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Found 40 results

  1. Ichthyosaur or pliosaur tooth?

    Hello all I acquired this tooth recently. It's those famous russian deposits that produce ichthyosaur and pliosaur remains. I bought it as an ichthyosaur tooth, but could it be it's pliosaur? I've noticed rootef ichthyosaur teeth have a bit different root, like a pronged root. But I'm hardly an expert so I'd greatly appreciate feedback from others
  2. Pliosaur tooth

    Thoughts on this, please? It's sold as Pliosaur tooth from Faringdon, Oxfordshire--Kimmeridge Clay. 13mm long. I have my doubts because most Pliosaur teeth that I see for sale have quite thick, distinct striations that this lacks. But of course, it could be a different type of pliosaur. Or I could be entirely wrong that they usually have thick striations.. Anyway, any thoughts would be most welcome.
  3. Pliosaur vert?

    I'm interested in a pliosaur vert. This one is slightly distorted due to crushing. From Kimmeridge Clay. 9cm x 6cm x2.5 Is Pliosaur accurate, or is it plesiosaur,.or something else? Thanks.
  4. I propose to buy this specimen if it is real. The seller told me that this specimen should belong to the pliosaur based on his experience, but I had a hard time to identify whether it is an ichthyosaur tooth or a pliosaur tooth. Is it an ichthyosaur tooth or a pliosaur tooth?
  5. Legendary Week

    Two hunts, two creeks, two legendary finds in one week. I don’t know what you know about Texas weather, but in July it’s hot. Downright miserable, unsafe heat at times. Just a week and a half ago we hit a heat index of 111 degrees. So when you have a day that tops out in the mid 90s for a high, you take advantage of that cool front. I checked the weather and saw that Tuesday had a high of only 94. I messaged my buddy @sharko69 and said, “Hey, its gonna be a nice day. Let’s do some hunting this afternoon after work.” So we meet up at our usual hunting spot and he shows me a new drop in that I had yet to explore. So we drop in and right away I spot a Ptychodus whipplei tooth coming out of the wall. Woohoo! I’m on the board! Not a bad start. So we head upstream walking through knee high water, boots sinking in the silt, and the occasional game of limbo as we climbed under fallen trees. All the while taking great caution. On his scouting trip to this spot my friend saw a slide mark on the muddy bank. Was it crocodile or beaver? A crocodile in a creek in north Texas would be highly unusual, so we hedged our bets on the laws of probability. After all, fortune favors the brave right? Still I did desire to return home to my family that night, so we were on high alert. Then we arrived at our destination; the place looked almost heavenly. An enormous gravel bar stood before us, we knew it had to contain something wonderful, but would we find it? Fast forward to an hour later, the only thing I’ve found since my Ptychodus are mosquitoes. Oh and the breeze stopped, so now it’s hot-ish, humid, and still. But I’m focused and press on despite feeling like I’m in an oven. After a while I found another shark tooth. Squalicorax, one of my favorites. Nice. My friend and I are chatting and he walks over to show me his find, a nice Cretalamna tooth. As he leaves I scoot over to continue my search and right behind his steps lay a sight unlike any other. A black, deeply striated, and large tooth. I jump up speechless and throw my hands on my head. I turned away and had to do a double take. Surely I can’t have seen what I just saw. Yup, I did. A beautiful Pliosaur tooth was waiting right there atop the gravel pile. My friend sees my silent commotion and bolts over. He starts yelling, jumping up and down, and freaking out, just like I am on the inside. I gently pull it out and it’s in wonderful shape and it even has some of the root still attached. To put this in perspective finding a Pliosaur fossil here is insanely rare. While I don’t know the exact number I can virtually guarantee that the number of Pliosaur teeth found here in north Texas in the last decade is in the single digits. My friend found one just two weeks prior in the same creek and back then I thought I had seen the only Pliosaur tooth I would ever see. Boy was I glad to be so wrong. The rest of the hunt after that is somewhat of a blur. I found a few more shark teeth, a tennis ball sized piece of coprolite, oh and a smile that I’ll have to have surgically removed from my face. Fast forward a few days to Friday night. My friends sends me a picture of a monster 2-1/4" shark tooth he found from a new creek earlier that day. Wanna join me early tomorrow morning to hit up the spot some more? Pssh, does a fat puppy hate fast cars? Of course I do! So the alarm goes off at 6 am and I successfully beat the sun out of bed for today's hunt. After a cup of joe I hop into the car and begin the trek. We meet up in an empty parking lot, it looks like we're spies out for a super secret rendezvous or up to some type of nefarious behavior. But the only nefarious behavior that was happening that day was.... well actually none at all. Just a nice fossil hunt, social distancing style. We drop into the site and get to work. Unlike last time where I found something immediately we were held to a big fat goose egg for quite a while. A solid hour or more. "Boy I'm not finding anything." "Yeah me neither." 30 seconds later i hear behind me, "Oh heck yeah!" I turn around to see my buddy holding a nice segment of Mosasaur jaw. Missing the tooth sadly, but a heck of a find nonetheless. Well, it's good to know that they're out here, but I just can't believe they're all scurrying away once I get close to them. So I continue to search. Fun fact about my buddy @sharko69. He is a master Ptychodus hunter. He's so gifted in fact, that I have accused him of selling his soul to the devil. And that in return he was given the power that whenever he walks by a Ptychodus tooth, it just hops up into his pocket. The verdict is still out on that accusation. So he tells me, "I have yet to find a Ptychodus yet here." So they must not be here, it's the only logical explanation given his power. So imagine my surprise when I looked down and saw a gorgeous Ptychodus latissimus tooth. I'm not getting shutout today! Whoop whoop! We press on and for another 30 minutes, nothing more is found except for a ton of broken and busted up septarian nodules. These dirty rotten tricksters are littered all over the creek. They constantly tempt us into thinking they're something cool, only to be let down yet again. I look down towards the water and see what looks like another septarian nodule. "Not fooling me this time" I say to myself. I look away, but as I do I instantly stop and look back. Something seemed odd about that one. I approach it and I freeze. I say out loud to my buddy who's standing next to me but facing the other way, "There's no way this is what I think it is." He turns around and shouts out, "YES IT IS!" I reach down and pull it out. What I hold in my shaking hands is a stack of associated Xiphactinus vertebrae. 2 complete vertebrae, half of a third, and a tiny piece of a fourth. They're resting nicely in a perfectly flat piece of matrix, almost as if mother nature herself carved it out for a perfect display base. The rest of the trip continued uneventfully for me for another couple hours. Yielding to me "only" an additional Squalicorax tooth. On the way back my friend pulls out yet another 2-1/4" tooth. His fifth tooth near or above the 2 inch mark in a week. (I meanwhile have yet to join the 2" club, but it's something I'm working on). At least with this find I can confirm that he is not bringing them from home and planting them and is indeed finding them. So that capped off a week in which I found two legendary once in a lifetime finds. It was a fun week filled with mild-ish weather, fun times spent with the Prince of Ptychodus, and brilliant one of a kind fossils. But I think the greatest treasure of all, was that of the deeply forged bond of friendship through the medium of fossicking. TLDR; Found two cool fossils.
  6. Marine reptile tooth ID Lyme Regis

    Hi all, Bought this tooth online a while back. It was sold to me as "Ichthyosaurus platyodon" (which I understand to mean Temnodontosaurus platyodon) from Lyme Regis. Likely found by the seller themselves, as I know they occasionally collect fossils there. However, for the following reasons, I'm not sure about this attribution: Overall, the tooth doesn't look like your typical ichthyosaur tooth to me: It has more of an oval rather than round cross-section It's labolingually flattened Messial and distal carinae run the full length of the crown and divide the tooth into labial and lingual parts While fine striations can be seen on one side of the tooth (presumably the lingual side), the other side (which would be the labial) seems entirely smooth - though some traces of rare striations can be seen on the photographs The striations are much more similar to those of crocodile or pliosaur teeth than to the plicidentine condition so typical of ichthyosaurs The horizontal banding on the tooth surface is unfamiliar to me with respect to most marine reptile teeth I have seen, but occurs much more frequently on crocodile teeth of various species I also bought another tooth with the same attribution from the seller, more or less around the same time. This one has no striations whatsoever, has a more rounded base, is less flattened and has a more rounded tip. It also has carinae. I therefore reclassified it as a probable Goniopholis sp. crocodile tooth. Now I know that not having the root makes it more difficult to identify this particular specimen, but I was hoping someone on this forum might be able to help me, as currently it goes without label. I've considered crocodile, plesiosaur and even pliosaur, but all of these have some reservations that prevent final classification. For one, none of these groups have teeth that are typically flattened like this, nor do plesiosaurs (sensu lato, thus including pliosaurs) have carinae. Crocodiles, then again, would either have or not have striations all around the tooth. And what to make of the banding: is this just preservational, or does it reflect the internal structure of the tooth - i.e. outcome of the tooth's ontological growth? Tooth measures 18 mm and is missing the tip. Thanks in advance for your help!
  7. It was initially being sold as plesiosaur when I inquired about it, but seller says it was mislabelled and is pliosaur--which, if accurate, even better! But I am dubious over Pliosaur ID because I don't think I've ever seen any Morocco pliosaur fossils up for sale. But, if anyone can take a look and let me if A) It looks legit and B ) Whether you think Pliosaur or plesiosaur is accurate, that would be great. 80 million years old, from Morocco. 17 inches along the straight edge and 10 inches along the bottom. Thanks for any help!
  8. Texas Pliosaur

    Went out for a hunt with friends today on a local creek in Denton County, Texas and came across this great tooth. Better beat up that not to find at all. Was totally stoked when I saw the tip and thought I had found a large mosy in this creek. Was even more excited when I made out what I had really found.
  9. Hi all, this is not actual news as it happened in 2002, but the footage of excavation process and participants' memories became available only recently. I hope it will be interesting for everybody who is into marine Mezozoic and field paleontology in general. The species: https://en.wikipedia.org/wiki/Luskhan Excavation video: Participants' memories: Set subtitles to automatic translation, its 70% correct:) There are some weirdo mistakes, but overall comprehensible Assembled skeleton on display: I described the location here:
  10. I've always been fascinated by the Cretaceous sea and its myriad of terrifying carnivores, many that would've made Jaws look meek. After watching BBC's Sea Monsters, I made it my goal to compile a box of sea monster fossils. I started this journey 10 years ago, and finally completed the box recently. Allow me to present my Predators of the Cretaceous Sea collection, and take you on a journey to the most dangerous sea of all times. The box measures 20.25 inches long. Inside are 24 unique predator fossils. I will introduce them from left to right, top to bottom: Rhombodus binkhorsti Age: 70.6 - 66 mya | late Cretaceous Formation: Severn Formation Locality: Bowie, Maryland, USA Size: 1 meters Diet: Molluscs and crustaceans art by Nobu Tamura --------------- Polyptychodon interruptus Age: 105.3 - 94.3 mya | Cretaceous Formation: Stoilensky Quarry stratigraphic unit Locality: Stary-Oskol, Belgorod Oblast, Russia Size: Maybe 7 meters (This is a tooth taxon so size is not confirmed) Diet: Anything it could catch Note: If you consider Polytychodon a nomen dubium, then this is a Pliosauridae indet. art by Mark Witton ----------------- Prognathodon giganteus Age: 70.6 - 66 mya | late Cretaceous Formation: Ouled Abdoun Basin Locality: Khouribga Phosphate Deposits, Morocco Size: 10-14 meters Diet: Everything art by SYSTEM(ZBrushCentral) --------------- Coloborhynchinae indet. Age: 99.7 - 94.3 mya | late Cretaceous Formation: Kem Kem Beds Locality: Southeast Morocco Size: 7 meters (high estimate) Diet: Fish and cephalopods
  11. UK Marine Reptile Teeth

    Hello all, I've had two teeth in my collection for many years now. I've recently moved and lost the supplied ID labels that came with them. I've taken this as a nice opportunity to see what others may think they are. I believe if memory serves me right the large tooth (Tooth A in photos) was labeled as a Simolestes. Then the smaller tooth tip (Tooth B in photos) labeled as Liopleurodon. I know both were found in the Wicklesham pit in Faringdon, Oxfordshire, UK. Upon some research, I found an article from 2014 with a Dakosaurus tooth discovered to be the largest in the UK at the time. This tooth bears some resemblance to tooth A but I'm unsure. I've attached a link to the article below. Tooth B has been worn down but still presents with grooves in the enamel. I have also labeled each photo to allow for easier identification when talking about it (Hope this helps!). Im excited to hear what others think. Thanks for reading Link to articles on Dakosaurus- http://www.sci-news.com/paleontology/science-tooth-fossil-dakosaurus-maximus-01954.html
  12. Are there ways to differentiate long neck plesiosaur bones vs. pliosaur bones*(specifically vertebrae from the kimmeridge clay in this case), other than by size, in some cases? *or any of the paddle bones
  13. UK Ichthyosaur or Pliosaur Tooth

    Hello, I recently got a hold of this tooth from an old collection in the UK. I am unsure if this tooth wouldve come from a ichthyosaur or a pliosaur since the root is absent and I'm not expert in this material, so any feedback that help figure this tooth out is appreciated.
  14. Plesiosaur tooth/teeth?

    This kind of tooth surface, with the ridges, isn’t that for the most part, not a common plesiosaur feature? This is from Lyme Regis....what would you all think?
  15. Pliosaur tooth?

    I just saw this could it be a pliosaur tooth, measures 3cm long and found in Russia?
  16. Do these look like Pliosaur teeth?

    Do these two fragmented teeth look like they could be from a Pliosaur? one is 3.7cm and the other is 2.8cm. Both come from the Goulmima region in Morocco. Thanks.
  17. 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
  18. 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
  19. 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.
  20. 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 ....
  21. 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.
  22. 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
  23. What is the largest pliosaur vertebra you have seen? Do any exceed 20 cm?
  24. Pliosaur tooth from Russia

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