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Estudio de las faunas de graptolitos de la sucesión ordovícica aflorante en la Sierra de Villicum, Precordillera Oriental, San Juan, Argentina
(2019-03-28)
En el presente trabajo se realiza un estudio de las faunas de graptolitos de la sucesión silicoclástica ordovícica aflorante en el flanco oriental de la sierra de Villicum, Precordillera Oriental, Provincia de San Juan, ...
A Middle Ordovician (Darriwilian) dysaerobic brachiopod assemblage from the Precordillera Terrane of Argentina: Implications for early colonization of deep watersUna asociación disaeróbica de braquiópodos del Ordovícico medio (Darriwiliano) del terreno precordillera,argentina: implicaciones para la colonización temprana de las aguas profundas
(Asociacion Paleontologica Argentina, 2015-02)
A rapid increase of water depth associated with dysoxic bottom conditions took place in the central part of the Precordillera basin during the middle Darriwilian. The peak of transgression and drowning of the carbonate ...
El Darriwiliense inferior (Ordovícico Medio) en el extremo norte de la Precordillera de Mendoza, Argentina: Implicaciones estratigráficas y bioestratigráficasThe lower Darriwilian (Middle Ordovician) at the northern extreme of the Mendoza Precordillera, Argentina: Stratigraphic and biostratigraphic implications
(Instituto Geológico y Minero de España, 2016-12)
En esta contribución se da a conocer una nueva localidad fosilífera en la Cantera Los Guanacos del extremo norte de la sierra de Las Higueras, a 10.5 km de la localidad de Salagasta, Precordillera de Mendoza, oeste de ...
Registro fósil de la Puna
(Fundación Miguel Lillo, 2018)
Las referencias de restos fósiles de la Puna son escasas; las más diversasy abundantes incluyen mayormente fauna paleozoica constituida principalmente por trilobites, graptolites, conodontes, trazas y en menor medida se ...
High-latitude Hirnantian (latest Ordovician) brachiopods from the Eusebio Ayala Formation of Paraguay, Paraná Basin
(Wiley, 2013-01)
Examination of newly collected brachiopods from the Eusebio Ayala Formation of Paraguay reveals the occurrence of Arenorthis paranaensis sp. nov., Plectothyrella? itacurubiensis sp. nov., Hindella sp. and Eostropheodonta ...
Reassessment of the spinose polytoechiid brachiopod pinatotoechia Benedetto from the Lower Ordovician of western Argentina
(Asociación Paleontológica Argentina, 2016-02)
PINATOECHIA (type species Pinatotoechia acantha Benedetto) is a peculiar spinose polytoechiid hitherto confined to the Famatina-Puna volcanic-arc system fringing the Andean margin of Gondwana during the Ordovician. This ...
The worm Palaeoscolex from the Cambrian of NW Argentina: extending the biogeography of Cambrian priapulids to South America.
(Taylor & Francis Ltd, 2011-06)
Over one hundred years of palaeontological research in northwestern Argentina has provided extensive knowledge of Andean lower Palaeozoic fossil assemblages, with trilobites, graptolites, brachiopods and echinoderms being ...
New records of Tremadocian conodonts (Early Ordovician) from the Zenta Range, Jujuy Province, Argentina
(Asociación Paleontológica Argentina, 2013-07)
THE study area is located nearby the Santa Ana village, province of Jujuy, in the Zenta Range of the Cordillera Oriental, northwestern Argentina. Localities can be reached by the national Route 9 to the town of Humahuaca, ...
Nautiloid cephalopods – a review of their use and potential in biostratigraphy
(Biologiezentrum des Oberösterreichischen Landesmuseums, 2014-03)
In terms of their use as biostratigraphical tools, nautiloid cephalopods are the poor relations of ammonoids. Nevertheless, in certain situations, they may provide useful biostratigraphical data, particularly where other ...