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Araucariaceae macrofossil record from South America and Antarctica
(Taylor & Francis Ltd, 2012-03)
Araucariaceae fossils are abundant in Patagonia and on Seymour (Marambio) and King George (25 de Mayo) islands, Antarctica. Araucariacean macrofossil suites are represented by records of 121 woods, leaves, ovuliferous ...
Araucaria lefipanensis (Araucariaceae), a new species with dimorphic leaves from the Late Cretaceous of Patagonia, Argentina
(Botanical Society of America, 2018-06)
Premise of the Study: We describe a new araucarian species, Araucaria lefipanensis, from the Late Cretaceous flora of the Lefipán Formation, in Patagonia (Argentina) based on reproductive and vegetative remains, with a ...
Conifer Fossil Woods from the Sobral Formation (Lower Paleocene, Western Antarctica)Maderas fósiles de coníferas de la formación sobral (paleoceno inferior, Antártida occidental)
(Asociación Paleontológica Argentina, 2018-02)
Las maderas fósiles de coníferas representan el 54% de una colección de 116 especímenes recolectada en sedimentos de la Formación Sobral en la isla Seymour (Marambio), Antártida occidental. Estas maderas son descriptas ...
Chemical evaluation of carbonized logs from Araucariaceae species: characterization of materials associated to multivariate analysis for environmental inferencesAvaliação química de lenhos carbonizados de espécies de Araucariaceae: caracterização de materiais associados à análise multivariada para inferências ambientais
(Universidade Federal de Santa Maria, 2022)
Uncoupled evolution of male and female cone sizes in an ancient conifer lineage
(University of Chicago Press, 2019-01)
Sexual functions in gymnosperms are mostly performed by separate reproductive structures, which largely reduces sexual interference and sets the scene for morphological and functional sexual specialization. The evolutionary ...
Root nodules in Chilean conifersNódulos radiculares en coníferas chilenas
(Universidad Austral de Chile, Facultad de Ciencias Forestales y Recursos Naturales., 1988)
Recurrent volcanic activity recorded in araucarian wood from the Lower Cretaceous Springhill Formation, Patagonia, Argentina: Palaeoenvironmental interpretations
(Polish Academy of Sciences. Institute of Paleobiology, 2021-02)
This paper describes a petrified trunk collected from a conglomerate bed of the Springhill Formation (Berriasian?Valanginian) in the Estancia El Álamo locality, Santa Cruz Province, Argentina. The fossil trunk is classified ...