Here is a quite rare Peronopsis integra from the Czech Paradoxides gracilis-zone. | |||
Location: | Jince-Vystrkov, Barrandium, Czech Republic | ||
| Size trilobite: | about 6 mm long | ||
| Age: | Middle Cambrian, Jince Formation, Paradoxides gracilis-Zone (about. 518 mill. y.o.) | ||