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by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

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Fisherites Chlorophytes Fossil

These pictures show a fossil of calcareous green algae (chlorophytes) from the Ordovician Period. They are called Fisherites sp. of the order Dasyclads and family Receptaculites. The fossil was found in the Galena Formation of Minnesota.   Second picture shows a cross section of the fossil.
Thanks to Herb for the images.

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