†unranked clade Younginiformes Romer 1933 (diapsid)
Parent taxon: Neodiapsida according to C. Bickelmann et al. 2009
See also Benton 1985, Currie 1982, Gauthier et al. 1989, Haughton and Brink 1954, Laurin 1991 and Laurin and Reisz 1995
Sister taxa: Acallosuchus, Claudiosauridae, Euryapsida, Galesphyridae, Galesphyrus, Lacertulus, Orovenator, Palaeagama, Sauria, Sauria, Saurosternon, Weigeltisauridae
Subtaxa: Acerosodontosaurus Younginoidea
Ecology: planktonic suspension feeder
Distribution:
• Triassic of Kenya (1 collection), Madagascar (1)
• Permian of Madagascar (1), South Africa (9), Tanzania (1)
Total: 13 collections including 21 occurrences