|Here is a nice "Rokycany Concretion" with a trilobite of the species Placoparia barrandei.|
This "Rokycany Concretion" shows also some other incomplete trilobites of the species Placoparia barrandei.
|Rokycany Dìly, Barrandian area, Czech Republic|
|Size trilobite:||about 25 mm long|
|Age:||Middle Ordovician, Llandeilo, Šárka Formation (About 464 mill. Years old)|