Triturus hypoxanthus Rafinesque, 1820, Ann. Nat., Lexington, 1: 4. Type(s): Not designated or known to exist. Type locality: "Kentucky", USA. Considered a nomen dubium by Gray, 1850, Cat. Spec. Amph. Coll. Brit. Mus., Batr. Grad.: 50. Tentative synonymy with Pseudotriton montanus by Dunn, 1926, Salamanders Fam. Plethodontidae: 286. Assigned to this synonymy on the basis of geography (DRF).
Pseudotriton montanus diastictus Bishop, 1941, Occas. Pap. Mus. Zool. Univ. Michigan, 451: 14. Holotype: MCZ 25797, by original designation. Type locality: "Cascade Caverns, Carter County, Kentucky", USA.
Pseudotriton diastictus — Collins, 1991, Herpetol. Rev., 22: 43.
Central Red Salamander (Bishop, 1943, Handb. Salamanders: 386).
Midland Mud Salamander (Pseudotriton montanus diastictus: Schmidt, 1953, Check List N. Am. Amph. Rept., Ed. 6: 48; Conant, Cagle, Goin, Lowe, Neill, Netting, Schmidt, Shaw, Stebbins, and Bogert, 1956, Copeia, 1956: 175; Conant, 1975, Field Guide Rept. Amph. E. Cent. N. Am., Ed. 2: 286; Collins, Huheey, Knight, and Smith, 1978, Herpetol. Circ., 7: 8; Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 34; Collins, 1997, Herpetol. Circ., 25: 9; Tilley, Highton, and Wake, 2012, in Crother (ed.), Herpetol. Circ., 39: 22; Pseudotriton diastictus: Collins and Taggart, 2009, Standard Common Curr. Sci. Names N. Am. Amph. Turtles Rept. Crocodil., ed. 6: 15; Tilley, Highton, and Wake, 2012, in Crother (ed.), Herpetol. Circ., 39: 31).
Southern Ohio, and southwestern West Virginia south through Kentucky, central and eastern Tennessee, and Virginia west of the Eastern Continental (Appalachian) Divide to extreme northern Georgia.
Recognized as a distinct species by Collins, 1991, Herpetol. Rev., 22: 43, because of its allopatry and consistent diagnosability from Pseudotriton montanus. See comments under Pseudotriton montanus.
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