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Late Pennsylvanian Tiny Marine Oddidity

cngodles

By cngodles
in Fossil ID

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cngodles Regular Member

cngodles

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I found this oddity today while examining some fine grained finds. This is basically soft limestone, where the rock is pretty soft and most of the calcite has been dissolved. I forgot to include a scale, but if I were to guess, it's about 1/2" across the structure (12.7mm). I plan on measuring again. There were several of these throughout the piece, but this was the most prominent.

 

My guess is some sort of Bryozoan.

 

pennsylvanian-unknown-focus-stack-2021-a

Edited by cngodles

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DPS Ammonite Regular Member

DPS Ammonite

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It does look like an external and internal mold of a branching bryozoan.

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