Also known as Lupher 207

Where: Grant County, Oregon (44.5° N, 119.5° W: paleocoordinates 34.3° N, 58.6° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Graphoceras concavum ammonoid zone, Weberg Member (Snowshoe Formation), Aalenian (174.1 - 170.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: brown, gray, silty, sandy limestone and calcareous sandstone

Size class: macrofossils

Collected by R. L. Lupher in 1928; reposited in the USNM

Primary reference: R. W. Imlay. 1973. Middle Jurassic (Bajocian) Ammonites from Eastern Oregon. United States Geological Survey Professional Paper 756:1-100 [P. Wagner/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 202419: authorized by Pete Wagner, entered by Pete Wagner on 09.07.2019

Creative Commons license: CC BY (attribution)