Merocrinus Stems Photo Ectenocrinus simplex One of the most common stems found in the Kope and into the Maysvillian. Stems up to a meter long. The stem changes below the cup rapidly tapering with very thin columnals. Gaurocrinus nealli Stem is pentagonal with very rounded corners. On some columnals the corners project more than in this drawing but remain rounded.
Columnal diameter varies with position as shown.
The articulating ridges are always perpendicular to the sides of the pentagon. The central opening is rounded pentagonal. Found in the Waynesville and Liberty. Glyptocrinid Species not determined. Crinoid found in the Kope.