Where: Nevada (39.6° N, 117.5° W: paleocoordinates 10.1° N, 41.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Bithynian to Bithynian (247.2 - 242.0 Ma)

• Ammonoids of the hyatti and meeki zones

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by Fortieth Parallel Expedition in 1867-1869; reposited in the USNM

Primary reference: F. B. Meek. 1877. Part I. Palaeontology. Report of the Geological Exploration of the Fortieth Parallel 4:1-197 [P. Wagner/P. Wagner/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 142622: authorized by Matthew Clapham, entered by Matthew Clapham on 15.04.2013

Creative Commons license: CC BY (attribution)