†order Nymphaeales Salisb. 1820
Parent taxon: Magnoliopsida according to N. A. Jud 2011
Sister taxa: Austrobaileyales, Caloda, Carpestella, Celastrophyllum, Ceratophyllales, Dicotylophyllum, Eudicot, Icacinoxylon, Kenella, Magnoliid, Metcalfeoxylon, Paraphyllanthoxylon, Quereuxia, Retiacolpites, Caryophyllidae, Hamamelidae, Dilleniidae, Rosidae, Asteridae, Ebenales, Contortae, Campanulatae, Ranales, Myrtiflorae, Umbelliflorae, Salicales, Parietales, Sterculia, Araliopsoides
Subtaxa: Cabombaceae, Nymphaeaceae