Gateway to the Paleobiology Database
Nivel NCW7 - Fortín General Roca (Cretaceous of Argentina)

Also known as Jagüel Fm.

Where: Río Negro, Argentina (39.0° S, 67.4° W: paleocoordinates 41.4° S, 55.3° W)

• coordinate estimated from map

When: Jagüel Formation, Maastrichtian (70.6 - 66.0 Ma)

• Middle Maastrichtian.

Environment/lithology: terrestrial; lithology not reported

Size class: microfossils

Preservation: original sporopollenin

Collection methods: surface (in situ), chemical, hydrochloric, hydroflouric

• Samples provided by A. Bertels, University of Buenos Aires.

Primary reference: E. J. Romero. 1973. Polen Fósil de Nothofagus (Nothofagidites) del Cretácico y Paleoceno de Patagonia. Revista del Museo de la Plata (nueva serie), sección Paleontología 7(47):291-303 [C. Jaramillo/C. Jaramillo/C. Jaramillo] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 167871: authorized by Carlos Jaramillo, entered by Carlos Jaramillo on 05.04.2015

Creative Commons license: CC BY (attribution)