to buy the below plesiosaur vertebra after having seen it for a long, long time. It dates to the Callovian of the Oxford Clay and was found at Peterborough. I suspect it may be attributed to Muraenosaurus leedsi, as it comes from a cryptoclidid plesiosaur, but is both larger and more elongate that the typical Oxford Clay Cryptoclidus vertebrae I'm familiar with. Supposedly coming from an old collection, it has a blackened exterior that doesn't cover the entire piece, with the more common buff colour visible underneath. As such, I expecte
  23. I have been thinking of buying this Plesiosaur tooth but I want to be sure its real and in well condition. Its from the Asfla Goulmima in Morocco. Turonian. Seller says its libonectes morgani.
  24. fossil_lover_2277

    North Carolina plesiosaur or shark vertebra?

    I just recently found this bone in the Cretaceous Black Creek group deposits of eastern North Carolina. I originally thought it was an oddly shaped shark vertebra, but now I think it might be a worn plesiosaur vert. based on the images I looked up online. The overall cross sectional shape is elliptical, and the center looks much too thick for shark (doesn’t pinch in towards the center). Any thoughts? Thanks!
  25. RobFallen

    Plesiosaur Tooth

    From the album: Robs Fossil Collection

    Lower Cretaceous Plesiosaur Tooth from Russia A very nice, well detailed tooth from this Cretaceous species of plesiosaurus Found:- Seversk Sandstone, Upper Albian, Lower Cretaceous, Stariy-Oskol, Belgorod Gebiet, Kursk, Russia Age:- 100 Million Years Old. Size = 2.2 cm long
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