Pterotocrinus sp.


Bangor Fm.
Cedar Lake, Alabama

Size: 2.5 cm across

These are the arm plates that occur between the arms of this crinoid. The arms are gone. The plates are visible and the calyx is beneath the arm plates. The rock is too hard to try and expose the calyx.

Price: $15 US

ID number: fs357
Pterotocrinus Pterotocrinus