Also known as Locality 2
Where: Sonora, Mexico (30.4° N, 112.0° W: paleocoordinates 10.1° S, 106.7° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Fallotaspis? trilobite zone, Unit 2 Member (Puerto Blanco Formation), Meishucunian to Meishucunian (530.7 - 521.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: shallow subtidal; siltstone
Size class: macrofossils
Preservation: mold/impression
Collection methods: surface (float), acetic,
• Specimens with IGM numbers are deposited at the Instituto de Geologia, Cuidad Universitaria, DelegaciĆ³n de Coyoacan
Primary reference: M. A. S. McMenamin. 1987. Lower Cambrian trilobites, donation, and correlation of the Puerto Blanco formation, Sonora Mexico. Journal of Paleontology 61(4):738-749 [N. Heim/C. Lombardi]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 210980: authorized by Noel Heim, entered by Cole Lombardi on 22.06.2020
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
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