Where: Texas (31.9° N, 106.0° W: paleocoordinates 1.8° N, 35.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Alacran Mountain Formation, Artinskian (290.1 - 279.3 Ma)

• "Upper Gym Formation"

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by R.E. King, P.B. King in 1925-1928; reposited in the YPM

Primary reference: R. E. King. 1931. The Geology of the Glass Mountains, Texas, Part II, Faunal summary and correlation of the Permian formations with description of Brachiopoda. The University of Texas Bulletin 3042:1-245 [T. Olszewski/L. Fall/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 150839: authorized by Matthew Clapham, entered by Matthew Clapham on 16.09.2013

Creative Commons license: CC BY (attribution)