Where: Texas (31.2° N, 105.3° W: paleocoordinates 0.9° N, 35.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Primary reference: E. L. Yochelson. 1960. Permian Gastropoda of the southwestern United States. 3. Bellerophontacea and Patellacea. Bulletin of the American Museum of Natural History 119(4):208-293 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121499: authorized by Matthew Clapham, entered by Matthew Clapham on 05.12.2011

Creative Commons license: CC BY (attribution)