Alethinophidia
Los Alethinophidia son un infraòrdre de sèrps.

N.B. : la sistematica dels reptils e squamates es en plena mutacion, las classificacions prepausadas pòdon diferir segon las fonts e los moments.

Las familhas segon ITIS 

 familha Acrochordidae Bonaparte, 1831
 familha Aniliidae Stejneger, 1907
 familha Anomochilidae Cundall, Wallach e Rossman, 1993
 familha Atractaspididae Günther, 1858
 familha Boidae Gray, 1825
 familha Bolyeriidae Hoffstetter, 1946
 familha Colubridae Oppel, 1811
 familha Cylindrophiidae Fitzinger, 1843
 familha Elapidae F. Boie, 1827
 familha Loxocemidae Cope, 1861
 familha Pythonidae Fitzinger, 1826
 familha Tropidophiidae Brongersma, 1951
 familha Uropeltidae Müller, 1832
 familha Viperidae Oppel, 1811
 familha Xenopeltidae Bonaparte, 1845

A las qualas ADW e NCBI apondon :
 Hydrophiidae Smith, 1926 (Pas reconegut per ITIS que plaça aqueles genres dins Elapidae, reconegut per www.tigr.org mas coma la sosfamilha Hydrophiinae)

Vision filogenetica 

Alethinophidia	
 Uropeltidae
 Tropidophiidae
 Macrostomata
 Pythonidae
 Boidae
 Ungaliophiidae
 Caenophidia
 Acrochordidae
 Colubroides
 Xenodermatidae
 Colubriformes
 Pareatidae
 Endoglyptodonta
 Viperidae
 Homalopsidae
 Elapoidea
 Psammophiidae
 Elapidae
 Atractaspididae
 Lamprophiidae
 Colubroidea
 Calamariidae
 Colubridae
 Pseudoxenodontidae
 Natricidae
 Dipsadidae

Referéncia 

 Lee, Michael S. Y.; Andrew F. Hugall, Robin Lawson & John D. Scanlon. "Phylogeny of snakes (Serpentes): combining morphological and molecular data in likelihood, Bayesian and parsimony analyses". Systematics and Biodiversity 5 (4): 371–389.
 Zaher, Grazziotin, Cadle, Murphy, de Moura-Leite & Bonatto, 2009 : Molecular phylogeny of advanced snakes (Serpentes, Caenophidia) with an emphasis on South American Xenodontines: a revised classification and descriptions of new taxa Papéis Avulsos de Zoologia (São Paulo) 49-11 Tèxte original
 Lista de las familhas vision novèla

Ligams extèrnes 
 
 

Sèrp
Squamata (nom scientific)