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Lower Ordovician (late Tremadocian?- Floian) palynomorphs from the Llanos Basin, Colombia: Biostratigraphic and paleogeographic significance
(Elsevier Science, 2019-06)
Four core and fifteen cutting samples of well RH-2 from the Ordovician of the Llanos Basin, Colombia, were palynologically analyzed. They yielded mostly diverse and well-preserved marine palynomorph assemblages, dominated ...
Quaternary biostratigraphy and biogeography of mountain region of Córdoba, Argentina
(Elsevier France-editions Scientifiques Medicales Elsevier, 2017-06)
In Argentina, Quaternary paleontological and biostratigraphic studies were mainly conducted in the Pampas plains of the provinces of Buenos Aires, Córdoba, Formosa and Santa Fe. The aim of the present study is to analyse ...
Biostratigraphy and paleogeography of Middle-Late Ordovician palynomorphs from the Llanos Basin, Colombia
(Elsevier Science, 2021-03)
Diverse and moderately to well-preserved palynomorph assemblages, composed of 81 organic-walled phytoplankton species, belonging to 47 genera, and two chitinozoan species, were recorded from the Ordovician rocks of the ...
Selenogonus narinoensis Stirton, 1947 (Tayassuidae, Cetartiodactyla, Mammalia): Taxonomic status and paleobiogeographic implications
(Wiley VCH Verlag, 2021-03)
The species Selenogonus narinoensis was described by Stirton (1947) based on a single specimen which comes from sediments cropping out in the Cocha Verde locality, Nariño Department (Colombia), tentatively referred to the ...
Phylogenetic relationships and classification of solaropsidae (Gastropoda: Stylommatophora)
(E Schweizerbartsche Verlags, 2020-12-17)
The classification of terrestrial sundial snails has a long and contentious history; they have been diversely classified in Camaenidae, Pleurodontidae, Polygyridae, and also in their own family, Solaropsidae. Two genera ...
Early Devonian miospores and organic geochemistry from the Alto Garças Sub-basin (Paraná Basin), Brazil: Biostratigraphic, paleogeographical and paleoenvironmental implications
(Elsevier Science, 2020-03)
The present study concerns the palynology (mainly miospores), and geochemistry of the Jaciara section, situated 5 km from the town of Jaciara, Mato Grosso, in the Paraná Basin of Brazil. The age of this outcrop is considered ...
New record of Neosaimiri (Cebidae, Platyrrhini) from the late Middle Miocene of Peruvian Amazonia
(Academic Press Ltd - Elsevier Science Ltd, 2020-09)
The Honda Group of La Venta, Colombia, has yielded a wide array of crown platyrrhine primates, documenting the late Middle Miocene epoch (ca. 13.1e12.6 Ma, Laventan South American Land Mammal Age). Although exceptional, ...
The marine crocodile Maledictosuchus (Thalattosuchia, Metriorhynchidae) from the Kimmeridgian deposits of Tlaxiaco, Oaxaca, southern Mexico
(Society of Vertebrate Paleontology, 2018-07)
Metriorhynchidae is a family of highly specialized, extinct marine crocodylomorphs that inhabited the Paleopacific Ocean and the Tethys Sea during the Jurassic and the Early Cretaceous. Numerous metriorhynchid fossil ...
New record of Neosaimiri (Cebidae, Platyrrhini) from the late Middle Miocene of Peruvian Amazonia
(Academic Press Ltd - Elsevier Science Ltd, 2020-09)
The Honda Group of La Venta, Colombia, has yielded a wide array of crown platyrrhine primates, documenting the late Middle Miocene epoch (ca. 13.1–12.6 Ma, Laventan South American Land Mammal Age). Although exceptional, ...
Maastrichtian to Danian Atlantic transgression in the north of Patagonia: A dinoflagellate cyst approach
(Pergamon-Elsevier Science Ltd, 2019-06)
The late Maastrichtian to early Paleocene marine successions in northern Patagonia and neighboring southwestern Atlantic Ocean Basins provided a valuable organic-walled dinoflagellate cysts record. Assemblages around the ...