Laimosemion is a genus of rivulines formerly included in Rivulus but separated by W. J. E. M. Costa in 2011. Subsequent work done in 2012 by J. H. Huber suggests that this group is simply a subgenus of Rivulus.
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