Thursday, May 30, 2024

Zeacrinites wortheni Crinoid Calyx

This fossil was found in the Glen Dean Member of Grayson County, Kentucky USA. It is a crinoid calyx fossil that appears to be a Zeacrinites wortheni (Hall, 1858). The fossil dates to the Mississippian Period. The next three pictures show it from three more sides. Rule is in one centimeter blocks.