Unnamed (Arenig) fm., Quebrada de Coquena and Purmamarca, Argentina (Ordovician of Argentina)

Where: Argentina (26.0° S, 66.0° W: paleocoordinates 40.5° S, 131.3° W)

• local area-level geographic resolution

When: Arenig (478.6 - 466.0 Ma)

• Unnamed fm.

• formation-level stratigraphic resolution

Environment/lithology: marine

• not listed

Collection methods: JA: marked by Novack-Gottshall without explanation as omitting some genera, some macrofossils, some microfossils, and species names, but apparently complete

Primary reference: G. Cecioni. 1953. Contribucion al conocimiento de los Nautiloideos-Eopaleozoicos Argentinos. Parte I: Protocycloceratidae-Cyclostomiceratidae. Boletin del Museo Nacional de Historia Natural 26(2):55-107 [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 9030: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 18.09.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ellesmerocerida - Cyclostomiceratidae