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Showing results for tags 'kosmoceras'.
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From the album: Jurassic Coast UK Oxford Clay Formation
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From the album: Jurassic Coast UK Oxford Clay Formation
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Ammonite Kosmoceras spinosum Jurassic Coast UK
JamieLynn posted a gallery image in Member Collections
From the album: Jurassic Coast UK Oxford Clay Formation
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- ammonite
- jurassic coast
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I recently bought these two ammonites from a seller who listed them as Kosmoceras sp from Khakassia, Russia, Jurassic period. Based on shape and size, I think these are likely the same species, but the white one has had more shell material removed; what's remaining looks super chalky with a lot of calcium in it. The more intact fossil has curvy ribbing and a slightly braided look to the keel, which has a distinct bevel. I haven't ever seen a Kosmoceras that looks like this - my other Kosmoceras specimens are pyritized fossils from near the Volga River and look much spinier. Can anyone confirm the ID or suggest a different one? Thank you!
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Hello all, Currently digging through boxes I haven't looked through for several years and came across these two ammonites. I thought they were Kosmoceras grossourvrei but they seem to be too coarsely ribbed, Kosmoceras pollucinum maybe? Any help or advice with this would be greatly appreciated. Found in the Lower Oxford Clay of Kings dyke, Cambridgeshire. Callovian stage. Cheers, Jacob.
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Hi there folks. I got this Kosmoceras from Russia but I have no species ID. Judging by the pictures posted in the ammonid page I was thinking about K. spinosum but have no idea if it's possible to determine the species with the specimen I have. Any help woould be much appreciated. Best regards and thanks in advance. =)
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From the album: Invertebrates
Kosmoceras phaeinum (BUCKMANN, 1923) Late Jurassic Callovian Michailow Oblast Rjasan Russia Diameter 5cm-
- jurassic
- kosmoceras
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Pyritized
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Pyritized
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From the album: Vaches Noires - april and march 2016
Kosmoceras sp : an ammonite from callovian clay of "les Vaches Noires" - Normandy - France