Also known as SE Mill City hills

Where: Pershing County, Nevada (40.6° N, 118.1° W: paleocoordinates 14.6° N, 49.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Natchez Pass Formation, Tuvalian (232.0 - 221.5 Ma)

• "upper part of the formation" (Silberling 1961)

•"The pelecypods and brachiopods may not be indicative of a precise age, but they do not conflict with the late Karnian age assigned this fauna on the basis of the cephalopods." (Silberling 1961)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; calcareous siltstone

Size class: macrofossils

Preservation: mold/impression

Collected by N. J. Silberling in 1958

Primary reference: N. J. Silberling. 1961. Upper Triassic Marine Mollusks from the Natchez Pass Formation in Northwestern Nevada. Journal of Paleontology 35(3):535-542 [A. Dunhill/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 201916: authorized by Alex Dunhill, entered by Bethany Allen on 11.06.2019

Creative Commons license: CC BY (attribution)