†Gigantophis Andrews 1901 (snake)
Reptilia - Ophidia - Madtsoiidae
Parent taxon: Madtsoiidae according to D. M. Mohabey et al. 2011
Sister taxa: Alamitophis, Herensugea, Madtsoia, Menarana, Nanowana, Patagoniophis, Rionegrophis, Sanajeh, Wonambi, Yurlunggur
Subtaxa: Gigantophis garstini
Ecology: