Tropidomarga is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails. This genus was previously included in the family Trochidae.
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