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Middle–Upper Jurassic marine gastropods from central Saudi Arabia
(Taylor & Francis Ltd, 2018-07)
A total of 68 gastropod specimens are reported from the Middle‒Upper Jurassic sedimentary successions exposed at central Saudi Arabia. The studied material comes from the Tuwaiq Mountain and Hanifa formations at the Khashm ...
Sea level fluctuations and forced regressions in the Silurian basin in the Precordillera of Western Argentina
(Taylor & Francis Ltd, 2006-12)
Silurian strata, as part of an Upper Ordovician to Lower Devonian siliciclastic succession, are widely distributed in the Central Precordillera of Western Argentina, but they are scarce in the Eastern Precordillera, and ...
Middle-Upper Devonian palynofloras from Argentina, systematic and correlation
(Elsevier Science, 2018-10)
This investigation documents the first palynoassemblage spanning the Middle-Upper Devonian from four outcropping sections located in northwestern Argentina. The recovered material includes fairly well-preserved palynomorphs, ...
Devonian tentaculitoidea of the malvinokaffric realm of Brazil, paraná basin
(2018-01-01)
The Tentaculitoidea is represented by extinct invertebrates characterized by small, conic, carbonate shells of animals that inhabiting exclusively marine environments. The tentaculitoids occur from the Ordovician to Devonian, ...
New age constraints for the Cenozoic marine transgressions of northwestern Patagonia, Argentina (41°-43° S): Paleogeographic andtectonic implications
(Pergamon-Elsevier Science Ltd, 2014-01)
In this contribution we address the current controversial issues related to the age, correlation, tectonic setting and paleogeographic links of the Cenozoic fossiliferous marine strata that crop out in the eastern sector ...
Análisis del comportamiento del gasto en los hogares ecuatorianos por estrato socioeconómico: aplicación de un sistema casi ideal de demanda (AIDS) 2011-2012
(2017)
This research studies the consumption structure of Ecuadorian households, with the objective of analyzing the levels of sensitivity and substitution of products, especially when the changes in prices of goods and income ...
First Ordovician Foraminifera from South America: A Darriwilian (Middle Ordovician) fauna from the San Juan Formation, Argentina
(Micropaleontology Press, 2009-12)
The first Ordovician foraminifers in South America are described from Middle Ordovician (Darriwilian)strata of the upper part of the San Juan Formation, Argentina. The foraminifers are found together with conodonts of the ...
Strengthening western Gondwanan correlations: a Brazilian dicynodont (Synapsida, Anomodontia) in the Middle Triassic of Namibia
(Elsevier Science, 2013-04)
Terrestrial Middle Triassic strata occur throughout continental Africa and are particularly well exposed in South Africa, Tanzania, Zambia, and Namibia. The youngest age for all these African deposits is widely accepted ...