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handle: 10261/8303 , 20.500.14352/49384
[ES] Se da a conocer el estudio paleobotánico preliminar que se está llevando a cabo en los yacimientos cretácicos de Calmu-Co y RanquilCo (Mendoza, Argentina). Su finalidad es la determinación sistemática de los restos vegetales encontrados, características paleoecológicas y paleoambientales para con posterioridad relacionarlas con las que se están determinando en varios yacimientos cretácicos del Borde Sur de la Sierra de Guadarrama (Madrid, España). Con este fin se analizan y discuten las características morfológicas de los fósiles estudiados, en general con mala preservación y se han relacionado con palinomorfos identificados en dichos materiales. También se estiman los porcentajes de restos fósiles determinados con carácter dudoso que superan el 80% del total. Los determinados a nivel de familia, género, etc. son del orden del 20%. Por el análisis de las diferencias existentes entre los palinomorfos y la macroflora estudiada se proponen observaciones paleoambientales.
[EN] A paleobotanical study is presented, which was carried out on the Cretaceous beds from Calmu-Co and Ranquil-Co (Mendoza, Argentina). This study was aimed to the determination of its diversity, ecological and environmental characteristics in order to establish later correlations with those found in the Spanish Cretaceous beds from Sierra de Guadarrama (Madrid, Spain).The aim of this article focuses on identifying the principal groups of plants in accord with anatomical and morphological characteristics and the presence of its pollen, fruits, seeds etc. In this research we have estimated the fossil plants remains of doubtful classification amounted up lo 80%. These rests determined at the family, genus, etc. level represented the remainder 20% of the total. Based on the differences between the paleomacroflora and the palynomorphs a series of paleoenvironmental remarks are proposed.
Peer reviewed
Macroflora, Palaeobotany, Argentina., 551.763(82), Argentina, 561(82), 2416 Paleontología, Megaflora, Palynology, Paleontología, Cretácico Superior, Palinología, Upper Cretaceous, Paleobotánica
Macroflora, Palaeobotany, Argentina., 551.763(82), Argentina, 561(82), 2416 Paleontología, Megaflora, Palynology, Paleontología, Cretácico Superior, Palinología, Upper Cretaceous, Paleobotánica
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