The label for this fossil says it is a Paradoxides pinus trilobite from the Paleozoic Era. I would guess it is some sort of Paradoxides ...

Here is an embedded video from 2011 showing Canadian comedian/actor Dan Aykroyd digging for fossils in the Pipestone Creek Dinosaur Bonebe...

This horn coral fossil appears to be a Duncanella sp. It was found in the Waldron Shale of Indiana. The fossil dates to the Silurian Peri...