This fossil appears to be an Ectenocrinus (Heterocrinus) simplex (Hall, 1847) crinoid calyx fossil. It was given to Lucien Beckner (1872-1963) in earlier 1900s by Dr. William H. Shideler (1886-1958) of Miami University of Ohio. The fossil dates to the Ordovician Period.
This fossil appears to be an Ectenocrinus (Heterocrinus) simplex (Hall, 1847) crinoid calyx fossil. It was found by Lucien Beckner (1872-1963) in 1932 in the blue shale of Henry County Kentucky, USA. The fossil dates to the Ordovician Period.
