Bolitoglossa chondrostega Taylor, 1941, Univ. Kansas Sci. Bull., 27: 113. Holotype: EHT-HMS 17304, by original designation; now FMNH 100076 according to Marx, 1976, Fieldiana, Zool., 69: 36. Type locality: "Durango, Hidalgo, 5,000 to 6,000 feet elevation", Mexico.
Chiropterotriton chondrostega — Taylor, 1944, Univ. Kansas Sci. Bull., 30: 216. Darda, 1994, Herpetologica, 50: 167-184.
Chiropterotriton chondrostega chondrostega — Rabb, 1958, Occas. Pap. Mus. Zool. Univ. Michigan, 587: 23.
Gristle-headed Splayfoot Salamander (Liner, 1994, Herpetol. Circ., 23: 11; Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 30).
Gristle-headed Salamander (Liner and Casas-Andreu, 2008, Herpetol. Circ., 38: 30).
Northwestern Hidalgo and adjacent Queretaro, Mexico, in cloud forest, 2000-2300 m elevation; also reported in the state of México in the municpality of Santiago Tianguistenco.
See brief account by Rabb, 1958, Occas. Pap. Mus. Zool. Univ. Michigan, 587: 23-28. Raffaëlli, 2007, Les Urodèles du Monde: 227, provided a brief account 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: 567. López-Garduño and Rodríguez-Romera, 2012, Herpetol. Rev., 43: 297, provided a range extension to the state of Mexico.
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