Where: Nevada (38.4° N, 118.0° W: paleocoordinates 15.5° N, 54.2° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Lower Member (Luning Formation), Norian (221.5 - 205.6 Ma)

• member-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

Size class: macrofossils

Primary reference: C. McRoberts. 1992. Systematics and paleobiogeography of Late Triassic Gryphaea (Bivalvia) from the North American Cordillera. Journal of Paleontology 66(1):28-39 [W. Kiessling/U. Merkel] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 69481: authorized by Wolfgang Kiessling, entered by Uta Merkel on 27.02.2007