Wednesday, July 24, 2019

Prasopora Bryozoan Fossil with Calcite Crystals

This specimen is a mix between a fossil and mineral (calcite crystals). It appears to be Prasopora bryozoan fossil. The fossil dates to the Ordovician Period. It was found in Ripley County, Indiana, USA.

Thanks to Kenny for image.

Monday, July 22, 2019

Saivodus ctenacanthus Shark Tooth Fossil


This appears to be a Saivodus ctenacanthus shark tooth (cladodont) fossil. It was found in Crawford County, Indiana USA. Fossil dates to the Mississippian Period.

Thanks to Kenny for image.