[Phacops rana var. milleri STEWART, 1927] Here is a classical trilobite of the species Eldredgeops rana milleri from the famous Silica Shale of Ohio. | |||
Location: | Paulding, Ohio, USA | ||
| Size trilobite: | about 31 mm wide (!) | ||
| Age: | Ordovizian, Richmond Formation, Arnheim Member, (about. 470 mill. y.o.) | ||