| Top and bottom--Trilobites from the lower Ordovician Fillmore Formation, western Millard County, Utah, a number of miles east of the eastern border of White Pine County, Nevada. Specimen at top is called scientifically, Presbynelius ibexensis. Photograph courtesy an anonymous individual; I edited and processed the image through photoshop. Trilobite at bottom is genus-species Pseudocybele altinasuta. Photograph courtesy Andrew Milner; I edited and processed the image through photoshop. |