Where: Texas (30.4° N, 103.2° W: paleocoordinates 1.4° N, 33.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Road Canyon Formation, Roadian (272.3 - 268.8 Ma)

• massive, white limestone in the basal portion of the Word formation (basal part now in Road Canyon Formation)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, massive, white limestone

Size class: macrofossils

Collected by J.A. Udden, E. Bose in 1914, 1916; reposited in the YPM

Primary reference: E. Böse. 1919. The Permo-Carboniferous ammonoids of the Glass Mountains, west Texas, and their stratigraphic significance. Texas Bureau of Economic Geology Bulletin 1762:1-241 [M. Clapham/M. Clapham/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 128591: authorized by Matthew Clapham, entered by Matthew Clapham on 12.06.2012

Creative Commons license: CC BY (attribution)