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EXTINCTIONS CHOICE - Multiple Ammonite Cluster
AMMONITES • RUSSIA • MULTIPLES
Stock Number XIARU23
EXTINCTIONS Choice

Name:   Cosmoceras sp. And Quenstedtoceras sp.
Age:  Jurassic
Formation:  Callovian Layers
Location:  Michailov, Russia
Size:  Cluster of ammonites is 2.6" X 5.4"
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Here is a spectacular ammonite specimen from the Jurassic of Russia. There are ten gorgeous ammonites (two different types) clustered together on a matrix of iron pyrite or "fool's gold". There are nine specimens of Cosmoceras sp. and one example of Quenstedtoceras sp. Cosmoceras have somewhat faint ribbing and a very sharp keel. The Quenstedtoceras has much coarser ribbing and a wider keel. The Quenstedtoceras is positioned in almost the exact center of the cluster. All of the ammonites are very 3-dimensional and exhibit excellent detail - the extreme inner whorls are easily seen. The ammonites have wonderful natural coloration - they retain the highly iridescent, mother-of-pearl shell. The colors are much more vibrant in person than what the pictures show. The ammonites almost appear to be replaced by fire opal - the colors are that intense. A dusting of golden, sparkling pyrite crystals makes for an exquisite presentation. This is an outstanding display plate of ammonites from the Jurassic of Russia.

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