1.3" Spiny Ceratarges Trilobite - Zireg, Morocco

This is a 1.3" long, spiny Ceratarges aries collected from the El Otfal Formation near Zireg, Morocco. It is very well prepared with free standing spines. The only restoration is p portion of one of the spines coming off of the head as well as the tips of three pleural spines on the right side.

There are currently about 5 different species of Certarges described from Morocco, each a slight variation on the others. A paper describing some of these species can be found at:

NEW SPECIES OF THE LICHID TRILOBITE CERATARGES FROM THE MIDDLE DEVONIAN IN MOROCCO