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  1. Hi All, I'm new to this forum and thought I'd send over images of my theropod teeth plus one extremely impressive sauropod from Madagascar. Hope you like them! Paul
  2. I bought a dinosaur claw from Niger. Locality is always a problem, but I am hoping to get an general label on this claw. So far I got two suggestions from my own network: it looks like a Sauropod claw or Iguanodontian. Most sauropod claws in my collection are 'flatter' (vertical) and more oval. This claw more round and flat (horizontal). The claw is 12 cm (long) and 5 cm (high). Hope to get some more insights on this nice claw. Thanks!
  3. Daze

    Sauropod claw prep

    Just purchased this Sauropod ungual/claw from Niger, haven't received it yet though. I want to prep it a bit to make it look a little better, for instance some restoration to the tip. Also I notice the black/darker patches on the bone which I see a lot on claws from Niger. Are these remnants of bone or is this matrix?
  4. Greetings! I'm Dok Deino, a Paleontology student who is going into fossil prep. Fortunately, I was able to negotiate a volunteer position with my college advisor. My job: to prepare some specimens that have been in the collection for about 60 years. And one of them is pretty big. It's an unidentified sauropod femur, approximately 1.6-1.8 meters in length, weighing at least 70 kg. Genus unknown, but it is most likely from the Morrison formation. I believe the attached photo is a caudal view of the femur, if anyone wants to take a crack at ID-ing it. My professor and I are currently brainstorming our method of attack, but since neither of us are preparators (yet, in my case), I wanted to reach out to people who are. There's another specimen as well, but we have no idea what it might be. It's a 1.2x.2x.5 meter block of plaster, basically. All we know about the specimen is that the people who retrieved it only jacketed Dinosaur remains. So, if anyone out there has some advice, please respond! Whether for these specimens specifically, or just in general. This is an interesting field that I am very excited to break into! Thank you for reading, -Dok
  5. Between the weather and my busy schedule, I haven't been able to get out into the field, so I have been fossil-hunting in my mailbox. I bought a small collection of pieces that was something of a mish-mash. The labeling sucks. Some of the labels are missing and some are mixed up. This tooth did not have a label. It was mixed in with dinosaur material, including a sauropod eggshell fragment from South America, some hadrosaur bone fragments from the western US, and some Moroccan fossils. I don't know where this piece came from - it could be Morocco, it could be South America, it could be the US, or..... It measures 50mm long x 11mm wide at the base. It doesn't appear to be glued or repaired, but looks like it was sealed with some kind of butvar or poly. Does anyone know what critter this tooth is from? Any help would be greatly appreciated. Thanks in advance! MikeG
  6. Brevicolis

    Rebbachisaurus or other sauropod ?

    Hello , I have this beautiful and big sauropod tooth in my collection . I wanted to ask to which exact sauropod spezies it belongs to and which sauropods we're found there . Found in : Taouz, morocco Measures : 8 cm
  7. Maxaurus

    Sauropod eggshell pieces

    Hello, I bought these eggshell pieces which are megaloolithus type according to the seller. Unfortunately, their origin isn't mentioned, most of these eggshell pieces I saw are allegedly Titanosaurus or Saltasaurus from France or Argentina. Does anyone have any further information on these? Based on the below topics the brown eggshell piece is from France (compared to the eggshell pieces of the collection). But I'm not sure about the black/white piece. It is also much thicker than the brown one. Any help is appreciated. Thank you in advance!
  8. esteff

    Possible Sauropod?

    Found in Nevada. Washoe county. It is heavy, (have yet to weigh it). Length around 250 millimeters/ 25 centimeters.
  9. Daze

    Sauropod Claw?

    This is advertised as a Sauropod claw from Niger, no further locality listed. The morphology does seem kind of correct, but I have my doubts and something seems a bit off to me. Any opinions?
  10. Not sure if this is real or fake, prob a fake?
  11. Frightmares

    IMG_6732.jpeg

    From the album: Dinosaur Teeth

    Diplodocus tooth from Moffat County, Colorado.
  12. Frightmares

    IMG_6731.jpeg

    From the album: Dinosaur Teeth

    Diplodocus tooth from the Morrison Formation, Moffat County, Colorado.
  13. Frightmares

    IMG_6804.jpeg

    From the album: Dinosaur Teeth

    Some of my herbivorous dinosaur teeth. I need to fix a couple of the labels, as I've recently learned that "Tegana Formation" isn't actually a thing.
  14. LordTrilobite

    Kem Kem Vertebrae ID Thread

    So, lets figure out vertebrae from the Kem Kem beds. As many of you know the Kem Kem beds has a pretty enigmatic palaeo fauna. There is some literature about it, but not a whole lot. Some of it is behind a paywall and much information is pretty scattered. So I got this idea that maybe we could combine our knowledge and information to collectively get a better picture of which bone belongs to which animal, in this case, vertebrae. I know some of you have some fantastic specimens in your collections, if we combine these in this thread we might be able to see some patterns. We probably won't be able to put a genus or species name on each type, but perhaps assigning certain vertebrae to a morphotype might be possible. With that I encourage everyone that has any vertebrae from the Kem Kem beds to share photos of their specimens and post them here so we can use this thread as a sort of library as well as an ID thread that everyone can use to better ID their Kem Kem vertebrae. So please, share your photos! And it might help to number your specimens for easier reference. I will be updating this first post as new information arises with examples to make ID easier. Theropods Spinosaurids Spinosaurus aegyptiacus Spinosaurus is known for it's tall neural spines, which are pretty characteristic. Unlike Sigilmassasaurus, Spinosaurus does not have the ventral triangular rough plateau on the centra Spinosaurus mid cervical vertebra Spinosaurus dorsal, sacral and caudal vertebrae Caudal vertebrae Nearly complete tail from the neotype specimen of Spinosaurus aegyptiacus Sigilmassasaurus brevicollis Sigilmassasaurus is a Spinosaurid that might be closely related to Baryonyx and Suchomimus. It differs from Spinosaurus in that it has a ventral keel on many vertebrae and a triangular rough plateau on the bottom back end. A is Sigilmassasaurus, B is Baryonyx Sigilmassasaurus cervical vertebrae From anterior to posterior Sigilmassasaurus dorsal vertebrae Indeterminate Spinosaurid vertebrae Not a whole lot has been published yet, some bones can probably not be ID'd on genus level. Spinosaurid caudal vertebrae Anterior caudal: From LordTrilobite's collection Mid-posterior caudal: From Paleoworld-101's collection Mid-posterior caudal: From LordTrilobite's collection This caudal vertebra is less tall and more pinched in the middle of the centrum than the one from Paleoworld-101's collection. Likely due to a slightly more posterior position. Mid-posterior caudal: From LordTrilobite's collection Carcharodontosaurids Due to an old paper Sigilmassasaurus vertebrae are sometimes misidentified as Carcharodontosaurid. These vertebrae should be identified on the basis of the original description by Stromer. Two species of Carcharodontosaurids are known from the Kem Kem beds at this time. Carcharodontosaurus saharicus and Sauroniops pachytholus. Carcharodontosaurid cervical vertebrae Deltadromeus agilis Anterior (left) and mid (right) caudals better examples needed Abelisauroids Indeterminate Abelisauroid distal caudal From LordTrilobite's collection Abelisaurid dorsal vertebrae From Troodon's collection Sauropods Rebbachisaurus garasbae Not a whole lot is known about this titanosaur, as only a few bones have been found. Notice that the vertebrae are very extensively pneumaticised. Rebbachisaurus dorsal vertebrae Sauropod mid caudal vertebra. Possibly Rebbachisaurid. Unnamed Titanosaurian mid caudal vertebra Crocodilomorphs more examples needed Kemkemia This crocodile is only known by a single posterior caudal vertebra. Kemkemia caudal vertebra Turtles examples needed Pterosaurs Azhdarchids Azhdarchid (probably Alanqa) posterior fragment cervical vertebra Azhdarchid Mid cervical vertebra Sources Spinosaurids https://peerj.com/articles/1323/?utm_source=TrendMD&utm_campaign=PeerJ_TrendMD_1&utm_medium=TrendMD http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0144695 Sauropods Jeffrey A. Wilson & Ronan Allain (2015) Osteology of Rebbachisaurus garasbae Lavocat, 1954, a diplodocoid (Dinosauria, Sauropoda) from the early Late Cretaceous–aged Kem Kem beds of southeastern Morocco, Journal of Vertebrate Paleontology, 35:4, e1000701, DOI: 10.1080/02724634.2014.1000701 https://www.researchgate.net/publication/304214496_Evidence_of_a_derived_titanosaurian_Dinosauria_Sauropoda_in_the_Kem_Kem_beds_of_Morocco_with_comments_on_sauropod_paleoecology_in_the_Cretaceous_of_Africa Kemkemia sisn.pagepress.org/index.php/nhs/article/viewFile/nhs.2012.119/32 Pterosaurs https://docs.google.com/viewer?url=http%3A%2F%2Fwww.thefossilforum.com%2Fapplications%2Fcore%2Finterface%2Ffile%2Fattachment.php%3Fid%3D432009&fname=journal.pone.0010875.PDF&pdf=true https://riviste.unimi.it/index.php/RIPS/article/view/5967
  15. JorisVV

    Theropod or sauropod claw?

    This is a decent sized footclaw from Niger. I do get they are very hard to identify with species and that is not what I'm after. I am however after if its a Theropod claw or a Sauropod?
  16. Frightmares

    IMG_6739.jpeg

    From the album: Dinosaur Teeth

  17. Frightmares

    IMG_6765.jpeg

    From the album: Dinosaur Teeth

  18. Frightmares

    IMG_6764.jpeg

    From the album: Dinosaur Teeth

  19. Daze

    Kem Kem Sauropod Jaw Bone?

    This is being sold as a Sauropod Jaw bone section from the Kem Kem, but I have my doubts. Could it be Croc? Kem Kem basin, Tegana fm, Red Sandstone Beds. Taouz, South Marocco Length : 24 cm (9.45 inch)
  20. jordanosaurus

    Isalo III formation sauropod

    Hi, can you help me to identify that tooth ? Sauropod of the Isalo III formation of Madagascar. Maybe Lapparentosaurus or Archaeodontosaurus ? Thanks to you !
  21. The tooth shown below is supposed to be that of a Rebbachisaurus garasbae. However, insofar as my understanding goes, most sauropods of the superfamily Diplodocoidea have rather peg like teeth. Based on my limited knowledge of sauropod teeth I'd be inclined to place this as a titanosaur. Am I right in my assumption? Thanks in advance for any guidance Othniel
  22. Hello, The ambiguity of age and material from Niger aside, I wasn't 100% sure if these were sauropod teeth, or if they were the similar looking ornithocherid pterosaurs. It doesn't help that the teeth and most the outer enamel have been worn down by the sands. Locale: Gadoufaoua, Niger (not that this really has any weight behind it as we all know by now); though the sand matrix seems exclusive to the Cretaceous deposits. Measurement in cm. Tooth #1 Tooth #2
  23. How big could a sauropod get? Like, not what's the biggest sauropod, but what's the maximum size a sauropod could hypothetically achieve? what would be the maximum length, mass and/or height one of these animals could get to and still be biologically feasible? and how might these "maximum dimensions" change with different types of sauropods like brachiosaurs, titanosaurs, diplodocids etc? Also I know this isn't really fossil discussion and moreso dinosaurs in general, but idk where to ask. If any of y'all know any good dinosaur or other paleontology forums I would really appreciate some suggestions!
  24. Thought others might enjoy this. Always frustrating when you drop a fossil but you usually don't worry about them breaking the ground underneath you. https://www.livescience.com/animals/dinosaurs/humongous-100-foot-long-dinosaur-from-argentina-is-so-big-its-fossils-broke-the-road-during-transport
  25. Fullux

    Sauropod

    Hi, I got this piece of sauropod femur in February of this year as well as one more large piece, both associated and from the Morrison formation. Is there any way to differentiate fragmentary bones of sauropods from the Morrison or a way to get an identification on this individual?
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