General Roca (upper Danian) (Paleocene of Argentina)

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

Collection methods: Repository: Museo Paleontológico Egidio Feruglio, Trelew, Argentina (MPEF)

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 220766: authorized by Matthew Clapham, entered by Matthew Clapham on 14.06.2021, edited by Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

Gymnolaemata
 Cheilostomata - Romancheinidae
Balantiostoma sp.
MPEF-PI 6132.13 and MPEF-PI 6132.14
Balantiostoma spectabilis Canu 1911
MPEF-PI 6132.15 and MPEF-PI 6132.66
Balantiostoma elongata Canu 1911
MPEF-PI 6132.12
 Cheilostomata - Calloporidae
Pyriporella ameghinoi Canu 1911
MPEF-PI 6132.18
 Cheilostomata - Monoporellidae
Monoporella convexa Canu 1911
MPEF-PI 6132.15 and MPEF-PI 6132.16
 Cheilostomata - Electridae
Electra sp. Lamouroux 1816
MPEF-PI 6132.1
Stenolaemata
 Cyclostomata - Diastoporidae
"Berenicea" sp. Lamouroux 1821
MPEF-PI 6132.13
 Cyclostomata - Plagioeciidae
Plagioecia sp. Canu 1918
MPEF-PI 6132.18
Plagioecia aff. cristata Taylor and McKinney 2006
MPEF-PI 6132.18
Actinopora robertsoniana Canu 1911
MPEF-PI 6132.17
Bivalvia
 Ostreida - Ostreidae
Ostrea neuquena Ihering 1907 oyster
Ostrea wilckensi Ihering 1907 oyster
Cubitostrea ameghinoi Ihering 1907 oyster