Here is a Weeks Trilobite double from Utha with two specimens of the species Cedaria minor. The smaller trilobite is shown from the ventral side. On the plate is also a poorly preserved example of a fossil brachiopod that belongs to the species Schizambon typicalis Walcott, 1884. | |||
Location: | Millard Co., Utah, USA | ||
Size trilobites : | about 9 & 12 mm long | ||
Age: | Upper Cambrian, Weeks Fm., (about. 518 Mill. y.o.) |