Description
Trilobite: Cheirurus, crotalocephalina, gibbus gibbus. Beyrich 1845. Lower Devonian, pragian. 400 million years. Jbel Issou mour. Tabourigt, Morocco L :8cm
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Online
Trilobite: Cheirurus, crotalocephalina, gibbus gibbus. Beyrich 1845. Lower Devonian, pragian. 400 million years. Jbel Issou mour. Tabourigt, Morocco L :8cm