Here is a example of a relative rare trilobite of the species Ctenocephalus coronatus. | |||
Location: | Skryje, Dlouha hora hill , Czech Republic | ||
| Size trilobite: | about 20 mm long | ||
| Age: | Middle Cambrian, Jince Formation, Eccaparadoxides pusillus Zone (about. 518 mill. y.o.) | ||