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Showing results for tags 'russia?'.
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Hi everyone! I acquired this in an estate wholesale with a bunch of other ammonites (mostly Moroccan and Madagascan). This one caught my eye immediately as I don't know how to id it or even where it came from (I think it's Russian just by comparing it to pictures of other pyritized ammonites but I'm not 100% sure). The interior has been completely pyritized and some of the aragonite shell remains which is pretty unique. Any help on where this could have come from, age, and genus would be greatly appreciated.
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- ammonite
- cretaceous?
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Hello all! I bought this bug like 20 years ago. If I remember correct, the vendor said it comes from Russia, Ural mountain range. Through a research, I found that there are a couple of paleozoic outrcrops in the area. I also checked trilobite species and looks like this one belongs to Redlichiida or Corynexochida order. These two orders have similar cephalon stracture (Cephalic doublure). The pygdium looks significant thinner than the rest of the body. I think I can count 10 ribs on the main body. Its total size is almost 5cm and the matrix is 7X5.5cm. I have increased the contrast using photoshop so as more details can be seen. Hope someone can tell me more!