Palynomorph assemblages of the Cuayuca Formation (Paleogene), Puebla, southern Mexico. Part 1: trilete spores, monolete spores and gymnosperm pollen
Abstract
Abstract. This publication presents the systematics of monolete and trilete spores, and polyplicate, inaperturate and bisaccate pollen grains recovered from outcrops of the Cuayuca Formation, State of Puebla, southern Mexico. Species belonging to the following genera are described and illustrated: Cicatricosisporites, Deltoidospora, Foveotriletes, Leptolepidites, Lusatisporis, Retitriletes, Stereigranisporis, Verrucingulatisporites, Polypodiisporites, Pinuspollenites, Pityosporites, Ephedripites, and Cupressacites. Pteridophytes and bryophytes spores constitute 13.5% of the assemblages and gymnosperms 7.3%. Angiosperms, to be discussed on later papers, dominate the assemblage. Resumen. ASOCIACIÓN PALINOLÓGICA DE LA FORMACIÓN CUAYUCA (PALEÓGENO), PUEBLA, SUR DE MÉXICO. PARTE I: ESPORAS TRILETES, ESPORAS MONOLETES Y POLEN DE GIMNOSPERMAS. Esta publicación presenta la sistemática de esporas monolete y trilete, y granos de polen poliplicados, inaperturados y bisacados recuperados de secciones estudiadas correspondientes a la Formación Cuayuca, aflorantes al sur de México, estado de Puebla. Se describen e ilustran especies pertenecientes a los géneros: Cicatricosisporites, Deltoidospora, Foveotriletes, Leptolepidites, Lusatisporis, Retitriletes, Stereigranisporis, Verrucingulatisporites, Polypodiisporites, Pinuspollenites, Pityosporites, Ephedripites y Cupressacites. Las pteridofitas y briofitas constituyen el 13.5% del total de la palinoflora estudiada y las gimnospermas el 7.3%. Las angiospermas, que serán discutidas en trabajos posteriores, dominan las asociaciones.Downloads
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