Alternative spellings: Dicotyledonae, Dicotyledones, Dicotyledones
Parent taxon: Angiospermae according to K. Ozaki 1974
See also Chandler 1961, Chandler 1962, Chandler 1978, Christophel 1976, Hickey 1977, Jin 2009, Jud 2011, Knowlton 1919, Knowlton 1926, Mabberley 2000, MacGinitie 1941, Shoshani et al. 1989 and Sims 2003
Sister taxa: Aachenoxylon, Acer florigerum, Aceriphyllum, Achaenites, Actinidiophyllum, Aesculiphyllum, Afropollis, Amborellales, Ameghinoites, Ancoraecarpon, Anthites, Appomatoxia, Araliophyllum, Araliphyllum, Archaefructaceae, Aulacoxylon, Austrobaileyales, Berendtia, Bresciphyllum, Cantia, Carolites, Carpantholithes, Carpiniphyllum, Carpolithus, Cedrelospermites, Chondrophyton, Cinnamomiphyllum, Complexiopollis, Coronicutis, Corylocarpinus, Costicutis, Cucubalites, Dejaxpollenites, Dieune, Dodonaeaecarpum, Eorhiza, Ettingshausenia, Euanthus, Evodioxylon, Finiversicutis, Flabellicula, Globocarpon, Glossocarpellites, Hamamelidoxylon, Hesperidophyllum, Intuticutis, Involucrum, Jordania, Juglandiphyllum, Lagenella, Lagenoidea, Lamids, Lappacarpus, Lausaticutis, Leyrida, Limnophyllum, Magnoliids, Mastixiaceae, Mesangiosperms, Monocarpellites, Monocotyledoneae, Montsechia, Montsechites, Morophyllum, Mulleroxylon, Naiadaceae, Nymphaeales, Ochthodocaryon, Oculopollis, Ornoxylon, Palackya, Pandanophyllum, Papillopollis, Paraalnipollenites, Pataloxylon, Phyllodermium, Pilicoronicutis, Pilisolicutis, Plantaginopsis, Platycoila, Pleiacron, Plicapollis, Proteophyllum, Proteopsis, Protorchis, Pseudoplicapollis, Qingganninginfructus, Retimonocolpites, Rhamnophyllum, Rhoedales, Rhoophyllum, Riboidoxylon, Rohlfsia, Ronzocarpon, Rosenkrantzia, Rosids, Rottia, Sabulia, Sahnipushpam, Salicinoxylon, Salicites, Sassendorfites, Saxonicutis, Schafhautlia, Sendelia, Sezannia, Silicophyllum, Sjogrenia, Staphidoides, Statzia, Staubia, Stephanoxylon, Suevioxylon, Symphorocarpophyllum, Ternstroemioxylon, Tetracolpites, Tetrapollis, Tetraporopollenites, Thuringicutis, Triphyllum, Triplicarpus, Trudopollis, Tubericutis, Virgaticutis, Wessexia, Woburnia, Xulinosprionites, Yubaria
Subtaxa: 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 Urticales Wingospermocarpon