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  1. Ludwigia

    Porpoceras vortex (Simpson 1855)

    From the album: Cephalopods Worldwide

    ø 77mm. Pyritized. Early Jurassic. Middle Toarcian. bifrons zone. fibulatum horizon. Found in the Causse du Larzac, Aveyron, France.
  2. Ludwigia

    Cenoceras jourdani (Dumortier 1874)

    From the album: Nautiloidea

    11cm. From the upper Toarcian in the Lafarge Cement quarry at Belmont near Lyon, France.
  3. drbush

    Beautiful ammonite

    Hi friends and happy holidays, I went to Marrat formation area (toarcian) to the west of Riyadh and found many ammonites, one of them is Nejdia bramkampi , it is one of the most beautiful ammonites you can find , enjoy.
  4. drbush

    unusual ammonits

    Hi friends and happy holidays ,can you help me with this ,I went to Marrat formation area (toarcian) to the west of Riyadh and found many ammonites ,they are small , thin , 6-10 cm wide and 4-5 cm high , it was a surface find . What sp. could they be?
  5. From the album: Cephalopods Worldwide

    4cm. Found in a concretion at Ravenscar, Yorkshire, GB. Early Toarcian bifrons zone.
  6. BathMC

    Help with ID for these please

    I keep finding small rocks at the base of banks alongside the road, around the area where I live in Bath, UK. Most of them contain bivalves but I keep coming across this shape which I can’t recognise (picture 1) Picture 2 is a close-up of rock A which seems least weathered. I think these are the imprints left behind by something but I also have an example of what I think could be the actual object itself (please excuse my lack of terminology!) but it’s tiny compared to the other three examples (picture 3) Any help with this would be great thanks.
  7. From the album: Cephalopods Worldwide

    6.5cm. From the Whitby Mudstone Formation, bifrons Zone, braunianus Subzone of the lower Toarcian at Saltwick Bay, Yorkshire.
  8. Ludwigia

    Porpoceras verticosum (Buckmann 1914)

    From the album: Cephalopods Worldwide

    6cm. Bifrons Zone, Lower Toarcian. From the Lafarge Quarry at Belmont near Lyon, France.
  9. doushantuo

    diplobelid taphonomy and ethology

    Predatory behaviour and taphonomy of a Jurassic belemnoid coleoid (Diplobelida, Cephalopoda) Dominique Jenny, Dirk Fuchs, Alexander I. Arkhipkin, Rolf B. Hauff, Barbara Fritschi & Christian Klug 1 pdf.pdf Nature,Scientific reports,9-2019
  10. will stevenson

    U. Toarcian french ammos

    Hi guys I was wondering if you could provide me with any more info than tha label provides thanks
  11. ricardo

    Koninckella liasina

    Dwarf Brachiopoda from early Toarcian Koninckella fauna in Portugal (Polymorphum Zone, Semicelatum subzone), comprising particularly Koninckella liasina, Nannirhynchia pygmaea and Pseudokingena deslongchamps. Koninckinidae became extinct in the early Toarcian and has minute size and peculiar shape (that is very similar to that of the Paleozoic strophomenids). Comas-Rengifo, M.J., Duarte, L.V., García Joral, F., Goy, A., 2013. Los braquiópodos del Toarciense Inferior (Jurásico) en el área de Rabaçal-Condeixa (Portugal): distribución estratigráfica y paleobiogeografía. Co
  12. ricardo

    Telothyris pyrenaica Dubar 1931

    Reference here. Comas-Rengifo, María & Duarte, Luís & García Joral, Fernando & Goy, A. (2013). The brachiopod record in the Lower Toarcian (jurassic) of the Rabaçal-Condeixa region (Portugal): Stratigraphic distribution and palaeobiogeography [Los braquiópodos del Toarciense Inferior (Jurásico) en el área de Rabaçal-Condeixa (Portugal): Distribución estratigráfica y paleobiogeografía]. Comunicacoes Geologicas. 100. 37-42.
  13. Belongs to the so-called “Koninckella Fauna” from the base of the Dactylioceras semicelatum Subzone.
  14. Belongs to the so-called “Koninckella Fauna” from the base of the Semicelatum Subzone.
  15. A lovely 18" belemnite slab I've bought for my birthday (birthday belemnites are a bit of a tradition!). From the Jurassic Posidonienschiefer (Toarcian, Upper Lias) of Holzmaden - a very interesting and unusual selection of mostly the same species, one with a nice epirostrum. Not quite sure of the actual species, but it's close to Acrocoelites subtenuis and A. gracilis - neither of which usually have epirostra (the squashed bit at the tip of photo 2). It also contains a couple of bonus teeth including a Hybodus type which Sebastian @belemniten tells me is a rarity there. Ap
  16. VStergios

    Ammonite ID

    Found a rather large and partially well preserved ammonite in ammonitico rosso dating early to middle Toarcian in the mountains of Epirus, Greece. Partially preserved because the other side was exposed and totally flattened. I am actually puzzled by the flattened state of the inner whorl as opposed to the outer whorl and center which appear intact. The shine is due to the paralloid-acetone mix i coated the specimen with, to prevent further deterioration. Would appreciate any suggestions to the species.
  17. I've just purchased a fine slab of belemnites from Holzmaden and the stratigraphy is given as Posidonienschifer, Lias epsilon II-102. I know that epsilon is Lower Toarcian but please could anyone enlighten me about the II-102? I particularly want to correlate this accurately with Yorkshire, if possible! @belemniten ? EDIT: I've just checked the seller's other material and one that I'd expect to be from the same beds is given as "II-12" - so @oilshale is almost certainly right with his answer below, and it see
  18. From the album: Gastropods and Bivalves Worldwide

    3 samples up to 1.5cm. long Toarcian Early Jurassic From Langlade near Nimes, France
  19. Exceptional fossils may need a breath of air to form University of Texas at Austin, November 6, 2019 https://phys.org/news/2019-11-exceptional-fossils-air.html https://www.sciencedaily.com/releases/2019/11/191106112109.htm https://www.eurekalert.org/pub_releases/2019-11/uota-efm110519.php Exceptionally preserved Jurassic sea life found in new fossil site by University of Texas at Austin https://phys.org/news/2017-01-exceptionally-jurassic-sea-life-fossil.html The paper is: A.D. Muscente Et Al, Taphonomy Of The Lower Jurassic
  20. From the album: Vertebrates

    Longileptolepis wiedenrothi Arratia & Thies, 2001 Early Jurassic Toarcian Haverlahwiese Salzgitter Lower Saxony Germany
  21. On Saturday, whilst - as I thought - recovering from a cold, I spent six hours in the blazing sunshine, hunting for ammonites in the inland exposures of the Beacon Limestone in Somerset, England. It involved a lot of physical exertion, especially for someone who was ill, with the result that it's now two days later and I'm as sick as a dog - and on my 40th birthday, too. If that's not depressing, tell me something that is. Whilst I'm feeling sorry for myself, at least I can take comfort in the fact that I made some pretty good finds. These are just the most photogenic finds, t
  22. Ludwigia

    Laevitomaria sp. (Conti & Szabo 1987)

    From the album: Gastropods and Bivalves Worldwide

    3x3.5cm. Complete with selenizone (Slitband) Late Toarcian From Zaouiat Cheikh Tadla Azilal Province Morocco
  23. Spent two afternoons in the workshop prepping some ammonites from the Beacon Limestone, a Toarcian deposit exposed in many places around Somerset, UK. Had a fair few disappointments, including several very large ammonites (for this area - about 8 inches) which had no centres. That's common for ammonites from this location, which is a pain because it often takes a lot of prep through sticky, tough rock before you can tell whether or not there's a centre. But there were some nice ones. I had cautiously high hopes for this large harpoceras... Which
  24. Hi all, Some weeks ago, I found a site pretty rich in brachipods from the Late Pliensbachian/Early Toarcian in my area (Pedraforca Zone, SE Pyrennes) So, I made a parenthesis in my Upper Cretaceous usual issues, for a change, and I have been picking & preparing them last weeks. This site is very well studied in this paper (in French), and in fossilworks. I probably i found all the species mentioned from the site: Telothyris pyrenaica Telothyris jauberti Q
  25. Hi, I have found this piece in a well-known jurassic site where brachs abound (Late Pliensbachian/early Toarcian, Tenuicostatum biozone, Iberian-Pyrennes basin) My guess is genus Pleuromya. At species level, Pleuromya rotundata is mentioned in the zone, but I find nothing about it (I fear of an invalid or junior species). It looks like Pleuromya uniformis, of whitch @Ludwigia and @nala have posted some pictures.
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