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Found 14 results

  1. ammonite ID thread

    Hi guys, hope everyone is doing well. In my free time I've been working on properly labeling my fossils. Now, not being an expert, I'm not quite sure of all the ID's but I'm not about to flood the forum with ID requests. So here are some of the ammonites I'm least sure about. If anyone could provide any more information on formations and ages etc. that would be great! Even if its hard to acquire more info on them, it will be a fun opportunity to showcase some of my ammonites. 1. 2. 3.darellia semicostata, burton bradstock 4.label says Dichotomoceras bifurcatoides from the middle oxfordian of poitiers, france, looks like persiphinctes spp to me though
  2. Harpoceras

    From the album Yorkshire Ammonites

    Harpoceras ammonite with Little Dactylioceras gracile found by me at sandsend and prepped by Mark Hawkes.
  3. Tonight, I started a block that iv had for quite some time, and being dying to prep. Annoyingly, the split from the nodule was very poor, cause a few different cracks, all the way through the ammonite. I glued this back up two days ago and let it set before starting prep. I couldn’t wait to get home from work today, so I could begin the real work. Prep photos to follow in the comments as I can’t size down these files any more
  4. From the album Bobby’s ammonites

    Dactylioceras toxophorum and Harpoceras Isle Skye uk probably my favourite in my collection
  5. Harpoceras

    From the album Holzmaden

    A 20 cm big ammonite (Harpoceras) from the quarry Kromer in Holzmaden (lower Jurassic).
  6. Calcite mold of part of the phragmocone.
  7. Ammonite from Rom, France

    Hello again, Here another fossil that I bought at the same time as the shell in the previous topic. It's an ammonite coming from Rom, near Tours, in France; and the age of it is around 185mya (Pliensbachien stage of the early Jurassic). The seller did noot know what species it was exactly, but he was thinking of possibly Harpoceras sp. If yes, then what species of Harpoceras is it? If no, what is it then? Best regards, Max
  8. Harpoceras subplanatum (Oppel 1856)

    The shell of this specimen is crushed, but it nevertheless withstood the pressure. Phragmocone.
  9. Help with Ammonite ID

    I am hoping someone can help ID this ammonite I bought at a recent gem fair in Santa Rosa. The seller said it was a pyritized ammonite from France but didn't know anything more about it. (He had bought it from a seller from Romania and language was a barrier.) My best guess it is it is a microconch specimen from the Harpoceras genus but the growth lines aren't as sharply sickle shaped as the textbook examples I have seen. (Would you call these ribs "falcate" or "falcoid"? They look somewhere in between to me.) Also note the repeating squiggly lines running along the sides. Are these suture lines or are they artifacts of the pyritization (?) process? Thanks for your help!
  10. Index fossil for zone and subzone. Also known as Harpoceras falciferum. Literature: Howarth, M.K. (1973): The Stratigraphy and Ammonite Fauna of the Upper Liassic Grey Shales of the Yorkshire Coast. Bulletin of the British Museum (Natural History) Geology. Vol.24 No.4 Howarth, M.K. (1992): The Ammonite Family Hildoceratidae in the Lower Jurassic of Britain. Monograph of the Palaeontographical Society.
  11. Harpoceras

    From the album Holzmaden

    Ammonit, Harpoceras; Size: 5cm long; Age: Lower Jurassic; Location: quarry Kromer
  12. Harpoceras

    From the album Holzmaden

    One of my best Ammonit. Its a Harpoceras (a very common specie in Holzmaden) from Holzmaden.
  13. Harpoceras sp.

    From the album Ammonites

    Harpoceras sp. Jurassic, Flea market, Paris.
  14. Harpoceras

    From the album Holzmaden

    A big Harpoceras falcifer (?) and some smaller ammonites from Holzmaden.