†unranked clade Megalancosaurinae Renesto et al. 2010 (diapsid)
Reptilia - Diapsida - Drepanosauridae
Full reference: S. Renesto, J. A. Spielmann, S. G. Lucas and G. T. Spagnoli. 2010. The taxonomy and paleobiology of the Late Triassic (Carnian-Norian: Adamanian-Apachean) drepanosaurs (Diapsida: Archosauromorpha: Drepanosauromorpha). New Mexico Museum of Natural History and Science, Bulletin 46:1-81
Parent taxon: Drepanosauridae according to S. Renesto et al. 2010
Sister taxa: Avicranium, Dolabrosaurus, Kyrgyzsaurus, Skybalonyx, Unguinychus
Subtaxa: Drepanosaurus Megalancosaurus
Ecology:
Distribution:
• Triassic of Italy (5 collections), United States (2: New Mexico)
Total: 7 collections including 9 occurrences