Megistocrinus rugosus crinoid calyx drawings seen in Plate 38 of Contribution to Indiana Palaeontology Volume I Part I to XX by George K...

Certain areas of Crawford County, Indiana are famous for their Mississippian Period Pentremites blastoids.  What is somewhat rare is findi...

This first fossil is a Platyostoma niagarense gastropod fossil from the Waldron Shale of Clark County, Indiana.  The creature existed in th...