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Praefectus

I recently saw a few large ammonites for sale. The seller said the are ancanthoceras ammonites from Cretaceous Morocco. They are about 4-6 inches (10-15 cm) in diameter. Can anyone tell me if these are real and if the ID is correct? Thanks. 

 

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connorp

The interior whorls look like they might have been carved, especially the top left one.

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herve

Hello ,sorry but yours ammonites are no true,the center is fake  and purhaps is not acanthoceras just  a calycoceras, best wishes

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Tidgy's Dad

These are common here. 

There are a few similar genera, this could be Acanthoceras. 

They have been ''enhanced'/ carved to ''improve the look of the inner whorls. 

I am assured by dealers they sell better to tourists like this. 

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Praefectus

Thanks for the responses. I understand that the inner parts of the whorls are "enhanced" but are the outer parts real?

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Bobby Rico

Keep looking and posting here. A lot of these ammonites have caved centres because it is quite common for them to be missing from preservation. 

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Tidgy's Dad

Yes, the main bulk of the ammonite is real, just in places carved to look better than it did naturally.

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Ludwigia

These are obiously carved in order to enhance the looks of what are in the end real fossil molds.

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Mark Kmiecik

The umbilical (belly button) area is carved. The rest is natural (real).

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