| Here is a detailed example of the Czech trilobite Ptychoparia striata from Jince. | |||
Location: | Jince Vinice , Barrandium, Czech Republic | ||
| Size trilobite: | about 38 mm wide | ||
| Age: | Middle Cambrian, Drumian, Jince Formation, Paradoxides gracilis zone (about. 518 mill. y.o.) | ||