Fossil plant Macroneuropteris scheuchzeri from Grundy County, Illinois. Macroneuropteris is a genus of Carboniferous seed plants best known for the species Macroneuropteris scheuchzeri, a medium-size tree that was common throughout the late…
Straparollus planodorsatus (Meek & Worthen, 1860) - fossil snail from the Mississippian of Ohio, USA. (apical view; ~2.0 centimeters across at its widest)
The Maxville Limestone is the only Middle to Late Mississippian-aged stratigraphic unit in…