Eurycea nana Bishop, 1941, Occas. Pap. Mus. Zool. Univ. Michigan, 451: 6. Holotype: UMMZ 89759, by original designation. Type locality: "Lake at the head of the San Marcos River, at San Marcos, Hays County, Texas", USA.
Eurycea neotenes nana — Schmidt, 1953, Check List N. Am. Amph. Rept., Ed. 6: 55.
Eurycea nana — Conant, 1958, Field Guide Rept. Amph. E. Cent. N. Am.: 251.
Eurycea (Paedomolge, Notiomolge, Blepsimolge) nana — Hillis, Chamberlain, Wilcox, and Chippindale, 2001, Herpetologica, 57: 275. Invalid name formulation under the International Code of Zoological Nomenclature (1999) as discussed by Dubois, 2007, Cladistics, 23: 395.
Eurycea (Blepsimolge) nana — Raffaëlli, 2007, Les Urodèles du Monde: 178.
Dwarf Eurycea (Bishop, 1943, Handb. Salamanders: 439).
San Marcos Salamander (Schmidt, 1953, Check List N. Am. Amph. Rept., Ed. 6: 55; Conant, Cagle, Goin, Lowe, Neill, Netting, Schmidt, Shaw, Stebbins, and Bogert, 1956, Copeia, 1956: 174; Conant, 1975, Field Guide Rept. Amph. E. Cent. N. Am., Ed. 2: 293; Collins, Huheey, Knight, and Smith, 1978, Herpetol. Circ., 7: 6; Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 31; Collins, 1997, Herpetol. Circ., 25: 7; Crother, Boundy, Campbell, de Queiroz, Frost, Highton, Iverson, Meylan, Reeder, Seidel, Sites, Taggart, Tilley, and Wake, 2001 "2000", Herpetol. Circ., 29: 23; Tilley, Highton, and Wake, 2008, in Crother (ed.), Herpetol. Circ., 37: 18; Collins and Taggart, 2009, Standard Common Curr. Sci. Names N. Am. Amph. Turtles Rept. Crocodil., ed. 6: 12; Tilley, Highton, and Wake, 2012, in Crother (ed.), Herpetol. Circ., 39: 27).
Known only from the type locality (pool at the source of the San Marcos River, San Marcos, Hays County, Texas, USA).
Reviewed by Brown, 1967, Cat. Am. Amph. Rept., 35: 1-2. Validity supported by Chippindale, Price, and Hillis, 1998, Copeia, 1998: 1046-1049. See account in Chippindale, 2000, in Bruce et al., Biol. Plethodontid Salamanders: 149-178. Raffaëlli, 2007, Les Urodèles du Monde: 178-179, provided a brief account, photograph, and map. See photograph, map, description of geographic range and habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 572.
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