This pictures show reconstructed Onychocrinus sp. crinoid calyx fossils. They were found in the Glen Dean Member of Grayson Coun...

These images are of the Evactinopora radiata bryozoan fossil. They were found in the Fern Glen Formation of Imperial Missouri USA....

This microfossil appears to be a Chiracanthus  sp. fish scale. The field of view (FOV) is about 2 mm. It dates to the Devonian Period...