| Here is a juvenile specimen of this rare Cambrian Trilobite from Idaho. Fossils from Idaho are uncommon at all. | |||
Location: | Spence Gulch, near Liberty, Idaho USA | ||
| Size trilobite: | about 4 mm long | ||
| Age: | Middle Cambrian, Spence Shale., Langston Fm. (about. 518 Mill. y.o.) | ||