This image shows what appears to be a  Polygnathus lobatus  conodont fossil. This creature existed in the Mississippian Period. Fossil wa...

This image is of a microfossil fragment that appears to be an  Atraktoprion  scolecodont. It was found in the Kope or Fairview Formations...

The microfossil in this picture appears to be a  Loxonema yandellana  gastropod (snail). It was found in the Somerset Shale of the Salem ...