Incisimura is an extinct genus of sponge in the family Guadalupiidae, that existed during the Permian period in what is now Texas, USA. It was described by Robert M. Finks in 2010, and the type species is Incisimura bella.
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