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Monday, September 3, 2012

Bumastus Trilobite Cephalon

 Here is a nice fossil that was embedded in quite a bit of hard Waldron Shale. My cousin using an air scribe coaxed it out into the public view after about two hours of work. The trilobite cephalon is a species of the genus Bumastus.  The limestone layer it was found in dates to the Silurian period or about 420 million years ago.



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