Rachovia formerly included Llanolebias, but these are now regarded as separate genera.[5]Rachovia and Austrofundulus are closely related,[6] and it has been suggested that the latter should be merged into the former.[7]
There are currently four recognized species of Rachovia:[2]
^Christopher Scharpf; Kenneth J. Lazara (5 September 2019). "Order CYPRINODONTIFORMES: Family RIVULIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 16 September 2019.
^Hrbek, T.; D.C. Taphorn (2008). "Description of a new annual rivulid killifish genus from Venezuela". Zootaxa. 1734: 27–42. doi:10.5281/zenodo.181425.
^Hrbek, Y.; D.C. Taphorn; J.E. Thomerson (2005). "Molecular phylogeny of Austrofundulus Myers (Cyprinodontiformes: Rivulidae), with revision of the genus and the description of four new species". Zootaxa. 825: 1–39. doi:10.11646/zootaxa.825.1.1.