Order Gymnophiona Rafinesque 1814 (caecilian)
Parent taxon: Gymnophionomorpha according to B. T. Kligman et al. 2023
See also Carroll 1988, Evans and Sigogneau-Russell 2001, Frank and Ramus 1996, Frost et al. 2006, Gardner 2001, Gauthier et al. 1989, Hecht and LaDuke 1997, Huene 1954, Jaekel 1911, Maddin et al. 2012, McGowan and Evans 1995, Meyer and Zardoya 2003 and Zardoya and Meyer 2001
Sister taxa: Eocaecilia, Funcusvermis, Rubricacaecilia
Subtaxa: Apoda Caeciliaidae Eocaeciliaidae Uraeotyphlidae
Ecology: amphibious carnivore