Middle to Upper Devonian Guilmette Formation

White Pine County, Nevada

An explorer of the Paleozoic Era examines the wildly fossiliferous middle to late Devonian Guilmette Formation in White Pine County, Nevada. Every rock within view--to the skyline in distance--belongs to the Guilmette Formation, which here yields prodigious quantities of Paleozoic Era invertebrate animal remains: corals, stromatoporoids (extinct calcareous sponge), gastropods, brachiopods, crinoids, ostracods, and conodonts.

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