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Found 26 results

  1. Pliosaur jaw

    A rare pliosaur jaw with part of tooth unfortunately it's weathered tooth and it's measures about 4 inches and incomplete its could be larger what's a monster it would be. Its from Jurassic, Kimmeridge Clay. Dredged from the Smallmouth Sands off Weymouth Harbour, Dorset
  2. Plesiosaur/Pliosaur Tooth Fragment(?)

    From the album Post Oak Creek

    A small chunk of enamel from a marine reptile found in POC. Could be plesiosaur. It has strong striations not found on mosasaurs. Scale bar = 1 cm. Collected 6/21/18.
  3. Hi, How can you tell by isolated bones, besides the skull, if you see a pliosaur or plesiosaur remains? Any obvious differences in paddle bones or vertebrae? Triangular teeth? Does it all depend on the given species? Thanks
  4. Hi, I was wondering if this tooth could be from a Pliosaur. It is from the Goulmima area in Morocco. It is 8.8cm in length and some of the striations remain near the tip (the size is what makes me think Pliosaur). Thanks.
  5. Pliosaur model

    It’s been enjoyable talking to people in the forum and sharing a common interest so I thought I would share some old images of a rough pliosaur model I made years ago. I think I modelled it on a kronosaurus and went with a sort of ‘elephant seal’ bulk look as at the time I was reading about marine reptiles inhabiting colder southern seas. I was trying to get the impression of size in the photos - a sort of divers perspective as it cruised past uncomfortably close ....
  6. Pliosaur discovery The landowner has asked that the location is kept secret to avoid the problem of having unauthorised collectors trespassing on their land, and the risk that unscrupulous individuals may loot the site and destroy valuable scientific information in doing so. 28/10/2017 First discoveries The SDGS organised a field trip to a quarry known for its exposures of the Lower Chalk and Kimmeridge Clay. It was a very successful day, and many interesting finds were made by members of the society, including ichthyosaur and plesiosaur bones, and a possible dinosaur bone. The most significant find of the day however was a very muddy lump of limestone which on closer examination showed itself to be the tip of the snout of a pliosaur. The bone was found at the bottom of a clay face a meter and a half high. Within the face is yellowish, pyritic bed which look similar to some of the clay adhering to the snout. Other bones, including a vertebral centrum and the atlas-axis were found either in material eroded from the face or in situ.The prospect looks good for more bones, possibly of a scattered skeleton of the animal. 01/01/2018 Preparation of premaxilla The bones found on the first visit were took to Mark Evans at New Walk Museum, Leicester for his views on their identity and significance. We had initially identified the tip of the snout as a maxilliary symphysis, but Mark determined that it is the premaxilla. He also identified the atlas-axis, The outcome of this was that the find is potentially of considerable significance. Large pliosaurs are rare. 26/05/2018 Second site visit A second field trip was arranged with the intention to find out if any more of the animal is preserved. The team started to dig into the face to expose the bed from which the bones originated. After a rather dicouraging first hour or so, vertebra started to appear. It became clear that this is not just a few scattered bones, but possibly a substantially complete carcase. 16/06/2018 Third visit After the success of the last visit, it became clear that a more systematic approach to the excavation is needed. Sketches of the layout of the bones within a 50x50cm grid were made, and bones were numbered as they were lifted. The preservation of the bone is patchy. Most of the vertebral centra are robust and well-preserved, but the ribs are in general very friable especially when wet. Centra were numbered and lifted at the end of the day. Ribs were soaked in a weak paraloid in acetone solution, covered with foil and paper towels and left in place for lifting on the next visit. 16/06/2018 Vertebrae lifted The vertebrae 56-64 were lifted at the end of the day. 67 was loose and was also lifted. Ribs and the neural spine (50) were consolidated using increasing concentrations of paraloid in acetone, covered in foil and left in place. All in-situ material remaining was then covered with newspaper, a layer of plastic sheeting and loose clay. 04/07/2018 Excavation day 4 This and the following day were made possible by the cooperation and support of the quarry, who gave us access to the site during working hours and provided help in the form of a digger to excavate the overburden over a wide area. 19 more bones were found on the day, including five vertebrae, two of them with the neural arch intact. Star find of the day is a tooth, tentatively identified as a ratchet tooth and circular section in section, which may be significant in determining the taxonomic identity of the specimen. The ribs which had been left in place after the previous visit were lifted, in most cases jacketted. For some plastered fabric strips were used, others the more traditional method of plaster of paris and hessian strips. 05/07/2018 Excavation day 5 This turned out to be the final day of excavation. Only one more bone was found, a large rib (120). A wide area of at least 2m from any bone location was dug to below the horizon in which the bones are found discovered nothing more. The dig was completed by mid-day. The build up to an outing up North The Stamford and District Geological Society has a history of visiting this quarry. Starting in 2009 and went for 3 consecutive years.With one more organised visit there in 2014 arranged by long serving field secretary Kenny Nye. It wasn’t until the beginning of September 2017 that Kenny had contacted me to say he had spoke to the quarry foreman to arrange another visit. Bearing in mind that no one else had visited the quarry since our last visit in 2014! this was an opportunity not to be missed. The SDGS has a good group of members who are well versed with working quarries. With tried and tested methods in place from previous significant finds in the past. But as we have not travelled this far for some time I felt that we needed someone on board who knew the area well. Or more importantly and if possibly knows the geology of this quarry. As I’ve suggested before you need to do your research and get your questions out there. You would be surprised to how many people are willing to listen. I find when researching on the internet you need a few specific words to get you going in the right direction. For this field trip, it was “Jurassic marine deposits in the UK. Then let the following relevant “of on a tangent” search results run their course. Kimmeridge Clay Formations (Upper Jurassic) was the leading search result. Especially as these horizons have yielded numerous complete and fragmentary remains that grace many private and museum collections across the UK. Now interestingly after reading about numerous Kimmeridge Clay specimens being found here there and everywhere. My attention was often diverted to a rare Cretaceous ichthyosaur from Lincolnshire. Admittedly not Kimmeridge Clay Formation but two “of on a tangent” key words were found (a marine reptile Ichthyosaur) and (Lincolnshire). The rare ichthyosaur was found by the geologist John Green who bought this to the attention of the palaeontologist Dean Lomax. The geologist John Green and Lincolnshire associated together became more and more apparent in my research. After one final late night on the laptop I discovered “John Green” had conducted some research on the foreshore to where the Scunthorpe Pliosaur was found. So, there was one obvious thing to do now, that was speak to Dean Lomax as the SDGS know him quite well and find out how to contact John Green immediately to acquire his thoughts and opinions. And of course, to tag along for our forthcoming field trip. After an in-depth phone call, John has agreed to go with us which is somewhat of a relief as I felt the group could hit the ground running, now with have someone in the group who has good experience of this quarry. The SDGS met as planned at the quarry around 07.30am and were greeted by the quarry foreman. It’s an absolute must that both parties (quarry management and visiting group) are singing of the same sheet straight away. So, when the Health and Safety talk is mentioned you need to absorb everything that is mentioned. As you have to remember that the quarry has put a lot of trust in our group, if you let them down then don’t expect any return trips. We were then pointed in the general direction towards the quarry, which was a long way away and told to have a nice time and to look out for each other. So, what more can you ask for, trust is established, and head off to see what we can find. It was a pleasurable walk as we meandered down to the bottom of the quarry, with time to chat on a loose plan of action while discussing various geology write ups of the quarry. A 20-minute walk soon got us to the quarry floor. Now there is a lot of geology going on all around you, you can look through vast amounts of Chalk, Kimmeridge Clay and even Carstone Formation exposures. We were allowed 4 hours at the quarry so it’s time for less chatting and heads down looking at the ground in front of you. The quarry floor is certainly a wide-open space of Kimmeridgian clay with a scattering of Bivalves and numerous fragments of ammonites. But for me somehow felt a little un-fossiliferous so decided to go off track somewhat and scale some of the steep sided quarry sides or steps as they are known. While traversing up and down one of these banks, perhaps 20 feet from the quarry floor itself. I found myself following a trail of small Rasenia cymodoce? Ammonites. Followed these for perhaps a good 30 meters or so until the trail ended. But pressed on a bit further, and so glad I did because the next thing I was looking down at was a large vertebra. I had no idea what from at the time due its poor condition, but of course we do now. So, this was the start of the discovery of the Scunthorpe Pliosaur. The blog of mine written above for anyone who may be interested is perhaps a little light on context but I hope you get the gist of things. But please do pick out of it what you want, if you would like me to elaborate a bit more on anything of interest then I’m more than happy to discuss to the best of my ability." Some of the many vertebrae found below.
  7. Found by yours truly (D) from DE&i https://www.bbc.co.uk/news/uk-england-humber-47370838 https://www.grimsbytelegraph.co.uk/news/local-news/sea-monster-pliosaur-scunthorpe-museum-2585293
  8. What is the largest pliosaur vertebra you have seen? Do any exceed 20 cm?
  9. Plesiosaur/Ichthyosaur teeth

    Hey! Thought I would share a photo of my British Ichthyosaur and Plesiosaur teeth (and 2 Plesiosaur ribs and a shark tooth!) Most of these fossils come from South Wales except for the large tooth. It is suspected to be from Eurycleidus and was found in Aust, England. Plesiosaur teeth from the UK are apparently very rare.
  10. Pliosaur tooth from Russia

    Hi everyone, Please can you let me know your thoughts on this Peloneustes portentificus pliosaur tooth, it is from Ural Mountains in Russia and is just above an inch in size? I am not sure if anyone has some nice ones in their collection but it would be cool to see if anyone does for comparison purposes. Thanks! Jai
  11. Goulmima Pliosaur tooth?

    Hello, I recently bought this tooth and it was labelled as a Pliosaur tooth. I was wondering if this is true as I haven’t seen many fossils from Goulmima.
  12. Missing pliosaurs?

    This started bothering me from lack of fossils for sale(and tooth prices when they are), and although this is far from anything scientific or reliable, I feel like I hear about plesiosaur fossil finds significantly more than pliosaurs finds(im not really sure how to begin searching for that kind of compiled info). Is there a reason pliosaurs seem to be so rare? As far as fossils for sale, the only thing I can think of, other than pliosaurs being just plain rare(super rare when compared to the number of plesiosaurs), is that for some reason everyone just mistakes/assumes pliosaur fossils are actually from plesiosaurs.
  13. On Sunday I took a trip to the Natural History Museum in London. I queued up before it opened at 10am and even before then there was a long queue. I have not visited this museum since I was a child and spent an entire day there (10am to 4.30pm - a long time). I was surprised as it is a lot bigger than I remembered and there was so much to see. This place has the most wonderful things and is an incredible place to learn. The museum showcases a Baryonyx, Sophie the Stegosaurus (the world's most complete Stegosaurus) and more! The moving Trex and Deinonychus are also really realistic in the way they move. If you like your dinosaur teeth, the Megalosaurus and Daspletosaurus teeth are out of this world! There is something for everyone in this museum and I would highly recommend that you visit here if you have not already! A lot of the dinosaur specimens are casts taken from other museums but they are still cool to look at. I had taken the photos on my SLR and due to the size of the photos I had to reduce the quality of them to be able to post on the forum which is unfortunate but it's the only way otherwise the photos would take a really long time to load. There are more non-dinosaur related photos that I will be posting at some point later on but may take me some time to pick out. Enjoy the photos from this section of the museum! Blue Zone Dinosaurs (has a mix of some photos of crocs too)
  14. Pliosaur tooth from Morocco?

    Hey guys. Saw this tooth labelled as pliosaur. It really looks like a fat plesiosaur,croc or mosa. Hard to tell. Is there a pliosaur expert here who can confirm it or not? Would be awesome. 4,5cm, Goulmima Morocco. Sorry these are the only pics I have. Kind regards
  15. Plesiosaur and pliosaur teeth

    From the album Marine reptiles and mammals

    Pliosaur teeth--liopleurodon ferox(?) & unidentified genera plesiosaur teeth--cryptoclidus sp & cryptoclidus sp (?) lower oxford clay callovian stage middle jurassic 160 mya peterborough, cambridge U.K. Hampton lakes & Bradley Fen.whittlesey
  16. Pliosaur vertebra

    Hey everyone. Saw this vertebra online labelled as a Pliosaur vertebra. I heard pliosaur is quite rare and valuable so maybe this could be a good deal. What do you think? It is from Gloucester UK. also from the Upper Triassic (Rhaetian) Thanks for suggestions! (Not sure if I will be able to respond quickly to this post but I will do it ASAP. )
  17. Drawing of Simolestes vorax

    Over the past few days I've been drawing up another paleo-reconstruction. After some time conflicting on which animal to draw, I settled on the rather under-celebrated pliosaur Simolestes vorax. S. vorax is a Jurassic pliosaur related to Liopleurodon, but is estimated to grow up to 10 meters in length, rivaling the size of the more famous pliosaur Kronosaurus. Heck, at one point there were even some theories that Simolestes was the owner of a gigantic lower front jaw dubbed "The NHM Symphysis", which was believed to be from a pliosaur exceeding 15 meters in length! Again, I used a Huion 1060PLUS Drawing Tablet and used Photoshop CS6. This time, drawing was a bit annoying due to constant need of omitting head details depicted on the skull I referenced. It took me a week to finish, and probably 5-6 whole hours in solid time due to the constant drawing/erasing.
  18. Brachauchenius

    Brachauchenius lucasi finds are more based in Kansas, but examples in Eagle Ford Texas have been found, most notably Willison's 1907 second B. lucasi skull which has been found in the same area. There is a possibility that this tooth could actually be Polyptychodon hudsoni which have been also found in Eagle Ford, but based on the morphology of the tooth (especially the root part near the crown), I think it is more likely B. lucasi.
  19. Pliosaurus

    Estimated 160 mya.
  20. Texas Pliosaur and Mosasaur teeth

    So I've gotten myself into an extremely rare deal- a mosasaur and pliosaur tooth both in the US for a small fee of 130 bucks or so (95 british pound) The goodies arrived today, and I might as well show em off. First off, we have a mosasaur tooth from the Ozan Formation of Fannin County. Knowing that the NSR flows inside Fannin County and is also part of the Ozan Formation, This tooth is probably also from the NSR itself. Although the seller didn't have time to do a full ID on the tooth and simply labeled it as unidentified, by extensive comparing with other mosasaur teeth from the area, I can promptly assume that this is cf. Tylosaurus proriger, meaning that after 11+ years of my life, I finally have a T. proriger tooth . Unless someone decides to be a donkey and counterID it. Next, we got a tooth that has been sought out for by countless collectors- a north american pliosaur tooth. As with other Texan pliosaur teeth, this one was from the Britton Formation near Dallas. Again, the seller labeled it as an unidentified pliosaur. This time though, IDing is difficult. Based on my knowledge, the two possible candidates are Brachauchenius lucasi and Polyptychodon hudsoni, which both have been found in this area. But as its hard to tell the difference between the two in teeth, I can't make a solid pinpoint. Maybe I'll just be biased and label it as cf. Brachauchenius lucasi because brachs are more iconic to me and due to the unstableness of the polyptychodon taxon. Although not as large as other's tylosaurus teeth, this one still kicks over 4 cm which is still pretty big to me. The pliosaur tooth is just over 2 cm, making it quite small but worth due to its rarity.
  21. Source: Find the link HERE! Anyone else notice that there is a lot coming out of Russia recently? There must be a paleontology boom up there.
  22. Dear members of the fossil forum. Some time ago I bought several vertebrae from the Turonian layers of Goulmima, Morocco. 5 marine vertebrates have been found at that site until now. These are Tethysaurus (mosasaur), Thililua (polycotylid), Manemergus (polycotylid), Libonectes (plesiosaur) and Brachauchenius (pliosaur). I want to know if I have a fossil of each of these 4 groups from Goulmima. Therefore I need to know how the vertebrae look of each group. I know the difference between mosasaur vertebrae and the other 3 groups, but which differences exist between the other three? Thanks in advance, Sander
  23. Pliosaurs In Russia?

    Does anyone know about the occurrence of Pliosaurs in Russia? I recently acquired a lovely pliosaur tooth from Calvin from this forum, and the information given was: Polyptychodon interruptus Stary Oskol, Russia Upper Cretaceous I am curious because firstly, every single of this type of tooth are said to have came from Stary Oskol of Russia, and secondly they are all consistently listed as species Polyptychodon interruptus. However, I am not aware of any scientific papers or paleontology database listing Polyptychodon as a pliosaur from Russia. Polyptychodon is instead found in England and US. These teeth supposedly comes from an old German location. Could they be an unidentified species of pliosaur, or was Polyptychodon more wide-spread than we realized? Thank you. Here's a pic of a tooth that's almost identical to mine
  24. Dem Bones

    Hi All, found these together in old ex- brick quarry near Peterborough. (Same location as previous bone ID'd as Pliosaur Metacarpal) Any thoughts? Many thanks
  25. Badly Preserved Vertebrae

    Hello All, Can anyone ID this warn specimen? I think It's a large reptile tail vertabrae. Found in Barrington, Cambrideshire recently... Not sure if the hexagonal appearance is due to erosion or not. Any clues much appreciated. Best Pica
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