Palinología de la Formación Kachaike, Cretácico Inferior de la Cuenca Austral, provincia de Santa Cruz. Granos de polen de Gimnospermas
Abstract
Se determinaron 18 especies de granos de polen de gimnospermas dispersos de la Formación Kachaike, Cretácico Inferior de la cuenca Austral, provincia de Santa Cruz. Las principales familias representadas son las Cheirolepidaceae, Podocarpaceae, Araucariaceae y Ephedraceae. Se analizan distintas características observadas en los géneros Callialasporites Dev y Cyclusphaera Elsik . Finalmente se realizan algunas conclusiones generales sobre las diferentes familias de gimnospermas halladas en la Formación Kachaike.Downloads
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