Where: Sonora, Mexico (29.0° N, 110.8° W: paleocoordinates 5.3° N, 42.6° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Sakmarian (295.5 - 290.1 Ma)
• Unit 6, Early Permian (probably Leonardian)
• group of beds-level stratigraphic resolution
Environment/lithology: shallow subtidal; packstone and lime mudstone
Size class: microfossils
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 39182: authorized by Martin Aberhan, entered by Sabine Nürnberg on 23.05.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Foraminifera | |
Parafusulina sp. Dunbar and Skinner 1931 |