Lower Ordovician Fillmore Formation

Millard County, Utah

A dendroid graptolite from the lower Ordovician Fillmore Formation, western Millard County, Utah, a number of miles east of the eastern border of White Pine County, Nevada. Called scientifically, Clonograptus flexilis. Photograph courtesy Lee F. Braithwaite; I edited and processed the image through photoshop.

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