Western dwarf salamanderThe western dwarf salamander is species of salamander native to the southern United States.TaxonomyIt was described in 1947 but later synonymized with the southeastern [dwarf salamander]. However, a 2017 study used. In addition, genetic studies indicate that it may be more closely related to the radiation of neotenic Eurycea of the Edwards Plateau in Texas than to the rest of the E. quadridigitata complex.DistributionIt ranges from southern Mississippi east through Louisiana to eastern Texas.