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Moroccan Phacops Trilobite


Bree

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Hi :)  I have just begun collecting fossils and I still have a lot of trouble telling the difference between what is real and what is fake. I am thinking about purchasing a Moroccan Phacops Trilobite (picture below)  and I was wondering if anyone could give me advice as to it's authenticity. Thank you 

 

 

triolbite.jpg

triolbite 2.jpg

triolbite 3.jpg

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The devil is in the details. Ask for better close-up photos, including the eyes. Note the crude scratches surrounding the trilobites in comparison to the nearly perfect trilobite. The scratched surface sometimes covers up the contact where a phony trilobite is set into a rock with a carved hole in it. Beware.

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Not everything needs to be fake,if you don't see what you usually see:there is e.g. a specimen known of Nephalicephalus beebei with three enlarged thoracical rings.

That's a known as a teratology,a developmental aberration. 

 

 

 

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Best of all is knowing the subject matter.Any thesis or journal article will provide plentiful details(to an annoying degree of exactitude:P)of the morphology of a genus .

http://www.senckenberg.de/files/content/forschung/projekte/igcp-596/cronier_francois_2014.pdf

(Posting this article because it might give clues to things like facies control,biogeography,etc)  

 

 

 

 

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3 hours ago, Bree said:

 

I'll give the link 

 

 

 

Please, ... post pictures from the website here directly, rather than posting a Link to the website. 

We'd like to keep the Forum free of any legal entanglements. :)

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Here are the larger versions of the thumbnail images.

 

IMG1.jpg IMG2.jpg

 

 

The seller's name: "Phacops corconspectans" is false.  

That name has never been assigned to any trilobite.

 

The trilobite is a common Moroccan phacopid: Drotops megalomanicus 

 

Some parts have been restored. It's a typical average grade specimen.

This example is priced fairly as a decent representation of the species.

 

 

 

 

image.png.a84de26dad44fb03836a743755df237c.png

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