Here is a detailed example of a extremely rare Ptychoparia dubinka from Skryje. | |||
Location: | Skryje, Barrandium, Czech Republic | ||
| Size trilobite: | about 44 mm long | ||
| Age: | Middle Cambrian, Jince Formation, Eccaparadoxides pusillus Zone (about. 518 mill. y.o.) | ||