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  1. Danusorn Chu

    What is this brachiopod fossil?

    I found it from the old rock from Frick province which my cousin found around 5 years ago. This fossil width is almost 20mm.
  2. phylloceras

    IMG_5963

    From the album: Ammonites of the Betic Ranges (Spain) and world

    Lytoceras sp. in glauconite. Lower Pliensbachian. Betic Range (Spain)
  3. pachy-pleuro-whatnot-odon

    Lyme Bay marine crocodile described

    Roughly two years ago, while investigating the identity of a marine reptile tooth said to have come from Lyme Regis, I got hinted about a spectacular new marine crocodile, much older than any other member of the thalattosuchian clade. This new species has finally been described: Turnersuchus hingleyae! Set outside the traditional subgroupings of teleosauroidea and metriorhynchoidea, this newly described species has major implications for the evolutionary relationships between thalattosuchians and other crocodylomorphs. Wilberg, Godoy, Griffiths, Turner & Benson, 2023. A new early diverging thalattosuchian (Crocodylomorpha) from the Early Jurassic (Pliensbachian) of Dorset, U.K. and implications for the origin and evolution of the group. Art by Júlia d'Oliveira (source)
  4. Hi ! So I went on a walk in some marls in Lozère, France. Usually, I find some amonites and belemnites but this time I decided to change from my usual spot and searched around. I found an isolated marl which is a couple of kilometers away from the main marls which are known to be from the Toarcian. In the whole region (région des grands causses), marls can be either from Toarcian or Pliensbachian according to french wikipedia (https://fr.wikipedia.org/wiki/Marne_(géologie) ). Anyway in this new marl, I didn't find the same fossils as usual, at all. I found mainly gastropods, very small bivalves as well as some rare cases of amonites (which are abundant on the contrary on the other spot). So I was wondering what they were. I believe there are at least two different species in my findings : those on the upper lines look like some pictures of Amphitrochus pictures I found on this forum and on the net. On the second line are what I believe is a second species I didn't really manage to find similar thing on this forum. Under it I put the best looking very small bivalve I found in the very same marl. Do you know what could those be ? I hope it interests you ! Alice
  5. Danusorn Chu

    What is this bivalve fossil species?

    I don't know whether this species is trigoniid or nuculanid bivalve. This fossil was found by me during fossil hunting at Frick, Switzerland with my family.
  6. This ammonite was found by my cousin's husband at Frick, Switzerland in June 2017. The diameter of the ammonite is 19.5 mm. This ammonite is calcified.
  7. From the album: Early Jurassic Ammonites from Southern Germany

    ø 7,5cm. Pliensbachian. Found in the Aubach in the Wutach Valley.
  8. From the Lusitanian Basin.
  9. Ludwigia

    Dayiceras sp.

    From the Lusitanian Basin
  10. Pleuromya

    Circular object.

    Hi, this is a fossil I have found when looking through slices of rock. It's circular, with a depression in the middle, like a vertebrae. It is 3.6 cm across. It is from the Dyrham formation, which is Jurassic. Many thanks.
  11. I have these fossils here from the early Jurassic, Northamptonshire. I was wondering if the one on the left could possibly be a coprolite, or some other fossil, although most likely not. It does stick to the tounge. I also have these bumps on bits of rock, and was wondering if they could possibly be due to bivalves? And lastly, a slightly curved thing that has equal thickness which I have no clue what it is. Many thanks
  12. From the album: Early Jurassic Ammonites from Southern Germany

    7.5cm. davoei zone Carixian Early Pliensbachian From Schandelah, Grabau, Lower Saxony
  13. From the album: Cephalopods Worldwide

    13cm. ibex zone Early Pliensbachian Early Jurassic Found at Blockley Brickworks, Cotswold, Gloucestershire, UK
  14. From the album: Early Jurassic Ammonites from Southern Germany

    8cm. maculatum horizon davoei zone Early Pliensbachian From the area near Braunschweig in Lower Saxony.
  15. I believe I've already mentioned elsewhere that I do some prep work for an English paleontologist in exchange for raw material which I can work on for my own collection. The last batch he sent me contained among other things a concretion containing an Amaltheus margaritatus ammonite from the well known site at Eype on the Dorset coast. This was a first for me. Although I've worked on a good number of concretions in the past, I had as yet to deal with one from Eype. Here's what it looked like upon arrival. As you can see, it was easy to locate the ammonite, but I was a bit concerned because of the exposure that some weathering had gotten at it. There also may have been some other fossils under the matrix, so I decided to first start off with the abrader to see if I could find anything. It turned out that the surface was too hard to make much noticeable progress, so I turned to the scribe instead. After a bit of laborious digging it became pretty obvious that there wasn't much to find. Since the scribe work had been incredibly tedious, I then decided to give the concretion a well-placed whack, in the hopes that it would split along the lines of a typical Whitby Dactylioceras concreton. The whack was well-placed and thought out, but unfortunately, as I had feared, the ammonite split through the middle of the weathered part. Oh well, you can't win them all . I had made a photo at this stage, but unfortunately I deleted it unwittingly, otherwise I could show you the mess. Fortunately it was a clean break and I could also salvage the couple of little pieces which flew off. So the next step was to remove as much matrix as possible with the diamond edged saw from the broken-off piece and glue it back onto the rest. I also disposed of the negative part of the concretion, which reduced the size of the piece considerably. I used superglue and let it cure for 24 hours. Here's what it looked like before I continued: I took to the abrader again, hoping that I wouldn't necessarily have to use the scribe too much, for fear that the vibrations might loosen things up and managed to get this far, but the matrix was so hard in places that even working with 120psi didn't make the necessary headway. There were also some nasty little pyrite concretions causing problems. So I held my breath and, with a firm grip on the sensitive area, I started scratching away bit by bit until I had reached this stage: The weathering had seeped in between steinkern and shell, causing some loss of shell, but at least the general form was still intact. I then again turned to the abrader to finish it off: I then decided to fill in the gaps with a stonemeal mix, coated it with my favorite beeswax finish and ended up with this result: Amaltheus margaritatus 11cm. Late Pliensbachian margaritatus zone Early Jurassic From Eype, Dorset, UK
  16. From the album: Cephalopods Worldwide

    11cm. margaritatus zone Late Pliensbachian Early Jurassic From Eype, Dorset, UK
  17. Ludwigia

    Discohelix sinistra (D'Orbigny 1850)

    From the album: Gastropods and Bivalves Worldwide

    3.5cm. With tube worms on the inner whorls and a bivalve at the mouth aperture. From the early Pliensbachian at the quarry in Fuegerolles, Normandy, France.
  18. Ludwigia

    Pseudokatosira undulata

    Shell preservation
  19. Ludwigia

    Francocerithium kochii

    Shell preservation
  20. Calcite steinkern.
  21. Ludwigia

    Lytoceras fimbriatum (Sowerby 1817)

    From the album: Cephalopods Worldwide

    11cm. Carixian, lowest Pliensbachian, Lower Jurassic. From Steinbourg, Elsass, France.
  22. Pyritized phragmocone.
  23. Pyritized phragmocone.
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