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Mostrando ítems 41-50 de 164
Mammals from the Salicas Formation (late Miocene), La Rioja Province, northwestern Argentina: paleobiogeography, age, and paleoenvironmentMamíferos de la formación salicas (mioceno tardío), provincia de La Rioja, noroeste de Argentina: paleobiogeografía, edad y paleoambiente
(Asociacion Paleontologica Argentina, 2012-09)
El objetivo de esta contribución es analizar una colección de mamíferos fósiles procedentes de la Formación Salicas en el área de El Degolladito, provincia de La Rioja, Argentina. El material aquí reportado fue recolectado ...
Las faunas de conchostracos mesozoicos de Brasil: su historia geológica como uma herramienta alternativa para las correlaciones estratigráficasTHE BRAZILIAN MESOZOIC CONCHOSTRACAN FAUNAS: ITS GEOLOGICAL HISTORY AS AN ALTERNATIVE TOOL FOR STRATIGRAPHIC CORRELATIONS
(Instituto de Geociências e Ciências Exatas, Universidade Estadual Paulista, 2007)
Galea (Rodentia, Caviidae) in the late Pleistocene of Corrientes Province (Argentina): taxonomic and paleobiogeographic implications
(E Schweizerbartsche Verlags, 2012-11)
The Caviidae (Rodentia) are taxonomically diverse caviomorphs. Their fossil record is abundant and their oldest representatives date back to the middle/late Miocene. The genus Galea MEyEn includes small-sized species, ...
New hadrosaurid (Dinosauria: Ornithopoda) fossils from the uppermost Cretaceous of central Patagonia and the influence of paleoenvironment on South American hadrosaur distribution
(Pergamon-Elsevier Science Ltd, 2021-10)
We describe and incorporate fragmentary new cranial and postcranial materials of hadrosaurid ornithopods into the non-avian dinosaur assemblage of the Upper Cretaceous (Coniacian–Maastrichtian) Lago Colhué Huapi Formation ...
Splendid and Seldom Isolated: The Paleobiogeography of Patagonia
(Annual Reviews, 2013-03-20)
The idea that South America was an island continent over most of the Cenozoic, during which its unusual mammalian faunas evolved in isolation, is outstandingly influential in biogeography. Although large numbers of recent ...
Elasmosaurid phylogeny and paleobiogeography, with a reappraisal of Aphrosaurus furlongi from the Maastrichtian of the Moreno Formation
(Society of Vertebrate Paleontology, 2019-09)
The holotype of the elasmosaurid Aphrosaurus furlongi from the Maastrichtian levels of the Moreno Formation is redescribed and considered a valid species based on one autapomorphy, a deep trough in the ventral surface of ...
Paleobiogeographic Remarks of the Devonian Corals and Bryozoans of BrazilConsiderações Paleobiogeográficas dos Corais e Briozoários do Devoniano Brasileiro
(Centro de Ciências Matemáticas e da Natureza, Instituto de Geociências, Universidade Feder, 2017)
Post-glacial Hirnantian (upper Ordovician) bryozoans from western Argentina: implications for survival and extinction patterns
(Asociacion Paleontologica Argentina, 2014-06)
Two bryozoan taxa occurring in the Hirnatian (Upper Ordovician) deposits in western Argentina document a first postglacial community associated with a mid-to high-latitude brachiopod assemblage, known as the typical Hirnantia ...
Tethyan calpionellids in the Neuquén Basin (Argentine Andes), their significance in defining the Jurassic/Cretaceous boundary and pathways for Tethyan-Eastern Pacific connections
(Pergamon-Elsevier Science Ltd, 2017-10)
The study of calpionellid distribution in the well-documented Las Loicas section of the Vaca Muerta Formation in the Neuquén Basin, Argentine Andes, allows the recognition of the upper part of the Crassicollaria Zone and ...