A fantastic, well preserved, representative example of this spiny trilobite. Comes in a high quality display box with a species/locality label. Found:- Haragan Formation, Lower Devonian, Coal County, Clarita, Black Cat Mountains, Oklahoma, USA. Age:- 410 Million Years Old. Size of Trilobite = 2 cm long. Overall Rock Size = 5.2 cm (2 inches) wide by 5.2 cm (2 inches) high.