Chthonerpeton indistinctum (Reinhardt and Lütken, 1862)

Class: Amphibia > Order: Gymnophiona > Family: Typhlonectidae > Genus: Chthonerpeton > Species: Chthonerpeton indistinctum

Siphonops indistinctus Reinhardt and Lütken, 1862 "1861", Vidensk. Medd. Dansk Naturhist. Foren., Ser. 2, 3: 203. Type(s): ZMUC by original designation; ZMUC R 0235 designated lectotype by Taylor, 1968, Caecilians of the World: 299; ZUMC R 0234, the former cotype, is now the holotype of Chthonerpeton braestrupi. Type locality: "Buenos Ayres", Argentina.

Chthonterpeton indistinctumPeters, 1880 "1879", Monatsber. Preuss. Akad. Wiss. Berlin, 1879: 940.

Chthonerpeton corrugatum Taylor, 1968, Caecilians of the World: 289. Holotype: ZMH A00265 (formerly 1930), according to Wilkinson and Nussbaum, 1988, Herpetol. J., 1: 245. Type locality: see original publication for discussion as well as discussion by Wilkinson and Nussbaum, 1988, Herpetol. J., 1: 245-246, whco suggested that the type locality can be considered "Brazil". Synonymy by Nussbaum and Wilkinson, 1987, Occas. Pap. Mus. Zool. Univ. Michigan, 716: 1.

Chthonerpeton erugatum Taylor, 1968, Caecilians of the World: 295. Holotype: ZMUC 0238, by original designation. Type locality: Unknown; museum records provide "South Brasil" (personal commun., H. Kristensen, 24 Nov. 2010). Synonymy by Nussbaum and Wilkinson, 1987, Occas. Pap. Mus. Zool. Univ. Michigan, 716: 1.

Chthonerpeton hellmichi Taylor, 1968, Caecilians of the World: 305. Holotype: ZSM 1/1964, according to Glaw and Franzen, 2006, Spixiana, München, 29: 156. Type locality: "Punta Lara", on the Río de La Plata coast, Buenos Aires Province, Argentina. ZSM card index gives "Punta Lara, Rio La Plata, Argentina" according to Glaw and Franzen, 2006, Spixiana, München, 29: 156. Provisional synonymy by Nussbaum and Wilkinson, 1987, Occas. Pap. Mus. Zool. Univ. Michigan, 716: 1.

Nectocaecilia fasciata Taylor, 1968, Caecilians of the World: 269. Holotype: MZUT 2817, by original designation. Type locality: "Buenos Aires (state?)", Argentina. Synonymy by Nussbaum and Wilkinson, 1987, Occas. Pap. Mus. Zool. Univ. Michigan, 716: 1-15.

English Names

Argentine Caecilian (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 26).

Distribution

Parana River from southern Paraguay to its mouth in northeastern Argentina and southern Uruguay; coastal Uruguay north to southeastern Brazil in the state of Santa Catarina.

Comment

See account by Gudynas and Williams, 1992, Cat. Am. Amph. Rept., 531: 1-2. In the Chthonerpeton indistinctum group of Nussbaum, 1986, Rev. Suisse Zool., 93: 371-373. Achaval and Olmos, 2003, Anf. Rept. Uruguay, ed. 2: 9, provided a brief account and photograph for Uruguay. Brusquetti and Lavilla, 2006, Cuad. Herpetol., 20: 7, briefly discussed the range in Paraguay.

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