This Trimerus delphinocephalus (Green, 1832) trilobite fossil was found this month. The first picture is a close up of its complex eye. F...

This post is of a trilobite cephalon fossil called Cheirarus dilatatus (Raymond, 1916). Fossil was found in the Waldron Shale of Clark Coun...

These images show what appears to be the front part of a cephalon of an Acidaspis trilobite fossil. It was found in the Kope Formation of...

This picture shows what appears to be an upside down  Cryptolithus tessellates  trilobite head plate fossil. It was found in the Kope For...

This Dalmanites sp. trilobite cephalon fossil was found in the Waldron Shale of Indiana, USA. This trilobite existed in the Silurian Peri...

 Here is a nice fossil that was embedded in quite a bit of hard Waldron Shale. My cousin using an air scribe coaxed it out into the public...