Where: Coahuila, Mexico (26.3° N, 102.9° W: paleocoordinates 2.3° S, 35.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Palo Quemado Formation, Roadian (272.3 - 268.8 Ma)

• Middle (?) Guadalupe

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, cherty/siliceous limestone

Size classes: macrofossils, microfossils

Reposited in the YPM

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 63057: authorized by Tom Olszewski, entered by Leigh Fall on 03.08.2006, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)