Eurycea aquatica Rose and Bush, 1963, Tulane Stud. Zool., 10: 121. Holotype: USNM 147138, by original designation. Type locality: "small springs and permanent streams two miles west of Bessemer, Jefferson County, Alabama, along county highway 20", USA.
Eurycea bislineata aquatica — Petranka, 1998, Salamand. U.S. Canada: 241-242. See comment.
Dark-sided Salamander (Tilley, Highton, and Wake, 2008, in Crother (ed.), Herpetol. Circ., 37: 17).
Brown-backed Salamander (Conant, 1975, Field Guide Rept. Amph. E. Cent. N. Am., Ed. 2: 290; Tilley, Highton, and Wake, 2012, in Crother (ed.), Herpetol. Circ., 39: 27).
Brownback Salamander (Collins and Taggart, 2009, Standard Common Curr. Sci. Names N. Am. Amph. Turtles Rept. Crocodil., ed. 6: 12).
Jefferson County Salamander (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 31).
Nothern Alabama, to northwestern Georgia and north-central Tennessee; possibly to be found in adjacent northeastern Mississippi.
The status of this taxon was problematic until recently. Petranka, 1998, Salamand. U.S. Canada: 241-242, continued the recognition of this lineage as a subspecies of Eurycea bislineata (sensu lato, as including Eurycea wilderae and Eurycea cirrigera). Sever, 1989, Bull. Chicago Herpetol. Soc., 24: 70-74, discussed the problem and concluded that Eurycea aquatica is a junior synonym of Eurycea cirrigera, but later Sever, 1999, Cat. Am. Amph. Rept., 684: 4, argued for its recognition. Timpe, Graham, and Bonett, 2009, Mol. Phylogenet. Evol., 52: 368-378, on the basis of molecular evidence provided a map, documented the monophyly of this taxon, and suggested that it is the nearest relative of Eurycea junaluska and composed of at least three genetically distinct populations.
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