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Saturday, March 7, 2009

Crinoid Calyx Eretmocrinus

Here is the calyx (top part of) a crinoid that existed in the Mississippian or Carboniferous Period. This one was found at Lake Cumberland, Kentucky. It was called Eretmocrinus.


Blastoid Pentaremites welleri

Here is a blastoid called Pentaremites welleri that existed in the Mississippian or Carboniferous Period. This one was found in Indian Springs Shale located in Crawford County, Indiana.