Mooreoceras conicum Cephalopod Fossils

Mooreoceras conicum cephalopod fossils found in the Finnis Shale of Jacksboro, Texas. Creatures swam around in the Pennsylvanian Period.

Thanks to Dave M. for the fossils.

Coronia genitiva

Coronia genitiva gastropod found in the Brazos River, Texas. Animal lived in the Eocene.  Fossil found in the Stone City Formation (Whiskey Bridge).

Thanks to Dave for the fossils.

Caryocrinites Cystoid in Matrix

Caryocrinites cystoid fossil found in the Waldron Shale of Clark County, Indiana.  Animal dates to Middle Silurian Period.  This animal has distinctive hexagon plates with an asterisk like pattern on them. Fossil has yet to be prepared.