Parent taxon: Dicotyledones according to F. H. Knowlton 1926
See also Hickey 1977, Knowlton 1919, Mabberley 2000 and MacGinitie 1941
Sister taxa: Anisophyllum, Araliopsoides, Asteridae, Campanulales, Campanulatae, Caryophyllidae, Casuarinales, Centrospermae, Chenopodiales, Chitaleypushpum, Chitaloxylon, Contortae, Cremocarpon, Deccanocarpon, Deccanophyllum, Dicotylirhizos, Dicotylophyllum, Dilleniidae, Ebenales, Ericales, Furcula, Hamamelidae, Harrisocarpon, Juglandales, Lauriphyllum, Lecythioxylon, Menispermophyllum, Miconiiphyllum, Mohgaoanthus, Myricales, Myrtales, Myrtiflorae, Oleales, Ordinicutis, Papaverales, Parietales, Platanales, Polemoniales, Polygonales, Primulales, Quadricolpites, Ranales, Raoanthus, Retiacolpites, Rhamnales, Rosidae, Rubiales, Sahnianthus, Sahniocarpon, Salicales, Sarraceniales, Stephanocolpites, Thymeleales, Triorites, Triporocolpatus, Tubiflorae, Umbellales, Umbelliflorae, Wingospermocarpon
Subtaxa: Artocarpaceae Cecropiaceae
Ecology: "photoautotroph"
Distribution: found only at KJ9535 (DMNH 1491) (Cretaceous of North Dakota)