Here is a nice example of the trilobite Cromus beaumonti from the Kopaninské Formation at Kosov. | |||
Location: | Kosov near Beroun, Barrandian area, Czech Republic | ||
| Size of matrix: | about 98 x 38 mm | ||
| Age: | Silurian, Ludlow, Kopaninské Formation (About 423 mill. Years old) | ||