Where: Coahuila, Mexico (26.5° N, 102.9° W: paleocoordinates 1.9° S, 34.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Palo Quemado Formation, Wordian (266.9 - 264.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Collected by W.A. Kelly

• Repository: University of Michigan and Michigan State University

Primary reference: R. E. King. 1944. Geology, Part I of Geology and paleontology of the Permian area northwest of Las Delicias, southwestern Coahulia, Mexico. Geological Society of America Special Paper 52:3-33 [T. Olszewski/L. Fall/L. Fall]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 133177: authorized by Matthew Clapham, entered by Matthew Clapham on 04.09.2012

Creative Commons license: CC BY (attribution)