Eucalyptocrinus elrodi (Miller, 1891) crinoid calyx fossil found in Clark County Indiana USA. Not the best of specimens but you can see in...

While doing some research on Indiana crinoid fossils, I came across a section in the Indiana Department of Geology and Natural Resources Sev...

Lichenalia concentrica bryozoan fossil found in the Waldron Shale (Silurian Period) of Clark County, Indiana USA. Listed on Plate 5 Figur...