Person: Archangelsky, Sergio
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Archangelsky
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Sergio
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Publication Correlation and paleoenvironments of middle Paleogene marine beds based on dinoflagellate cysts in southwestern Patagonia, Argentina(2014) Guerstein, Raquel; González Estebenet, MarÃa Sol; Alperin, Marta Inés; Casadio, Silvio A.; Archangelsky, SergioPublication Spore and pollen types of the Lower Cretaceous in Patagonia (Argentina)(1967) Archangelsky, Sergio; Gamerro, Juan CarlosPublication Early Cretaceous palm pollen tetrads from Patagonia, Argentina(2016) MartÃnez, Leandro Carlos Alcides; Archangelsky, Sergio; Pramparo, Mercedes Beatriz; Archangelsky, AnaPublication Primer registro del dinoflagelado invasor Cerati um furcoides (Levander) Langhans 1925 en la Argentina y su distribución en el área de influencia del Embalse Yacyretá RÃo Paraná, Argentina-Paraguay)(2016) MartÃnez, Leandro Carlos Alcides; Archangelsky, Sergio; Pramparo, Mercedes Beatriz; Archangelsky, AnaPublication Elementos florÃsticos del Pérmico Argentino : las glossopterideas de la Serie Nueva Lubecka, provincia de Chubut(1965) Archangelsky, Sergio; Arrondo, Oscar GuillermoPublication Early angiosperm diversification : Evidence from southern South America(2009) Archangelsky, Sergio; Barreda, Viviana Dora; Passalia, Mauro G.; Gandolfo, MarÃa A.; Pramparo, Mercedes Beatriz; Romero, Edgardo Juan; Cúneo, Néstor Rubén; Zamuner, Alba Berta; Iglesias, Ari; Llorens, Magdalena; Puebla, Gabriela G.; Quattrocchio, Mirta E.; Volkheimer, WolfgangPublication Osmundites Herbstii, nueva petrificación triásica de El Tranquilo, provincia de Santa Cruz(1963) Archangelsky, Sergio; De la Sota, ElÃas RamónPublication Cuticular Characters Adapted to Volcanic Stress in a New Cretaceous Cycad Leaf from Patagonia, Argentina - Considerations on the Stratigraphy and Depositional History of the Baquero Formation(1995) Archangelsky, Ana; Andreis, Renato Rodolfo; Archangelsky, Sergio; Artabe, AnalÃa Emilia EvaPublication On the genus Tomaxellia (Coniferae) from the Lower Cretaceous of Patagonia (Argentina) and its male and female cones(1968) Archangelsky, SergioThis paper reports the organic attachment of male and female cones to twigs previously described as Tomaxellia biforme Archangelsky. The male cones produce Classopollis pollen, while the scales of the female StIWCtWeS are comparable to the Rhaeto-Liassic northern genus Cheirolepidium. A new interpretation of the possible femqle cone of Cheirolepidium is presented, based on the new evidence now available with the knowledge of Tomaxeellia cones. Other female cones found in Mesozoic formations may be comparable to some extent with Tomaxellia, such as Indostrobus (Cretaceous of India) or Paruraucaria (Jurassic of Argentina), and they may be grouped in the family Cheirolepidiaceaa. Comparisons with older conifer genera with known female cones are also included (Voltziaceae). Some morphological changes of the female cones, which probably took place during the Mesozoic (in these particular groups) are also inferred.