Crotalocephalina (Crotalocephalus) gibbus

Era: Paleozoic

Period: Lower Devonian

Formation: Lhandar

Stage: Pragian (410.8 - 407.6 million years)

Location: Aatchana, Errachidia Province (Morocco)

Coordinates: 30°50'18.3"N 4°58'43.5"W

Trilobite measures: 8.8 cm / 3.46&quo