Crotalocephalina (Crotalocephalus) gibbus
 Era: Paleozoic
 Period: Lower Devonian 
 Formation: Lhandar
 Stage: Pragian (410.8 - 407.6 million years)
 Location: Aatchana, Errachidia Province (Morocco)
Horizon: Dicranurus monstrosus
 Coordinates:  30°50'18.3"N 4°58'43.5"W
 Trilobite measurements:  72mm / 2.83" 
 Matrix measurements:  80 x 57 x 16 mm / 3.15" x 2.24" x 0.63"
 Weight: 150 g / 0.332 lb
 Description:  Incredible ventral cleaning. This preparation requires more than twice as many hours as usual, as well as extraordinary skill.  Well preserved, 100% natural, sandblasted fossil with no restoration or other trilobite spines or paint.
 
This piece will travel insured in a safety package to arrive in perfect condition.