Here is a large Ectillaenus katzeri in a nice shell preservation from the Šárka Formation of the Czech Republic. | |||
Location: | Rokycany , Barrandian area, Czech Republic | ||
Size trilobite: | about 44 mm long | ||
Age: | Middle Ordovician, Llandeilo, Šárka Formation (About 464 mill. Years old) |