Where: Argentina (32.9° S, 69.1° W: paleocoordinates 41.1° S, 125.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: San Isidro Formation, St Davids (509.0 - 497.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, argillaceous limestone

Size classes: macrofossils, mesofossils

Primary reference: M. S. Beresi and J. K. Rigby. 1994. Sponges and chancelloriids from the Cambrian of western Argentina. Journal of Paleontology 68(2):208-217 [W. Kiessling/W. Kiessling]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 56549: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 21.11.2005

Creative Commons license: CC BY (attribution)