Polygnathus cristatus? Conodont

This fossil appear to be  Polygnathus cristatus? conodont found in the Middle Devonian Beechwood
Limestone of Clark County, Indiana. Helicon Focus was used to create some of these images. This fossil is amber colored and translucent so a underneath light was used to reveal more detail.

Ozarkodina Conodont Fossil

These fossils appear to be Ozarkodina willsi? conodonts found in either the upper Devonian New Albany Shale or middle Devonian Beechwood Limestone of Clark County, Indiana.

See the conodont.info web site to see Ozarkodina polita specimens: CLICK HERE and Ozarkodina tenuis specimens: CLICK HERE

Ilymatogyra arietina Pelecypod

An Ilymatogyra arietina pelecypod fossil found in Grayson Marl Formation of Tarrant County, Texas. Animals lived in the upper Cretaceous Period. Check out Dave's write up on this fossil on the Views of the Mahantango blog: CLICK HERE
Thanks to Mark for these fossils.

A smaller Ilymatogyra arietina pelecypod fossil is shown in the next three images.