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EXTINCTIONS CHOICE - Arthroacantha from MD
Stock Number  CCMDX01
EXTINCTIONS Choice

Name:   Arthroacantha punctobrachiata
Age:  Devonian
Formation:  Marcellus Shale
Location:  Washington County, Maryland
Size:  Crinoid is 3.5 inches long
Price:  $495.00



This is a rare US crinoid. It is a nice Arthroacantha punctobrachiata crown from the Devonian of Maryland. We recently obtained this specimen from an old collection - it was collected at least 20 years ago, and, as far as we know, none of these crinoids have been collected since. The crown exhibits excellent detail - the cup is very distinct, and the branching pattern of the arms is well defined - the arms display all of the delicate pinnules. The crinoid retains a very small portion of stem. The crinoid is nicely centered on the rectangular plate of hard shale. This is an excellent specimen of Arthroacantha punctobrachiata from a very unusual location.

This fossil was collected and obtained legally, and is also being sold legally.



A Certificate of Authenticity from EXTINCTIONS is included with this specimen.


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