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Found 25 results

  1. The past few weeks at the Tucson Fossil I ran across a few fake Spinosaur claws but also was surprised how many good ones there were on the market. I also understand the issues with online claws so decided to put this topic out to help collectors gain a better understanding of them since they are very expensive. These are my opinions and welcome others since no one person as all the answers. There is no bullet proof approach you can take to insure you have a claw that is not totally fake or composited. There are some things you need to consider. - First try dealing w
  2. Per Christian

    Baryonyx jaw? Tooth?

    This fossil is listed as a Baryonyx tooth with possible jaw underneath. What do members here make of it? Is it possible to tell whether it's a jaw or not alongside the tooth? Formation: Wealden formation, Hastings.
  3. An unusual mid-cervical vertebra belonging to a large spinosaurid from the Cenomanian Kem Kem Group of Morocco is described in this new paper. Here is one more example that continues to fuel the debate that there are multiple Spinosaurids in the Kem Kem Group https://journals.library.ualberta.ca/vamp/index.php/VAMP/article/view/29370 Conclusions from paper: The specimen ROM 65537 represents a new spinosaurid mid-cervical morphotype from the Kem Kem Group of Morocco, with a unique combination of characters not previous
  4. Hello everybody ok, its a little clickbaity, because I'm not talking about a scientific article, as I'm just a random amateur with no scientific background. But I had the chance to publish an article in the most important german fossil magazine, the Steinkern, with around a circulation of 1,500 With good content everybody can write an article there, from amateurs like me to professional paleontologists. It mainly focues on german fossils, like Amonites and other Marine fossils, but is open to all fossil fields. Just use this link to scroll through some magazine
  5. trilo

    Kem Kem teeth

    Hi, just working and prep on a box full of Kem Kem material incl. some verts (will post later) and some nice teeth. below are two teeth which I would now label up as Spinosaurid indet. - can you guys confirm this? 1. a small one 2.3cm long:
  6. Came across this site hosted by Christophe Hendrickx a well known theropod Paleontologist. A lot of what he has is already provided in papers but this is the first site completely dedicated to the worldwide group of dinosaurs know as Spinosauridae Pretty cool. This site like many others has a bias toward what paleontologist believes and who he is associated with... so no mention Sigilmassasaurus. I found it interesting but its not gospel just another source of information and opinion. Remember theropods from the Kem Kem especially Spinosaurids are poorly understood and lots of
  7. BioBob

    Flat elongated Kem Kem bone ID

    I've got this long flat bone from the Kem Kem with a wide base, it was presumably attached to a larger bone. It also seems like it's missing the tip. I thought it might be a small spinosaurid neural spine but it has a weird lump of bone on one side so it seems like it is something else. Is this lump a muscle scar? Or a healed wound? And could this bone be an odd spinosaurid neural spine or is it something entirely else?
  8. BioBob

    Kem Kem croc jaw fragments ID

    I've got five jaw fragments from the Kem Kem of which I think they are from crocodilians. Any ideas as to what genus or species these belong would be appriciated. 1. No idea what this jaw is from, but my best guess is some crocodilian. 2. I also don't know what this is but also probably some crocodilian. 3. This one has a hard layer of sediment covering it and it's missing the underside of the jaw. It looks a bit like the dented part of a Spinosaurus dentary but it's more likely also crocodilian. 4. Definitely crocodilian, has a typical croc texture (lots of dents). To me i
  9. Hi all, I have another fossil here for your inspection please. It seems to be a Spinosaurid partial neural spine but I cannot be sure. @Troodon @LordTrilobite
  10. Thefossilman92

    Croc or spinosaurid teeth? Kem kem

    Hi! Are these teeth croc or spino teeth? , The curvature and the robustness makes me wonder if they could be croc teeth. Both are from Kem Kem Tooth 1:
  11. LordTrilobite

    Spinosaur Caudal Vertebra

    A distal caudal vertebra of a Spinosaurid. What's slightly unusual about this vertebra is that it's slightly more slender than most Spinosaurid caudal vertebrae, which have a more square shaped centrum as seen from the lateral side. I am currently uncertain whether this is individual variation or that it might be taxonomically significant.
  12. LordTrilobite

    Spinosaur Shoulder Blade

    Partial right shoulder blade of a Spinosaurid. Very similar to that of the neotype skeletal reconstruction of Spinosaurus aegyptiacus. There are several large gnaw marks on the lateral side of the bone.
  13. Saw this online, it looks suspicious (but i am no expert) and i thought i would post here for confirmation. It is over 6 and a half inches long.
  14. lone5wolf117

    Baryonyx tooth

    From the album: Theropod fossils

    Baryonyx tooth Wessex Formation
  15. I've been looking at this 9 cm tooth at an online shop, but it's identified as Suchomimus tenerensis from Hamada gu Guir, Kem Kem, Morocco, and as far as I can gather, Suchomimus has only been found in Niger. I'm very much an amateur but I haven't seen striations on any Spinosaurus teeth I've come across. Any ideas?
  16. These bones from the Kem Kem Beds of Morocco are being offered for sale as Spinosaurus Phalanx Toe Bones. They appear to be carpals, hand bones, and most likely from one of the Spinosaurid's in that fauna. Please note that I've yet to find any technical paper that describes any Spinosaurid hand bones The seller indicates only some glued and fill fractures however the excessive matrix on both these carpals might indicate otherwise. The distal end of the carpal on the right appears to have lots of "fill"
  17. Location: Morocco Kem Kem Beds To often Crocodile jaws are composited with Spinosaurid teeth and sold as Spinosaurus jaws. So the purpose of this topic is to show the diagnostic features of Spinosaurid jaws First its extremely rare that any jaw from this region contains functional teeth. Germ/unerupted teeth are more common but those are typically well into the tooth cavity and not protuding above the jaw line. So its highly probable that those you see sold with teeth are composited. We currently do not know if there is a variation between the jaws of the differ
  18. LordTrilobite

    Spinosaurid Tooth

    From the album: Reptile Fossils

    Spinosaurus aegyptiacus Stromer, 1915 A tooth of a Spinosaurid. Location: Kem Kem beds, Morocco Age: Cenomanian, Late Cretaceous

    © Olof Moleman

  19. LordTrilobite

    Spinosaurid tooth

    From the album: Reptile Fossils

    Spinosaurus aegyptiacus Stromer, 1915 A tooth of a Spinosaur. Location: Kem Kem beds, Morocco Age: Cenomanian, Upper Cretaceous

    © Olof Moleman

  20. LordTrilobite

    Sigilmassasaurus vertebra

    Fourth cervical vertebra of a Spinosaurid. Very likely Sigilmassasaurus due to the short dorsal spine and proportions of the postzygapophyses.
  21. LordTrilobite

    Spinosaurus Quadrate & Quadratojugal

    Skull bones of an adult Spinosaurus aegyptiacus, consists of a right quadrate and partial quadratojugal. There is some slight lateral crushing, otherwise the bone is in wonderful condition. The quadratojugal is slightly out of place and jammed into the quadrate anteriorly.
  22. WhodamanHD

    Spinosaurid tooth

    From the album: WhodamanHD's Fossil collection.

    Spinosaurid tooth purchased from store. Labeled spinosaurus sp. from morroco.
  23. Susan from PA

    Rooted Spinosaurid tooth

    The newest addition to our dinosaur fossil collection from the Kem Kem Beds in Morocco, a rooted Spinosaurid tooth. It is 6 inches in length, and really shows the strength and size of this animal. There is some cool feed wear on the tip as well. This one is for my 7 year old son, and will be in his Easter basket on Sunday morning. Spinosaurus is is favorite dinosaur, and he's going to go bananas! Can't wait to see the look on his face! .
  24. LordTrilobite

    Sigilmassasaurus vertebra

    Vertebral process of Sigilmassasaurus. This is likely a mid cervical vertebra. It also bears close resemblance to the Spinosaurus maroccanus holotype which I consider to be synonymous with Sigilmassasaurus brevicollis.
  25. JohnBrewer

    Possible Spinosaurid

    From the album: Kem Kem teeth

    Possible Spinosaurid
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