Where: Río Negro, Argentina (39.0° S, 67.6° W: paleocoordinates 41.6° S, 56.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Roca Formation, Danian (66.0 - 61.6 Ma)

• "Upper Danian, Roca Formation"

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by W. Kaufmann in 1927; reposited in the BMNH

• Purchased May 1927

Primary reference: S. S. Brezina, P. D. Taylor, M. V. Romero, E. E. Palópolo, and S. Casadío. 2021. Upper Maastrichtian and Danian bryozoans from northern Patagonia, Argentina. Cretaceous Research 125(104845) [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 220767: authorized by Matthew Clapham, entered by Matthew Clapham on 14.06.2021

Creative Commons license: CC BY (attribution)