Where: Idaho (43.1° N, 112.1° W: paleocoordinates 12.8° N, 35.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Portneuf Member (Thaynes Formation), Spathian (251.3 - 247.2 Ma)

• Bingham County Yandell Springs 15-min quad; NW1/4 SW1/4 Sf.C 31 T 3 S R. 8 E

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Collected by G.R. Mansfield, G.H. Girty in 28, 1913

Primary reference: P. R. Hoover. 1979. Early Triassic Terebratulid brachiopods from the western interior of the United States. United States Geological Survey Professional Paper 1057:1-21 [M. Clapham/M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 109724: authorized by Matthew Clapham, entered by Matthew Clapham on 25.05.2011

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)