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Mostrando ítems 11-20 de 438
A new giant basal titanosaur sauropod in the Upper Cretaceous (Coniacian) of the Neuquén Basin, Argentina
(Academic Press Inc., 2019)
Early Cretaceous decapod Crustacea from the Neuquén Basin, west-central Argentina
(Brill Academic Publishers, 2003-12)
Marine deposits of the Neuquén Basin of west-central Argentina (southern South America) are richly fossiliferous; its Mesozoic invertebrate faunas, represented mostly by molluscs, have been extensively studied since the ...
A new giant basal titanosaur sauropod in the Upper Cretaceous (Coniacian) of the Neuquén Basin, Argentina
(Academic Press Ltd - Elsevier Science Ltd, 2019-08)
A new basal sauropod titanosaur, Kaijutitan maui gen. et sp. nov., is described. The holotype of this species, which comes from the Sierra Barrosa Formation (upper Coniacian, Upper Cretaceous), consists of cranial, axial, ...
Early Jurassic Caenogastropoda and Architectibranchia from the Neuquén Basin, Argentina
(Paleontological Society, 2017-01)
Early Jurassic marine gastropods are well represented in Argentina by three major taxa: Vetigastropoda, Caenogastropoda and Architectibranchia (=Opisthobranchia). The present paper aims at the description of six new ...
Análisis estratigráfico y paleoambiental de la Formación Anacleto (Cretácico Superior), en las bardas de la localidad de Cinco Saltos, provincia de Río Negro
Este trabajo propone ampliar al conocimiento sedimentológico y estratigráfico de la sección superior de la Formación Anacleto (Campaniano inferior, Cretácico Superior), expuesta en el borde oriental de la Cuenca Neuquina, ...
Lower Cretaceous (Berriasian-Aptian) biostratigraphy of the Neuquén Basin
(Geological Society of London, 2005-12)
The Berriasian-Aptian succession in the Neuquén Basin is mainly marine in the lower part and non-marine in the upper portion. A detailed ammonite zonation is presented for the Berriasian-?Early Barremian interval. While ...
Baalsaurus mansillai gen. et sp. nov. a new titanosaurian sauropod (late Cretaceous) from Neuquén, Patagonia, Argentina
(Academia Brasileira de Ciencias, 2018-12)
We describe a dentary of a new titanosaur sauropod, Baalsaurus mansillai, gen. et sp. nov. from the Late Cretaceous of Patagonia, Argentina. The material comes from the Portezuelo Formation, Neuquén Group. Titanosaur ...
Predation bite-marks on a peirosaurid crocodyliform from the Upper Cretaceous of Neuquén Province, ArgentinaMarcas de predación en un crocodiliforme peirosaurido del Cretácico Superior del Neuquén, Argentina
(Asociacion Paleontologica Argentina, 2010-10)
El hallazgo de marcas de mordeduras y lesiones por predación o comportamiento social agresivo intraespecífico en vertebrados fósiles es poco frecuente. En el registro fósil de arcosaurios suquianos tales evidencias son ...
Bone microstructure and diagenesis of saurischian dinosaurs from the upper cretaceous (Neuquén group), ArgentinaMicroestructura ósea y diagénesis de dinosaurios saurisquios del Cretácico Superior (Grupo Neuquén), Argentina
(Servicio Nacional de Geología y Minería, 2017-01)
The Neuquén Basin in northwestern Patagonia, Argentina, holds the most important record of Cretaceous dinosaurs in South America.The Neuquén Group (Upper Cretaceous) is the richest dinosaur-bearing unit of the basin. It ...
Depósitos laháricos en la Formación Los Molles en Chacay Melehue, Neuquén: evidencia de volcanismo jurásico en la cuenca neuquinaLahar deposits of the Molles Formation in Chacay Melehue, Neuquén: evidence of Jurassic volcanism in the Neuquén basin
(Asociación Geológica Argentina, 2005-09)
Se describen depósitos laháricos en la comarca de Chacay Melehue, en la región noroccidental de la provincia del Neuquén. Los mismos, que previamente habían sido interpretados como lavas almohadilladas o como formando parte ...