Necturus louisianensis Viosca, 1938
Necturus louisianensis Viosca, 1938, Proc. Biol. Soc. Washington, 51: 143. Holotype: USNM 104238, by original designation. Type locality: "Big Creek a few miles east of Pollock, [Grant Parish,] Louisiana", USA.
Necturus louisianensis — Collins, 1991, Herpetol. Rev., 22: 43.
Necturus (Necturus) louisianensis — Dubois and Raffaëlli, 2012, Alytes, 28: 147.
Louisiana Waterdog (Necturus louisanensis: Viosca, 1949, Pop. Sci. Bull., Louisiana Acad. Sci., 1: 9).
Red River Waterdog (Necturus maculosus louisianensis: Schmidt, 1953, Check List N. Am. Amph. Rept., Ed. 6: 13; Conant, Cagle, Goin, Lowe, Neill, Netting, Schmidt, Shaw, Stebbins, and Bogert, 1956, Copeia, 1956: 175).
Red River Mudpuppy (Necturus maculosus louisianensis: Collins, Huheey, Knight, and Smith, 1978, Herpetol. Circ., 7: 7; Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 34; Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 34; Collins, 1997, Herpetol. Circ., 25: 8; Crother, Boundy, Campbell, de Queiroz, Frost, Highton, Iverson, Meylan, Reeder, Seidel, Sites, Taggart, Tilley, and Wake, 2001 "2000", Herpetol. Circ., 29: 25; Tilley, Highton, and Wake, 2012, in Crother (ed.), Herpetol. Circ., 39: 19; Tilley, Highton, and Wake, 2012, in Crother (ed.), Herpetol. Circ., 39: 28).
East-central Kansas to extreme southern Missouri, eastern Oklahoma and Arkansas east to the Mississippi and south into north-central Louisiana, USA.
See Guttman, Weigt, Moler, Ashton, Mansell, and Peavy, 1990, J. Herpetol., 24: 163-175, for geographic variation in allozymes. Removed from the synonymy of Necturus maculosus, where it had been placed by Schmidt, 1953, Check List N. Am. Amph. Rept., Ed. 6: 13, by Collins, 1991, Herpetol. Rev., 22: 43, who considered the two subspecies to be different species on the basis of their allopatry and diagnosability. See comments under Necturus maculosus for relevant literature. Raffaëlli, 2013, Urodeles du Monde, 2nd ed.: 220, provided a brief account, photograph, and map.
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