PALINOLOGÍA DA FORMAÇÁO SANTANA (CRETÁCEO DO NORDESTE DO BRASIL). IV- DESCRIÇÁO SISTEMÁTICA DOS POLENS DAS TURMAS PLICATES E POROSES, ESPOROS, INCERTAE SEDIS E MICROPLANCTON MARINHO

Abstract

This work represents the fourth (and last) part concerning the systematic of the paIynomorphs found at Santana Formation.The descriptions of 43 species of pollen-grains, 5 species of incertae sedis spores and 6 species of marine microplankton cysts are here presented.