Daily Archives: August 21, 2015

Wooster’s Fossil of the Week: A blastoid from the Lower Carboniferous of Illinois

It is sometimes hard to believe that exquisite fossils such as the above are sometimes very common. The above is a theca of the blastoid Pentremites godoni (DeFrance, 1819) found in the Lower Carboniferous (Mississippian) of Illinois. (Thanks to expert … Continue reading

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