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Cientista reacende polêmica sobre fóssil
(2005-04-07)
The interplay between event and background sedimentation and the origin of fossil-rich carbonate concretions: a case study in Permian rocks of the Paraná Basin, Brazil
(2015)
The Permian Serra Alta Formation was generated under transgressive conditionswithin a large, calm epeiric sea. A monotonous succession of ‘barren’, massive mud-stones deposited under oxygen-deficient conditions (mainly below ...
Changes of sub-fossil chironomid assemblages associated with volcanic sediment deposition in an andean lake (38 degrees s), chile
(SOCIEDAD DE BIOLOGIA DE CHILE, 2007)
Changes of sub-fossil chironomid assemblages associated with volcanic sediment deposition in an andean lake (38 degrees s), chile
(SOCIEDAD DE BIOLOGIA DE CHILE, 2007)
The fossil flip-leaves (Retrophyllum, Podocarpaceae) of southern South America
(Botanical Society of America, 2017-09)
PREMISE OF THE STUDY: The flip-leaved podocarp Retrophyllum has a disjunct extant distribution in South American and Australasian tropical rainforests and a Gondwanic fossil record since the Eocene. Evolutionary, biogeographic, ...
Spirodesmos milanai n. isp.: A shallow-water spiral trace fossil from the Cambrian of the Eastern Cordillera, northwest Argentina
(Taylor & Francis, 2005-04)
A new ichnofossiliferous locality in Salta Province (northwest Argentina) contains an association with numerous irregular spiral traces assigned to Spirodesmos milanai n. isp., in mature sandstones and quartzites with ...
Trace fossils from the Lower–Middle Jurassic Bardas Blancas Formation, Neuquén Basin, Mendoza Province, Argentina
(Wydawnictwo Naukowe Invit, 2009-12)
Trace fossil associations from the Lower–Middle Jurassic siliciclastic succession of the northern Neuquén Basin, Argentina are described and their palaeoenvironmental interpretation is discussed. The Bardas Blancas Formation ...
El bosque petrificado de Piedra Chamana: preliminary paleoecological interpretations of a late middle Eocene fossil assemblage
(Sociedad Geológica del PerúPE, 2013)
The Piedra Chamana Fossil Forest in northern Peru, which is associated with Calipuy volcanics dated at 39 Ma, includes a large amount of fossil wood occurring across an 8-km-long area. In one part of the site, woods are ...