Dicotyledoneae - Hamamelidae - Hamamelidae
Parent taxon: Dicotyledonae according to D.J. Mabberley 2000
See also McIver and Basinger 1993 and McLoughlin et al. 1995
Sister taxa: Anisophyllum, Araliopsoides, Asteridae, Campanulales, Campanulatae, Caryophyllidae, Casuarinales, Centrospermae, Chenopodiales, Chitaleypushpum, Chitaloxylon, Contortae, Cremocarpon, Deccanocarpon, Deccanophyllum, Dicotylirhizos, Dicotylophyllum, Dilleniidae, Ebenales, Ericales, Furcula, 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, Urticales, Wingospermocarpon
Subtaxa: Eucommiales Hamamelidales
Ecology: "photoautotroph"