Abstract The objectives of this study were the biostratigraphic and paleobiogeographic interpretations of the calcareous nannofossil records of the Romualdo Formation (Aptian-Albian) in the south-central portion of the Araripe Basin. The methods used to process the samples were decanting. smear slide. centrifugation. https://www.jmannino.com/super-save-NFL-Chicago-Bears-Blast-iPhone-14-Plus-Skin-p41373-big-savings/