Tylomelania is a genus of freshwater snails which have an operculum, aquatic gastropod mollusks in the family Pachychilidae. A sister group (the closest relative) of Tylomelania is genus Pseudopotamis (2 species living on the Torres Strait Islands). Tylomelania and Pseudopotamis split in the Middle Miocene c. 19.5 Mya.
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