Dicanthaspis minuta (Barrande, 1846)
Two small Odontopleurids. Both with original white exoskeleton intact. The larger specimen has both librigenes still attached. On the smaller specimen the left free cheek has detached. Lovely detail of the spines etc under magnification.
Silurian, Ludlow Series, Kopanina Formation.
Kosov Quarry, Beroun, Czech Republic.
Larger Trilobite : 0.5 cm long.