Late Oxfordian sites are located not far from Moscow (e.g. by Bronnitsy) as well as some other regions like Kostroma (Mikhalenino) and Yaroslavl (Yoda) Oblasts.
Ammonites in Moscow region Amoeboceras alternoides and Amoeboceras serratum zones sometimes feature nacreous pyritization that makes them a sought-after prize for collectors. Body chambers and usually outer whorls do not get pyritized and preserved as imprints at best. The fossiliferous layer is situated below Moskva river level and is available only in winter.
The most numerous genera are Amoeboceras (late Cardioceras with keels), Euaspidoceras(M)/Mirosphinctes(m), Subdiscosphinctes and Arisphinctes
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Image Comments
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By Tidgy's Dad · Posted
It made Tidgy shudder a bit, but that's a very nice piece.
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By jpc · Posted
This is a piece of the plastron of a soft-shelled turtle. Nice find.
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By icycatelf · Posted
After doing some research, I'm under the impression that this is Gastrioceras sp. Not sure how to go about updating the post though.
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By M3gal0don_M4n · Posted
Actually one of the coolest teeth I have seen! Great find.
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