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Found 105 results

  1. Tetragramma variolare (Brongiart 1822)

    From the album Echinodermata

    2.5cm. diameter. Early Cenomanian, Late Cretaceous. From Falaise du Cap de la Heve, Normandy, France.
  2. Fairly recent bit of opal fossil research

    After learning about Weewarrasaurus, I thought it'd be nice to report the 'lesser-known' recent bit of research about the opalised fossil site Lightning Ridge (New South Wales, Australia) It's basically the most up-to-date paper dealing with the geology - including age, stratigraphy and lithology - and vertebrate paleontology. The paper provides many new details about the Griman Creek Formation (GCF), a Cenomanian (mid-Cretaceous) formation which crops out in the area around Lightning Ridge. The GCF is a formation especially known for its diverse vertebrate paleo-ecosystem; of which many species are represented by quite a few opalised fossils The paper is also rather neat as it contains a nice overview of all the vertebrate groups represented at the GCF - an overview complete with a comprehensive (and up-to-date) list of vertebrate taxa, and several nice pictures of opalised vertebrate fossils Finally, the paper also indicates that a new ornithopod genus (Fostoria) from the GCF is soon going to be published Bell, P. R., Fanti, F., Hart, L. J., Milan, L. A., Craven, S. J., Brougham, T., & Smith, E. (2018). Revised geology, age, and vertebrate diversity of the dinosaur-bearing Griman Creek Formation (Cenomanian), Lightning Ridge, New South Wales, Australia. Palaeogeography, Palaeoclimatology, Palaeoecology. Abstract: The mid-Cretaceous Griman Creek Formation (GCF), which crops out near the town of Lightning Ridge in the Surat Basin of north-central New South Wales, Australia, is noteworthy for its opalised vertebrate fauna. The fossil assemblage comprises remains of aspidorhynchid teleosts, lamniform chondrichthyans, dipnoans, chelid and possible meiolaniform turtles, leptocleidid-like and possible elasmosaurid plesiosaurians, anhanguerian pterosaurs, titanosauriform sauropods, megaraptoran theropods, ankylosaurians, several forms of non-iguano- dontian and iguanodontian ornithopods, crocodylomorphs, enantiornithine birds, and stem and true mono- tremes, making it one of the most diverse mid-Cretaceous terrestrial vertebrate faunas in Australia. A detailed stratigraphic survey of twenty subterranean opal mines provides new information on the geology, age and pa- laeoenvironment of the main fossil-bearing beds. Vertebrate remains derive from the ‘Finch Clay facies’, lat- erally-extensive but discontinuous lenses of claystone that likely accumulated relatively rapidly in near-coastal but freshwater embayments (i.e. lagoonal conditions), and probably represent a single, roughly con- temporaneous fauna. U-Pb age dating of detrital zircons extracted from a distinct layer of volcanogenic claystone immediately overlying one of the opalised fossil-bearing layers yields a maximum depositional age of 100.2–96.6 Ma. These new dates confirm an early to mid-Cenomanian age for the fauna, rather than Albian, as has been reported previously. The GCF at Lightning Ridge is therefore equivalent to the middle part of the Winton Formation (Queensland) and several million years older than the sauropod-dominated fauna at Winton. For those who want the paper, PM me your email address and I'll send it to you -Christian
  3. Aboral view. Collected on C level. Adoral view. Collected on C level. It is from a different specimen due to matrix on the original and was added for identification purposes.
  4. I need help with this scale pattern. Snake or lizard? Cenomanian cretaceous
  5. On the surface this looks like a feather but i don't know if there are any plants that look like this. Here are the pics. Piece extracted from the cenomanian clay pits. Dated by argon from volcanic crystals on strata to cenomanian age late cretaceous.
  6. Goniopygus menardi (DESMAREST, 1825)

    Collected on D level. Matrix length: 14 cm. Test diameter: 2,5 cm. With some spines.
  7. Although lizards are prime material for fakers, i think this tail is authentic. It is an unusial cast fossil. Kind of like a ghost form. It seems that the tail became detached. Much like they do today. This is cenomanian age amber. From Myanmar kachin state.
  8. Cretaceous mushroom in amber????

    I need help in identifying this. Is it a mushroom in Cretaceous burmese amber? Cenomanian burmite from machine state?
  9. Hi, I have what seems to be a female scale insect acarii(?) that still seems to have unfertilized/ stillborn young in a couple of sacks. 2nd photo, the pebble like things in the center of the body. The first photo is the famous specimen in the earlier stage of brooding. My specimen may be a late stage one. What do you make of it?
  10. Dear TFF friends, I have those unclenead Mecaster lusitanicus (Loriol, 1888) from a XIX century classic location available for trade. I woul like humble european Pliocene Bivalvia for those or another echinoid specimen. Thank you! Mecaster lusitanicus (Loriol, 1888) C level, Cenomanian, Cretaceous. Salmanha quarry, Figueira da Foz. Regards, Ricardo
  11. Kem Kem Beds questions.

    Hello all, Like if told in a post last year, I have to make an essay for school by the end of the year. My subject is 'the paleodiversity of the Kem Kem beds' (but in dutch ofcourse). Now I have a few questions where I can't find an answer on. There might follow more question throughout the year. - Is there any Bahariasaurus species officially recorded at the Kem Kem Beds? I didn't find any paper on them from the Kem Kem so I assume they are only use commercially. Only described in the Bahariya formation in Egypt I guess? - Does anyone know what a Spinosaurus aegyptiacus premax tooth looks like? - I made a species list with all the species I found from the Ifezouane fm. and Aoufous fm. (I don't work on the Akrabou fm.). Does it looks complete or do you know any gaps? Or are there any names that are not longer used? Dinosauria: - Deltadromeus agilis - Rebbachisaurus garasbae - Carcharodontosaurus saharicus - Sauroniops pachytholus - Spinosaurus aegyptiacus - Sigilmassasaurus brevicollis - Dromaeosauridae indet. - Titanosauridae indet. - Abelisauridae indet. Crocodyliformes: - Aegisuchus witmeri - Araripesuchus rattoides - Elosuchus cherifiensis - Hamadasuchus rebouli - Kemkemia auditorei - Laganosuchus maghrebensis - Lavocatchampsa sigogneaurusselae Testudines: - Dirqadim schaefferi - Galianemys emringeri - Galianemys whitei - Hadadachelys escuilliei - Araripemys sp. Pisces: - Neoceratodus africanus - Ceratodus humei - Onchoprisits numidus - Dentilepisosteus kemkemensis - Distobatus nutiae - Calamopleurus africanus - Obaichthys africanus - Stromerichthys aethiopicus - Oniichthys falipoui - Aidachar pankowskii - cf. Bawitius sp. - Hybodontidae indet. - Mawsonia lavocati - Asteracanthus aegyptiacus - Tribodus sp. - Lissodus sp. - Serratolamna amonensis - Cretoxyrhindidae indet. - Marckgrafia lybica - Arganodus tiguidiensis - Lepidotus pankowskii - Concavotectum moroccensis - cf. Axelrodichthys - Bartschichthys sp. - Sudania sp. - Erfoudichthys rosae - Palaeonotopterus greenwoodi Pterosauria: - Alanqa saharica - Xericeps curvirostris - Siroccopteryx moroccensis - Tapejaridae indet. - Ornithocheiridae indet. - Pteranodontidae indet. - Azhdarchidae indet. - Dsungaripteroidea indet. Other: - Oumtkoutia anae - Kababisha sp. Thanks already. Thijs
  12. Raptor

    From the album Dinosaurs & flying reptiles

    Unidentified raptor fossil, likely clavicle, from kem kem, in Taouz, Morocco middle Cretaceous 100 mya
  13. Abelisaurid Premax Tooth

    A premaxillary tooth of an Abelisaurid.
  14. Is there something fishy here?

    Hi TFF friends, Here is one of my recent find. Hunting report to follow. I would like to get your help on this fossil. It looks like a bone and looks like fish to me but as it is the first time I found such fossil, some help would be welcome. It is a little bit smaller than 3 mm and broke right in the middle when I broke open a boulder on the shore. It is Cenomanian of age, and was found in Amakusa, Japan. Thanks by advance, David
  15. Yesterday my girlfriend and I made a fieldtrip to the Northern French coast. The tides were ideal to search for the whole day in the late cretaceous chalk deposits of Cap Blanc Nez. The start was a bit slow, not a lot of fossils to be seen, but when going further up the beach the first ammonites started to apear. the result of the day where a few decent ammonites ( schloenbachia varians and Mantelliceras sp. ), a few shark teeth: Natalie found most of them and she found a spectacular cowshark teeth, the first one I ever saw from there. My find of the day was a small but complete Cymatoceras ( Nautilus )
  16. 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
  17. From the album Haute normandie - April 2018

    Last hunt in cretaceous from Normandy : the whole loot
  18. Cyclothyris difformis - group view

    From the album Haute normandie - April 2018

    Cyclothyris difformis : a brachiopod from Normandy cretaceous
  19. Crassiholaster subglobosus - 2

    From the album Haute normandie - April 2018

    Crassiholaster subglobosus : an echinoid from Antifer cenomanian
  20. Crassiholaster subglobosus - 1

    From the album Haute normandie - April 2018

    Crassiholaster subglobosus : an echinoid from Antifer cenomanian
  21. Hemiaster bufo - 1

    From the album Vaches Noires spring 2018 and a bit of 2016

    Hemiaster bufo : irregular echinoid from the cenomanian of "les Vaches Noires" Cliffs - collected during april 2018
  22. Hemiaster bufo - 2

    From the album Vaches Noires spring 2018 and a bit of 2016

    Hemiaster bufo irregular echinoid from the cenomanian of "les Vaches Noires" Cliffs - collected during april 2018.
  23. Catopygus carinatus

    From the album Vaches Noires spring 2018 and a bit of 2016

    Catopygus carinatus irregular echinoid from the cenomanian of "les Vaches Noires" Cliffs - collected during april 2018
  24. Sellithyris biplicata

    From the album Vaches Noires spring 2018 and a bit of 2016

    Sellithyris biplicata : brachiopod from the cenomanian of "les Vaches Noires" Cliffs - collected during april 2018.
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