Where: Texas (31.6° N, 104.8° W: paleocoordinates 0.9° N, 34.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hueco Formation, Artinskian (290.1 - 279.3 Ma)

• Information obtained after this paper was in type indicates that these species were obtained not from the Guadalupian but from the upper beds of the underlying Hueco Formation

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Primary reference: G. H. Girty. 1908. The Guadalupian fauna. United States Geological Survey Professional Paper 58:1-651 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 108897: authorized by Matthew Clapham, entered by Matthew Clapham on 08.05.2011

Creative Commons license: CC BY (attribution)