PaleoDB taxon number: 72098
Full reference: J. D. Scanlon. 2005. Australia's oldest known snakes: Patagoniophis, Alamitophis, and Cf. Madtsoia (Squamata: Madtsoiidae) from the Eocene of Queensland. Memoirs of the Queensland Museum 51(1):215-235
Sister taxon: Patagoniophis parvus
Type specimen: QMF 19710 (mid-trunk vertebra). Its type locality is Tingamarra Local Fauna - Boat Mountain deposit, which is in a Ypresian lacustrine claystone/sandstone in Australia.