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Found 73 results

  1. 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 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 cervical vertebrae Spinosaurus dorsal, sacral and caudal vertebrae 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 Sigilmassasaurus dorsal vertebrae Charcharodontosaurids 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. Carcharodontosaurid cervical vertebrae Abelisaurids examples needed Deltadromeus agilis better examples needed Sauropods Rebbachisaurus Rebbachisaurus dorsal vertebrae Crocodiles more examples needed Kemkemia This crocodile is only known by a single terminal caudal vertebra. Kemkemia caudal vertebra Turtles examples needed Pterosaurs examples needed 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 Kemkemia sisn.pagepress.org/index.php/nhs/article/viewFile/nhs.2012.119/32
  2. Fossils from middle East phosphates

    Can anyone please help I'd those fossils? From the tethys phosphates middle East. The first one is just a thin layer (not an impression) So it's not a tooth or a vertebra. But I can't tell what it is. Looks like a scale or a limpet... Also in the second pic I would really appreciate if someone knows which shark species they are!
  3. Wood ?

    Hi again, this one looks like a piece of wood, do you agree ?
  4. 4 Moroccan teeth

    Hi all, At the local market yesterday I bought these 4 teeth (in total for a very low price). All 4 are said to come from Morocco, but the seller didn't say the exact location. But I suppose that they are either from Kem Kem or Khouribga. Anyways I would just like your opinion on them (what species, 100% original or slightly reconstructed, anything I could do to "improve" them, etc). Thanks in advance! Best regards, Max Tooth #1: sold as a spinosaur tooth (so I suppose it's from Kem Kem).
  5. What gasterae ?

    Hi everybody. Hi everybody, i've found those garsteropods in the cenomanian of Charentes-Maritimes, South-West of France. I thought the first one can be a worn Neoptyxis fleuriausa, but i'm not sure. The last looks like a Conus. I thank you in advance for your time and answers. Sophie. 1) 2)
  6. Rudist or other bivalve ?

    Among my founds i have Rynchostreonae, Pycnodonts, and also Rudists : a Polyconites, some Sphaerulites and some pieces of Ichthyosarcolites. But i wonder about this piece. Is it a Rudist, an Oyster, or something else ?
  7. What kind of shells are those ?

    Hi everybody. I ask your help once again to help me find what kind of shells are those two tiny and cute things : First, there is that column beside a brachiopod. It is between seven and eight millimeters of long and three millimeters wide :
  8. sponge or else ? 6

    Hi again, here is the last piece i found from the cenomanian that could be sponge. It is calcitized because it fizzes with vinegar, so i think it also could be a strange concretion. If it's a sponge, in the book on the fossils of Charentes-Maritimes i have, the closest looking-like sponge photo i found is a Doryderma sp..
  9. Ichthyosarcolites

    Most of the time what is found of this Rudist are fragments of the internal cast of its left valve. Complete, it can reach one meter. Those are three fragments found in different places of Port des Barques. The longest are abbout 11 centimeters. The largest and smallest one has a width of more than three centimeters.
  10. corals

    Hi everybody, last week i found some corals and i need your help to try to identify them because i'm no expert at all. For those who can't visualize the tags like me, it is the cenomanian from south-west of France. Thanks in advance. 1)
  11. Hi, last week i was in holidays in the department of Charentes Maritimes, in a place where you have kilometers of uncovered seabed and where the nearest isle is reachable by foot when the tide is low.
  12. sponge or else ? 5

    Hello again, always in the cenomanian of Charentes-Maritimes in France, i have those pieces. I think they are sponges. 1) 2)
  13. Sponge or else ? 4

    Here is another piece which, i believe could be a sponge. It looks like a stachyspongia, but i see that it's a Campanian sponge.
  14. Sponge or else ? 2

    I present you this tiny thing that sticks on an oyster shell. I believe it has great chances to be a sponge, what do you think ?
  15. The Kem Kem Beds are full of poorly understood Dinosaurs but the isolated material that wind up in collections are beautiful. The Beds consist of three formations: Ifezouane, Aoufous and Akrabou. I believe the first one is your primary Dinosaur producing layer in the Cenomanian age. The teeth that we see bombarding us at shows and online give us clues to the spectacular dinosaurs that roamed that region. Claws give us another perspective and by associating them to other regions we obtain more hints of what they looked like. A Dinosaur that no one needs introduction is Spinosaurus. I happen to have a beautiful hand and two foot claws. A small hand claw also appears to be that of an infant Spinosaurs or another related species. Another Dinosaur that collectors are familiar with is Carcharodontosaurus. I cannot say definitively that this is a hand claw from one but it closely resembles those found in South America.
  16. Lit.: FRANCISCO JOSÉ POYATO-ARIZA and SYLVIE WENZ ( 2005 ) AKROMYSTAX TILMACHITON GEN. ET SP. NOV., A NEW PYCNODONTID FISH FROM THE LEBANESE LATE CRETACEOUS OF HAQEL AND EN NAMMOURA. Journal of Vertebrate Paleontology 25(1):27–45.
  17. Rhynchodercetis sp

    From the album North Africa

    Given to me as a gift, this is Rhynchodercetis from the Kem Kem beds of Morocco; possibly R. yovanovitchi, although I cannot make a definitive identification. The specimen is complete, although the state of preservation is not superb; the skull, vertebra,ribs, and rays in the fins are all visible, but not in fine detail.
  18. Unknown Ammonite

    A couple of years ago, while on a romp through the Rio Puerco Valley, I found this ammonite. Since then, I have attempted to find a proper i.d. for this specimen through literature and documentation of New Mexico's Late Cretaceous ammonites. With very little luck, the closest resemblance were ammonites in the subfamily Puzosiinae, which are not documented from New Mexico. Today I decided to show the curator and the ammonite researcher at the New Mexico Museum of Natural History and Science. Good news...they did not know what it was! ...pretty exciting. Anyhoo, I have donated it to be studied but figured I would post it here as well. Unknown ammonite from the Late Cretaceous (Cenomanian) Paguate Mbr. of the Dakota Formation - New Mexico, USA. I doubt they'll be jumping on this right after lunch, but I will let ya'll know the results as I do. Happy hunting, -P.
  19. A trip to Haute Normandie cretaceous cliffs ( The plasterers' balad ) - Part 1 During three days we travelled along the Haute Normandie coast. The area we ventured in is cretaceous : cenomanian (-99 MA), turonian (-93 MA) and coniacian (-89 MA), following the west to east dip. Day 1 : Antifer We met in Saint-Jouin de Bruneval, on the beach parking lot next to the oil terminal. We started the trip at 9 am, so we could hike quite far before the tide would stop us. Sky was shiny and quite fast the temperature started to rise. We mostly spent the morning looking for fossils in cenomanian boulders and chalcedonies among the peebles. We let the tide lock us and made a break for a picnic and a nap. Once the tide let us, we started again to look for fossils, under a scorching heat. At about 6 pm we made our way back to the cars. The beach which was empty in the morning was now overcrowded. We mostly found some irregular echinoids : crassiholaster and catopygus (some with a really nice preservation), some brachiopods, some bivalves (most fragile) (including nice rastellum) and 2 shark teeth. Here's a geoligical presentation of the area (in french unfortunately) http://craies.crihan.fr/?page_id=13478 Some of my finds on that day : heres a link a my flickr galery for the whole trip : https://www.flickr.com/photos/48637020@N06/albums/72157682540354264 Crassiholaster subglobosus Crassiholaster subglobosus Crassiholaster subglobosus with a smal bivalve print Catopygus colombarius more to come soon...
  20. Crassiholaster subglobosus 4 - oral view

    From the album Haute Normandie - may 2017

    Crassiholaster subglobosus (oral view) : an irregular ursin from Saint-Jouin de Bruneval, Normandy - Cretaceous - Cenomanian
  21. Crassiholaster subglobosus 3

    From the album Haute Normandie - may 2017

    Crassiholaster subglobosus - an irregular ursin from Saint-Jouin de Bruneval, Normandy - Cretaceous - Cenomanian
  22. Crassiholaster subglobosus 2

    From the album Haute Normandie - may 2017

    Crassiholaster subglobosus - an irregular ursin from Saint-Jouin de Bruneval, Normandy - Cretaceous - Cenomanian
  23. Crassiholaster subglobosus 1

    From the album Haute Normandie - may 2017

    Crassiholaster subglobosus - an irregular ursin from Saint-Jouin de Bruneval, Normandy - Cretaceous - Cenomanian
  24. Catopygus colombarius

    From the album Haute Normandie - may 2017

    Catopygus colombarius, an irregular ursin from Saint-Jouin de Bruneval, Normandy - Cretaceous - Cenomanian
  25. Indet. Bivalve

    From the album Haute Normandie - may 2017

    Indet. Bivalve from Saint-Jouin de Bruneval, Normandy - Cretaceous - Cenomanian
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