Here are some images of an Isotelus gigas trilobite fossil. It was found in Franklin County Kentucky USA in the Lexington Limestone. This ...

This picture shows the feeding scoop or hypostome of an  Isotelus sp.  trilobite fossil (not complete). It was found in the Kope Forma...

Two trilobite fossils are shown in this entry. The first is an intact enrolled Flexicalymene sp. trilobite. It is probably Ordovician Peri...

Here are two pieces of Isotelus Ordovician Period trilobite. I think my cousin found this in Carroll County, Kentucky in the Kope Formatio...

Here is an fragment of an Isotelus trilobite from the Ordovician period. Notice all the fine line cracks in its shell. It was found in ea...