Search Results - "Archangelsky, Sergio"
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Aptian Angiosperm Pollen from the Ticó Flora Patagonia, Argentina
Published in International journal of plant sciences (01-03-2013)“…Six angiosperm pollen types studied with SEM are recorded in the Cretaceous (early Aptian) Ticó flora on the basis of material recovered from two localities:…”
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Biogeographic implications of Albian Mohria-like spores (Family Anemiaceae) in SW Gondwana (Patagonia)
Published in Review of palaeobotany and palynology (01-11-2009)“…The schizaeaceous extant genus Mohria has a distribution restricted to South Africa and Madagascar area. Its cicatricose spores are characterised by their…”
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EVIDENCES OF AN EARLY CRETACEOUS FLORISTIC CHANGE IN PATAGONIA, ARGENTINA
Published in APA publicación electrónica (01-10-2015)“…A new lithostratigraphic scheme has been proposed for the previous Baqueró Formation (Santa Cruz Province, Argentina), which is now considered to be a Group…”
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The southernmost record of tropical pollen grains in the mid-Cretaceous of Patagonia, Argentina
Published in Cretaceous research (01-12-2006)“…Pollen grains characteristic of tropical Northern Gondwana ( Schrankipollis, Brenneripollis and Pennipollis peroreticulatus) have been recorded from the…”
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Two new angiosperm leaf morphotypes from the Anfiteatro de Ticó Formation (mid-Aptian) Santa Cruz Province, Argentina
Published in Review of palaeobotany and palynology (01-12-2016)“…Floodplain deposits of the Anfiteatro de Ticó Formation (Baqueró Group, Aptian), in Patagonia (Argentina), are rich in plant remains and contain some of the…”
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Palynostratigraphic study of the Early Cretaceous Río Mayer and Kachaike formations at the Quebrada El Moro Section, Austral Basin, southwestern Argentina
Published in Cretaceous research (01-04-2012)“…Palynomorph assemblages have been recovered from the upper levels of the Río Mayer Formation and the basal levels of the Kachaike Formation exposed at the…”
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Early Cretaceous palm pollen tetrads from Patagonia, Argentina
Published in Cretaceous research (01-04-2016)“…Pollen tetrads and monads of spiny pollen grains with close affinities to palms have been found in several localities from the Lower Cretaceous…”
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An Early Cretaceous zamiaceous cycad of South West Gondwana: Restrepophyllum nov. gen. from Patagonia, Argentina
Published in Review of palaeobotany and palynology (01-07-2010)“…The record of Cycadales in Patagonia begins in the Triassic and extends up to the Oligocene. In this region the group is highly diversified and includes…”
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An ultrastructural study of the araucarian pollen grain Cyclusphaera radiata Archangelsky from the Albian of Patagonia
Published in Review of palaeobotany and palynology (01-04-2012)“…The araucarian pollen grain Cyclusphaera radiata Archangelsky is emended based on newly discovered material from the Piedra Clavada Formation of Albian age in…”
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DICTYOPTERIDIUM FEISTMANTEL (FRUCTIFICACION PERMICA DE GLOSSOPTERIDALES): PRIMER REGISTRO ARGENTINO
Published in APA publicación electrónica (01-10-2010)“…For the first time the genus Dictyopteridium is described in Argentina. Comparisons with other records from Gondwana are made. A discussion about La Golondrina…”
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Ultrastructural study of Arcellites humilis Villar de Seoane and Archangelsky, 2008, from the Cretaceous of Patagonia, Argentina
Published in Geobios (01-05-2013)“…A scanning and transmission electron microscopy-based ultrastructural study of Arcellites humilisVillar de Seoane and Archangelsky, 2008, from the Kachaike…”
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Correlation and paleoenvironments of middle Paleogene marine beds based on dinoflagellate cysts in southwestern Patagonia, Argentina
Published in Journal of South American earth sciences (01-07-2014)“…An understanding of paleonvironmental and paleoceanographic evolution of the Southwestern Atlantic Ocean during the Palaeogene is prevented by the lack of…”
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Estudios palinológicos del Grupo Baqueró (Cretácico Inferior), provincia de Santa Cruz, Argentina. IX polen bisacado de Podocarpaceae
Published in Spanish journal of palaeontology (02-03-2021)“…Se describen nueve especies de granos bisacados pertenecientes a la Familia Podocarpaceae, de las cuales tres son especies conocidas, cuatro son nuevas y otras…”
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Early angiosperm diversification: evidence from southern South America
Published in Cretaceous research (01-10-2009)“…In this report, we analyze the angiosperm fossil record (micro- and megafossil) from the central and southern basins of Argentina, southern South America,…”
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Una nueva probable gleicheniácea del Pérmico Inferior de Patagonia, Argentina
Published in Spanish journal of palaeontology (01-03-2022)“…Se describen ejemplares estériles y fértiles de helechos que se refieren a una nueva especie de Oligocarpia, O. patagónica Cesari, Cúneo y Archangelsky. El…”
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Leaf Cuticle Anatomy and the Ultrastructure of Ginkgoites ticoensis Archang. from the Aptian of Patagonia
Published in International journal of plant sciences (01-03-2013)“…The leaf cuticle of the Ginkgoites ticoensis Archang. type material from the Aptian Anfiteatro de Ticó Formation in Patagonia, Argentina, is fully…”
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Revisión taxonómica y estratigráfica de esporas cicatricosas del Cretácico Inferior de Patagonia: 2. Géneros Cicatricosisporites Potonié Gelletich y Ruffordiaspora Dettmann Clifford Taxonomic and stratigraphic revision of Lower Cretaceous cicatricose spores from Patagonia: 2. Genera Cicatricosisporites Potonié Gelletich and Ruffordiaspora Dettmann Clifford
Published in Revista del Museo Argentino de Ciencias Naturales (1999) (01-12-2010)“…Se estudian 9 especies del género Cicatricosisporites y 5 especies del género Ruffordiaspora, halladas en diferentes perfiles que abarcan sedimentitas…”
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Revisión taxonómica y estratigráfica de esporas cicatricosas del Cretácico Inferior de Patagonia: 1. Géneros Appendicisporites Weyland Krieger, Nodosisporites Deák y Plicatella Maljavkina Taxonomic and stratigraphic revision of Lower Cretaceous cicatricose spores from Patagonia: 1. Genera Appendicisporites Weyland Krieger, Nodosisporites Deák and Plicatella Maljavkina
Published in Revista del Museo Argentino de Ciencias Naturales (1999) (01-06-2010)“…Sedimentitas del Cretácico Inferior halladas en distintas localidades de la Cuenca Austral, Patagonia, incluyen numerosos tipos de esporas cicatricosas de…”
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