pyIFPNI: A package for querying and downloading plant fossil data from the IFPNI

•The pyIFPNI package assists researchers in accessing, retrieving, and utilizing data from the IFPNI portal.•This package provides nine fundamental methods, which are categorized into three groups according to their purpose: taxon name search, publication search, and author search.•There are 15 advanced methods that allow for finding parent or descendent taxa of target taxa, searching for plant taxa within target publications, and locating publications by paleobotanists associated with specific taxa.•This package automatically merges result entries and allows for effortless saving to a CSV file.