This is a detailed pygidium of the trilobite species Dalmanitina socialis in a 3dimensional preservation. | |||
Location: | Ded Hill, Beroun, Barrandian area, Czech Republic | ||
| Size trilobite: | about 27 mm long | ||
| Age: | Middle Ordovician, Llandeilo (Sandbian), Letná Formation (About 464 mill. Years old) | ||