Here is a pathial as a negative (a impression) of a very rare Acadoparadoxides sacheri from the Barrandian as a study grade piece.. | |||
Location: | Jince-Vystrkov, Barrandium, Czech Republic | ||
Size trilobite: | about 40 mm long | ||
Age: | Middle Cambrian, Jince Formation, (about. 518 mill. y.o.) |