Caeciliidae Rafinesque, 1814
Chthonerpeton arii Cascon & Lima-Verde, 1994
Chthonerpeton braestrupi Taylor, 1968
Chthonerpeton exile Nussbaum & Wilkinson, 1987
Chthonerpeton indistinctum (Reinhardt & Lütken, 1862)
Chthonerpeton noctinectes Silva, Britto-Pereira & Caramaschi, 2003
Chthonerpeton onorei Nussbaum, 1986
Chthonerpeton perissodus Nussbaum & Wilkinson, 1987
Chthonerpeton viviparum Parker & Wettstein, 1929
