USGS 7431 green, Montpelier Canyon (Triassic of the United States)

Where: Idaho (43.3° N, 111.3° W: paleocoordinates 12.6° N, 34.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Thaynes Formation, Smithian (251.3 - 247.2 Ma)

• Near base of Thaynes Formation

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by C.L. Breger, G.H. Girty in 10, 1909

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 109744: authorized by Matthew Clapham, entered by Matthew Clapham on 25.05.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Terebratulida - Notothyrididae
Obnixia thaynesiana n. gen. Girty 1927