Here is a complete trilobite of the species Dalmanitina socialis that is centred on a nice sandstone slap. | |||
Location: | Zahorany, Beroun, Barrandian area, Czech Republic | ||
| Size trilobite: | about 66 mm long | ||
| Age: | Middle Ordovician, Llandeilo, Letná Formation (About 464 mill. Years old) | ||