General Roca (lower 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)

• "Lower 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) and Cátedra de Geología Histórica y Regional, Universidad Nacional de La Pampa (GHUNLPam)

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 220768: authorized by Matthew Clapham, entered by Matthew Clapham on 14.06.2021, edited by Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gymnolaemata
 Cheilostomata - Cribrilinidae
Tricephalopora "sp. 1"
Tricephalopora "sp. 1"
MPEF-PI 6132.19
 Cheilostomata - Aspidostomatidae
Aspidostoma onychocelliferum
Aspidostoma onychocelliferum Canu 1911
MPEF-PI 6132.68
Bivalvia
 Ostreida - Gryphaeidae
Gryphaeostrea callophyla, Pycnodonte (Phygraea) sarmientoi, Pycnodonte (Phygraea) burckhardti
Gryphaeostrea callophyla Ihering 1903 oyster
6 valves deposited in GHUNLPam 1249 - 1254