Chthonerpeton Peters, 1880
Chthonerpeton Peters, 1880 "1879", Monatsber. Preuss. Akad. Wiss. Berlin, 1879: 930. Type species: Siphonops indistinctus Reinhardt and Lütken, 1862 "1861", by monotypy.
Peters' Caecilians (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 26).
Southern Brazil, Uruguay, and adjacent Argentina; Amazonian Ecuador; presumably in adjacent Paraguay.
Nussbaum, 1986, Rev. Suisse Zool., 93: 371-373, delimited two species groups. Wilkinson and Nussbaum, 2006, In Exbrayat (ed.), Reprod. Biol. Phylog. Gymnophiona: 39-78 [48, 70], diagnosed the taxon, suggested that the monophyly of this taxon remains undocumented, and noted that a number of species remain to be described.
Contained taxa (9 sp.):
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