Where: Sonora, Mexico (30.1° N, 112.0° W: paleocoordinates 14.7° S, 109.1° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Puerto Blanco Formation, Nemakit-Daldynian (541.0 - 530.0 Ma)
• Ediacaran/Cambrian boundary within the upper unit 1 of Puerto Blanco Formation
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, dolomitic sandstone and lithified volcaniclastic
Size class: macrofossils
Preservation: trace
Primary reference: F. Sour-Tovar, J. W. Hagadorn, and T. Huitron-Rubio. 2007. Ediacaran and Cambrian index fossils from Sonora, Mexico. Palaeontology 50(1):169-175 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 99428: authorized by Wolfgang Kiessling, entered by Uta Merkel on 11.11.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Planolites sp. Nicholson 1873
Plagiogmus sp. Roedel 1929
Rusophycus sp. Hall 1852
Palaeophycus sp. Hall 1847 |