|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.
|Millard Co., Utah, USA|
|Size trilobites :||about 9 & 12 mm long|
|Age:||Upper Cambrian, Weeks Fm., (about. 518 Mill. y.o.)|