Image sent to me of a crinoid calyx fossil found in southern Indiana USA. It is from the Mississippian Period and appears to be a Phanocrinus nitidus. This crinoid might also be an Agassizocrinus sp.
Tuesday, November 27, 2012
Phanocrinus nitidus Crinoid Calyx
Image sent to me of a crinoid calyx fossil found in southern Indiana USA. It is from the Mississippian Period and appears to be a Phanocrinus nitidus. This crinoid might also be an Agassizocrinus sp.