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A new early Danian gastropod assemblage from Northern Patagonia, Río Negro Province, Argentina
(Paleontological Society, 2012-11)
A new early Danian gastropod assemblage contained in the Roca Formation of Río Negro Province was analyzed. Eleven species are described and illustrated, the new genus Rocalaria is created, and six new species are recognized: ...
The family Carditidae (Bivalvia) in the early Danian of Patagonia (Argentina)
(Paleontological Society, 2017-11)
The first systematic analysis of the Danian carditids of Patagonia is presented, which includes four genera—one new genus and the first records of three other genera in South America. They consist of Claibornicardia ...
The Maastrichtian – Danian at General Roca (Patagonia, Argentina): a reappraisal of the chronostratigraphy and biostratigraphy of a type locality
(E Schweizerbartsche Verlags, 2011-02)
The Late Cretaceous - Early Paleogene succession exposed in the type area of the Roca Formation (General Roca, Rfo Negro Province), has been sampled in detail. Analyses of the calcareous nannofossil assemblages indicate ...
Danian (Early Paleocene) echinoids from the Roca Formation, northern Patagonia, Argentina
(E Schweizerbartsche Verlags, 2011-08)
Stratigraphically well-constrained echinoids from the Roca Formation in the province of Rio Negro (Patagonia, Argentina) are analysed in detail. The poorly known Linthia? joannisboehmi OPPENHEIM in BÖHM, 1903, recently ...
Paleobiogeography of the Danian molluscan assemblages of Patagonia (Argentina)
(Elsevier Science, 2015-01)
A detailed quantitative analysis of bivalves and gastropods reported from Danian marine rocks of Patagonia (Argentina) allowed the identification of three molluscan biogeographic units that, from north to south, are ...
Palaeontology of the Cerros Bayos section, Roca Formation (Danian), La Pampa Province, Argentina
(Taylor & Francis Ltd, 2007-09)
New mollusc and echinoid faunas are recorded from exposures of the Roca Formation at Cerros Bayos (La Pampa Province) and assigned to the Maastrichtian - Danian (CC26 - NP3 Zones of Martini 1971) on the basis of the ...
Late Maastrichtian to Danian organic-walled dinoflagellate cysts and calcareous nannofossils from eastern Austral Basin, Patagonia, Argentina
(Elsevier Science, 2021-02-02)
Late Maastrichtian to Danian dinoflagellate cyst and calcareous nannofossil biostratigraphy was analyzed at the Sur Río Chico borehole, Austral Basin, Argentina. Two stratigraphical intervals from the 965 to 1003 m below ...
Solenoporacean red algae from lower Danian (Paleogene) coral reefs of northern Patagonia, La Pampa, Argentina
(Asociacion Paleontologica Argentina, 2016-02)
The specimens resemble the solenoporaceans related to coraline red algae that appeared in the Ordovician and survived into the Miocene (Riding 2004, Aguirre et al. 2000). The solenoporaceans is a broad morphological grouping ...
Nanofósseis calcários do limite Cretáceo-Paleogeno e Daniano mais antigo da Bacia de Santos (Platô de São Paulo, Brasil)CALCAREOUS NANNOFOSSILS FROM CRETACEOUS/PALEOGENE BOUNDARY AND EARLIEST DANIAN OF SANTOS BASIN (SÃO PAULO PLATEAU, BRAZIL) – ODP LEG 39-SITE 356-CORES 28/29
(Instituto de Geociências e Ciências Exatas, Universidade Estadual Paulista, 2007)
Diconodinium lurense sp. nov., a late Maastrichtian to Danian dinoflagellate cyst from Southwest Atlantic basins
(Asociacion Paleontologica Argentina, 2005-12)
Los depósitos del Cretácico Superior y Cenozoico de las cuencas del Colorado y Austral, Argentina y Cuenca Punta del Este, Uruguay son portadores de asociaciones de quistes de dinoflagelados diversas. Diconodinium lurense ...