Here is a set of a cephalion and a pygidium of a very rare Pharostoma vokovicense. Especially the head shows some very nice preservation. | |||
Location: | Rokycany Dily, Barrandian area, Czech Republic | ||
Size trilobite: | largest, about 12 & 11 mm long | ||
Age: | Middle Ordovician, Llandeilo, Šárka Formation (About 464 mill. Years old) |