The Nonionidae is a l family within the order Rotaliida and part of the Nonionacea, shells, or tests, of which are planispiral or trochospiral, calcareous and finely perforate. Includes the Nonioninae, Pulleniinae, Spirotectinae, and Astrononioninae.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0