Family Boidae Gray 1825 (boa)
Invalid subtaxa: Erycidae Bonaparte 1825 [invalid subgroup], Erycinae Bonaparte 1825 [invalid subgroup]
Parent taxon: Booidea according to A. M. Albino and A. A. Carlini 2008
Sister taxa: Caenophidia, Conantophis, Ungaliophiidae
Subtaxa: Albaneryx, Boinae, Bransateryx, Cadurceryx, Cadurcoboa, Calamagras, Charina, Cheilophis, Daunophis, Dawsonophis, Eryx, Gaimanophis, Geringophis, Gongylophis, Hechtophis, Huberophis, Lichanura, Lithophis, Morelia, Neurodromicus, Ogmophis, Palaeopython, Paleryx, Plesiotortrix, Pterygoboa, Totlandophis, Tregophis
Ecology: fossorial carnivore