Alethinophidia
infraorder of reptiles
Domain: Eukaryota • Regnum: Animalia • Phylum: Chordata • Subphylum: Vertebrata • Infraphylum: Gnathostomata • Superclassis: Tetrapoda • Classis: Reptilia • Subclassis: Diapsida • Superordo: Lepidosauria • Ordo: Squamata • Subordo: Serpentes • Infraordo: Alethinophidia Nopcsa, 1923
- English: Advanced snakes
- العربية: ثعابين حقيقية
- català: Aletinofidis
- فارسی: ناکورماریان
- עברית: נחשים
- magyar: Valódi kígyók
- 한국어: 참뱀하목
- latviešu: Īstās čūskas
- македонски: Виши змии
- 中文: 真蛇下目

Wikispecies has an entry on:
- Acrochordidae, Aniliidae, Anomochilidae, Atractaspididae, Boidae, Bolyeriidae, Colubridae, Cylindrophiidae, Elapidae, Loxocemidae, Pythonidae, Tropidophiidae, Uropeltidae, Viperidae, Xenopeltidae
- Note: Plus familiae Atractaspididae, Homalopsidae, Lamprophiidae, Pareatidae, Xenodermatidae not recognized by ITIS and placed here by ReptileDB
15 FamiliaeEdit
- Further familiae
- Aniliidae Stejneger, 1907
- Anomochilidae Cundall, Wallach & Rossman, 1993
- Tropidophiidae Brongersma, 1951