Wednesday, February 25, 2009

Back Side of Trimerus Trilobite

Here is the back thorax of a Trimerus type trilobite from the Silurian period. It is described in more detail on page 98 of the Fossils of Ohio book. According to that description, these trilobites could get to 20 cm in length. This one about 4-6 cm wide. The creature had small eyes about about 13 segments for the thorax.


Sunday, February 22, 2009

Ordovician Bryozoan

Here is a Ordovician bryozoan found in the Kope Formation in Carroll County, Kentucky. It has linear tubes attached, three are showing in the picture.


Friday, February 20, 2009

Ordovician Snail

An Ordovician snail found in the Kope Formation in Carroll County, Kentucky. Maybe it is some sort of Cyclonema.