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Found 129 results

  1. Всем привет! Помогите пожалуйста с определением.-Узбекистан, Туронский. Translation: Hello! Please help with ID. Found in Dzhirakuduk-Kyzylkum-Uzbekistan. Turon brandy.
  2. Choffaticeras segne (Solger 1903)

    From the album Cephalopods Worldwide

    11.5cm. Early Turonian Late Cretaceous From Asfla, Goulmima, Atlas mountains, Morocco You can see the siphuncle in the bottom photo.
  3. ID for this shark

    Hi there! This is my first post at Fossil Forum, hope this information could help in getting some help to identify this fossil. It was found at a quarry in Vallecillo, Mexico (northeast part, less than 100 kms from Laredo, Texas). The fossils found here belong to the the Vallecillo member from the Agua Nueva formation, aparently from late Cenomanian to early Turonian. The full length including the separate vertebrae is aproximately 29 inches or 74 centimeters. The longest tooth is aproximately 1.4 centimeters long. I was only able to post a single picture, hope it helps.
  4. Ammonite hunt in Northern France

    We are back from a very windy fieldtrip to Cap blanc Nez in France. The wind covered a lot of the rocks with sand and sea foam ( https://en.wikipedia.org/wiki/Sea_foam ) which made fossil hunting rather difficult. We were helped by a local collector in the morning who guided us through the Turonian deposits of this site where we rarely colect, here we got 2 big ammonites. One of them was a Mamites nodosoides, this species as been on my wishlist for a while, so I am very happy with it In the afternoon we prospected the Cenomanian side. her we found the usual Mantelliceras and Scloenbachia ammonites. The prospecting site: ( we did see the coast of the UK on the other side of the channel ) Some of the ammonites we found: The Mammites: pictures of the prepped specimens will follow during the next week.
  5. Rudist ?

    Hi, a friend of mine told me he found some Placentyceras in a place where the geologic ages go from the Albian to the Turonian-Santonian, but most of the stratas of that place are Cenomanian. I believe this fossil is not an ammonite, but rather an Oyster or a rudist. I mostly think about Requienia or Toucasia. The geologic file mention the name of Toncasia bayleia. Do you know if Toncasia is a synonym of Toucasia and do you think i'm right thinking this is a rudist ? Lenght : 7 centimeters.
  6. This saturday the tides were ideal for a whole day of prospection at the foot of the chalk cliffs near Calais. We got there early in the morning when the water was going away from the cliffs. At the parking we were greeted by a veteran collector from this location, he took us along to the northern part of the site in search of big Turonian ammonites. A first for us since we've only collected more to the south in the cenomanian deposits. With his help we did find a couple of ammonites including a big specimen. around 1pm after lunch we parted ways and we went to the southern part of the site in search of cenomanian fossils, most of the beach was covered in sand, making it harder to find some decent boulders on the beach to break open. but the usual Schloenbachia and Mantelliceras ammonites did show up. we ended the day with dinner in a local tavern before heading back home whit a new load of fossils to clean and prepp. A Lewisceras Ammonite: A large Ammonite, I still have to prepp and Id it propperly: the extraction of the large ammonite: A nice find from Natalie: under the sand on the beach Albian deposits are present, but not visible, from time to time som fossils from those banks are washed out deeper in the sea and washed ashore. She found a nice Hoplites ammonite lying around on the beach: more pictures of the area: Schloenbachia varians: Mantelliceras specimens in situ: part of the fossils that made it back home: Pictures of prepped specimens will follow later
  7. Isastrea oblonga (Fleming 1827)

    From the album Slices

    6x3cm. Silicified coral from the area around Tisbury, Wiltshire, UK, known as the "Star Coral". Tithonian, Late Jurassic Portland Group.
  8. Kansas pliosaur skull

    Just got a new paper from ResearchGate It basically describes the dentition morphology of Megacephalosaurus eulerti, a pliosaur from the Turonian Carlile Shale of Kansas. The paper also looks at general aspects of M. eulerti cranial anatomy. The study is based on a beautiful skull housed at the Fort Hays Museum of Natural History (see below). Madzia, D., Sachs, S., & Lindgren, J. (2018). Morphological and phylogenetic aspects of the dentition of Megacephalosaurus eulerti, a pliosaurid from the Turonian of Kansas, USA, with remarks on the cranial anatomy of the taxon. Geological Magazine, 1-16. Abstract of the paper: Megacephalosaurus eulerti is a large macropredatory plesiosaur representing one of the last members of the diverse pliosaurid clade Brachaucheninae. The taxon was established upon a nearly complete skull including the mandible and fragments of the postcranial skeleton originating from the lower middle Turonian (Upper Cretaceous) of Kansas, USA. Owing to its age, reasonable completeness and its state of preservation, M. eulerti bears important anatomical details regarding the last brachauchenines. Here we assess the dentition of the taxon, compare the teeth to those of other thalassophonean pliosaurids and comment on the utility of these results for inferences of the phylogenetic relationships of the last brachauchenines. Additionally, we provide remarks on the cranial anatomy of M. eulerti, revise character scores of this taxon used in current phylogenetic studies and address the phylogenetic relationships within Brachaucheninae. Parsimony analyses, aimed to test different char- acter sampling and tree-search strategy, inferred only a single unambiguous synapomorphy uniting a clade formed by mid- to Late Cretaceous brachauchenines: presence of subcircular rather than subtrihedral/trihedral cross-sectional shape of the teeth. Still, the last brachauchenines (Brachauchenius and Megacephalosaurus) can be roughly characterized by a switch from anisodont to subisodont dentition and reduction of their tooth count. Nevertheless, the overall knowledge of the origin, phylogenetic relationships and distinguishability of brachauchenine pliosaurids remains poor and represents a subject for further extensive studies and modifications in taxon and character sampling. For those who want it, I can send it by email to them
  9. During april i and a friend had the oportunity to spend a few days hunting in cretaceous of Normandy, hunting for echinoids. Day one : We drove from brittany through Le Havre to Saint Jouin de Bruneval and Antifer Cape. (3 hours and a half) We let the car on the beach parking lot and hiked south on the peeble shore looking for fossils in the boulders on the beach. The cliff is cenomanian with a bit of albian at the bottom. You have to look carefully on rocks surface for the familliar spherical shape. I found about 20 urchins but thats about it. No shark tooth, just a poorly preserved ammonite (mantelliceras) and a few rhynchonellas At some point we noticed tide was coming back faster than expected, most likely because of the wind pushing the water back. We had to quicken the pace, and made our way through the slippery covered with algae rocks. We finally managed our way back to the car and took the road to Fécamp where we had booked an hotel for the next 2 nights. some finds of the day : Crassiholaster subglobosus : Crassiholaster subglobosus : Cyclothyris difformis : See the all hunt gallery here http://www.thefossilforum.com/index.php?/gallery/album/2849-haute-normandie-april-2018/ or on my flickr : https://flic.kr/s/aHsmiwWft6
  10. Micraster decipiens - 5

    From the album Haute normandie - April 2018

    Micraster decipiens : a cretaceous echinoid from Saint-Pierre en Port
  11. Micraster decipiens - 4

    From the album Haute normandie - April 2018

    Micraster decipiens : a cretaceous echinoid from Senneville sur Fécamp
  12. Micraster decipiens - 3

    From the album Haute normandie - April 2018

    Micraster decipiens : a cretaceous echinoid from Senneville sur Fécamp
  13. Micraster decipiens - 2

    From the album Haute normandie - April 2018

    Micraster decipiens : a cretaceous echinoid from Senneville sur Fécamp
  14. Micraster decipiens - 1

    From the album Haute normandie - April 2018

    Micraster decipiens : a cretaceous echinoid from Saint-Pierre en Port
  15. Kingena elegans group

    From the album Haute normandie - April 2018

    Kingena elegans : a cretaceous brachiopod from Senneville sur Fécamp
  16. Kingena elegans

    From the album Haute normandie - April 2018

    Kingena elegans : a cretaceous brachiopod from Senneville sur Fécamp
  17. Echinoids : best from the april 2018 hunt

    From the album Haute normandie - April 2018

    Last hunt from Normandy cretaceous : best of echinoids
  18. From the album Haute normandie - April 2018

    Last hunt in cretaceous from Normandy : the whole loot
  19. Echinocorys gravesii - 2

    From the album Haute normandie - April 2018

    Echinocorys gravesii : an echinoid from Normandy cretaceous.
  20. Echinocorys gravesii - 1 -2

    From the album Haute normandie - April 2018

    Echinocorys gravesii : an echinoid from Normandy cretaceous.
  21. Echinocorys gravesii - 1 - 1

    From the album Haute normandie - April 2018

    Echinocorys gravesii : an echinoid from Normandy cretaceous.
  22. Indet shark tooth

    From the album Haute normandie - April 2018

    Indet shark tooth from Normandy cretaceous.
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