Nevada

Teresellus goldfieldensis (Hollingsworth, 2005) Trilobite Fossil Lower Cambrian Period - 510 million years old Poleta Formation, Montezuma Range, Esmeralda County, Nevada, U.S.A. Trilobite : 1.74 x 1.24 in 1 inch = 2.54 cm A rare and unusual trilobite from the Poleta Formation of Nevada - roughly a handful of specimens are known in collections from this fairly recently described trilobite (2005). Learn More