Radiospongilla is a genus of freshwater sponges in the family Spongillidae. It was defined by Penney and Racek in 1968. The type species is Radiospongilla sceptroides.
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