†family Peirosauridae Gasparini 1982 (crocodilian)
Parent taxon: Notosuchia according to D. Pol et al. 2012
Sister taxa: Adamantinasuchus, Candidodon, Candidodontidae, Comahuesuchidae, Coringasuchus, Doratodon, Eremosuchus, Labidiosuchus, Morrinhosuchus, Pakasuchus, Peirosaurimorpha, Sphagesauridae, Uruguaysuchidae, Yacarerani, Ziphosuchia
Subtaxa: Gasparinisuchus, Hamadasuchus, Lomasuchinae, Lomasuchus, Mahajangasuchus, Montealtosuchus, Peirosaurus, Pepesuchus, Stolokrosuchus, Uberabasuchus
Ecology: carnivore