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Hamtolenus (Hamatolenus) vincenti

Class: Trilobita; Order: Ptychopariida; Family: Ellipsocephalidae

Lower to Middle Cambrian border

Jbel Wawrmast Formation, Cephalopyge notabilis zone

Jbel Ougnat, south of Tinjdad, near Tarhoucht, Morocco

Slab is 23 cm x 23 cm…