Now showing items 1-10 of 613
First Tupinambinae teiid (Squamata, Teiidae) from the Paleogene of South America
(Taylor & Francis, 2015-02)
The Lumbrera Formation in north-western Argentina is notable for preserving lizard remains from the Palaeogene of South America. In this paper, we offer a re-description and re-evaluation of the material belonging to the ...
Main pathways in the evolution of the Paleogene Antarctic Sphenisciformes
The Seymour Island fossil penguins from the Cross Valley and La Meseta Formations, Seymour Island (James Ross Basin; late Paleocene, and Eocene/?early Oligocene respectively) constitute the most complete stratigraphic ...
New macrostomatan snake from the Paleogene of northwestern Argentina
(Elsevier France-editions Scientifiques Medicales Elsevier, 2018-06)
The lower Eocene Lumbrera Formation in Salta province, northwestern Argentina, outstands for providing snake remains from a non-Patagonian Paleogene site. The material consists of articulated precloacal vertebrae that ...
Paleogene dinoflagellate cysts from the Punta Prat, Southern Chile
(Taylor & Francis, 2009-03)
Paleogene dinoflagellate cysts were recorded from the Chorrillo Chico and Agua Fresca formations at Punta Prat, southern Chile. Due to the presence of Palaeoperidinium pyrophorum, the Chorrillo Chico Formation is no younger ...
The utility of Desmidiospora: a paradigm shift based on Paleogene fungal remains from the Ñirihuau Basin, Argentina
(American Association of Stratigraphic Palynologists Foundation, 2019-10)
Fungal remains similar to those described as Desmidiospora willoughbyi were found in samples from the Rıo Foyel section (El Foyel Group of Paleogene age), Nirihuau Basin, Argentina. A full description and illustrations are ...
Paleogene laterites bearing the highest insect ichnodiversity in paleosols
(Geological Society of America, 2016-01)
Research on laterites deals mostly with geomorphological and geochemical characterization of extant tropical systems, with few examples of sedimentologic and paleosol analyses of mid-latitude detrital records. Extra-tropical, ...
Paleogene Glyptodontidae Propalaehoplophorinae (Xenarthra, Cingulata) in extra-patagonian areasRegistros paleógenos de Glyptodontidae Propalaehoplophorinae (Xenarthra, Cingulata) en áreas extrapatagónicas
(Servicio Nacional de Geología y Minería, 2016-01)
Paleogene records of Cingulata Glyptodontidae are scarce. The only well described comes from the Paleogene of Argentine Patagonia. Two subfamilies have been reported for that period: Glyptatelinae and Propalaehoplophorinae. ...
HYDROTHERMAL CEMENTATION IN PALEOGENE SEDIMENTARY DEPOSITS OF THE CONTINENTAL RIFT OF SOUTHEASTERN BRAZIL: MINERALOGY AND TECTONIC RELATIONSHIPSCIMENTAÇÃO HIDROTERMAL EM DEPÓSITOS SEDIMENTARES PALEOGÊNICOS DO RIFT CONTINENTAL DO SUDESTE DO BRASIL: MINERALOGIA E RELAÇÕES TECTÔNICAS
(Sociedade Brasileira de Geologia, 2017)