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Friday, December 7, 2012

Lichenalia concentrica Bryozoan Fossil

Lichenalia concentrica bryozoan fossil found in the Waldron Shale (Silurian Period) of Clark County, Indiana USA. Listed on Plate 5 Figures 1-10 in Indiana Department of Geology and Natural History Eleventh Annual Report John Collett State Geologist 1881.

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