Here is a beautiful and completely prone trilobite of the species Flexicalymene retrosa from Ohio. Flexicalymene retrosa it how ever quite rarely been found as outstretched specimen. | |||
Location: | Mt. Orab, Ohio , USA | ||
Size trilobite: | about 38 mm long | ||
Age: | Ordovizian, Richmond Formation, Arnheim Member, (about. 470 mill. y.o.) |