Thisis a nice and large New York Trilobite of the species Bumastus ioxus from the classical Rochester shale from Middleport. This piece features also some typical fauna of the Rochester shale. | |||
Location: | Middleport, New York, USA | ||
| Size trilobite: | about 30 mm long | ||
| Age: | Lower Silurian, Rochester shale (about. 430 Mill. y.o.) | ||