A large and superb specimen of this extremly rare species that show some very nice details. The genus name Coosella originates from an outcrop of limestone in the Alabama area along the Coosia River that Walcott explored in the early 1900's. | |||
Location: | Millard Co., Utah, USA | ||
Size trilobite: | about 33 mm long | ||
Age: | Upper Cambrian, Weeks Fm., (about. 518 Mill. y.o.) |