Isotelus maximus (or I gigas) juv.
Isotelus maxiumus or I. gigas (juv.) (Trilobita)
Late Ordovician: Waynesville or Liberty Formation
St. Leon, Indiana, USA
This is several views of an enrolled juvenile. It is complete except for the missing genal spines, and the exoskeleton is intact. The dark brown areas are pyritization.