PALINOLOGIA DEL PALEOCENO DE CHUBUT. I. DESCRIPCIONES SISTEMATICAS
AbstractThe present paper deals with the description of 60 pollen and spore species found in Palaeocene sediments of the Chubut Province, Argentina. The material was collected from several sections of the Salamanca Formation (Cerro Abigarrado, Puerto Visser, Bajada de Hansen) and from other sections of the Bororó Formation. Also, some subsurface cores have been studied, from the area of Comodoro Rivadavia. The groups studied here include spores, monocolpate, tricolpate, dernicolpate, tricolporate, monoporate, diporate, triporate, stephanoporate and pantoporate grains. Nothofagidites and Gymnospermous grains have been studied elswhere. The following new species are proposed: Liliacidites regularis, Longapertites patagonicus, L. andreisu, Gemmatricolpites subspbaericus, Tricolpites communis, Rousea patagonica, Syndemicolpites petriellai, Rhoipites baculatus, R. minusculus, Fauitricol porites australis, Retitricol porites chubutensis, Striatricolporites gamerroi, Senipites tercrassata, Restioniidites pascualii, Triatriopollenites bertelsii, T. latejlexus, Polyporina romeroi, Anacolosidites diffusa and Ulmoideipites patagonicum. The new combinations are: Psilatricolpites inargutus (McIntyre), Psilatricolpites psilascabratus (Norton) and Albertipollenites anguloluminosus (Anderson).
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