Le pagina non ha essite verificate
Leptotyphlopidae Stejneger 1892
Gerrhopilidae Vidal et al. 2010
Xenotyphlopidae Vidal et al. 2010
Typhlopidae Merrem 1820
Anomalepididae
Aniliidae
Tropidophiidae Brongersma 1951
Uropeltidae
Anomochilidae
Cylindrophiidae
Xenopeltidae Bonaparte 1845
Loxocemidae
Pythonidae Fitzinger 1826
Boidae
Xenophidiidae
Bolyeriidae Hoffstetter 1946
Acrochordidae Bonaparte 1831
Xenodermidae
Pareidae
Viperidae
Homalopsidae
Colubridae
Lamprophiidae
Elapidae