Superfamily Amblycephalidiformia (snake)
Parent taxon: Ophidia according to O. Kuhn 1946
Sister taxa: Angiostomata, Asinea, Boaeformia, Colubriformia, Coniophidae, Haasiophis, Najash, Norisophis, Psammophidae, Sanajeh, Seismophis, Serpentes, Simoliophiidae, Solenoglypha, Tortricina
Subtaxa: Amblycephalidae
Ecology:
Distribution: there are no occurrences of Amblycephalidiformia in the database