Here is a small trilobite double with Paradoxides gracilis with the positive and negative side from Jince. The larger and better preserved Paradoxides does have both cheeks. | |||
Location: | Jince, Barrandium, Czech Republic | ||
Size trilobite: | about 9 & 15 mm long | ||
Age: | Middle Cambrian, Jince Formation, Paradoxides gracilis zone (about. 518 mill. y.o.) |