Where: Sonora, Mexico (29.0° N, 110.8° W: paleocoordinates 1.5° S, 49.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Brigantian to Brigantian (336.0 - 330.9 Ma)

• local stage: middle to late Chesterian

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; wackestone and packstone

Size class: macrofossils

Primary reference: J. H. Stewart, R. Amaya-Martínez, R. G. Stamm, B. R. Wardlaw, G. D. Stanley, Jr. and C. H. Stevens. 1997. Stratigraphy and regional significance of Mississippian to Jurassic rocks in Sierra Santa Teresa, Sonora, Mexico. Revista Mexicana de Ciencias Geológicas 14(2):115-135 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 39199: authorized by Martin Aberhan, entered by Sabine Nürnberg on 23.05.2004

Creative Commons license: CC BY (attribution)