Here a Ectillaenus katzeri from the Šárka Formation of the Rokycany Drahouš locality. | |||
Location: | Rokycany Drahouš, Barrandian area, Czech Republic | ||
Size trilobite: | about 39 mm long | ||
Age: | Middle Ordovician, Llandeilo, Šárka Formation (About 464 mill. Years old) |