Parent taxon: Eudicots according to N. A. Jud 2011
See also Mabberley 2000
Sister taxa: Buxales, Coreeudicots, Ericales, Gunnerales, Javelinoxylon, Noferinia, Proteales, Ranunculales, Republica, Solanales, Tolmania, Trochodendrales
Subtaxa: Echinocarpeopsis Elaeocarpeopsis Exechinocarpus Flacourtiaceae Hoplestigmataceae Malesherbiaceae Plagiopteraceae Scyphostegiaceae Turneraceae
Ecology: "photoautotroph"
Distribution:
• Quaternary of Tanzania (1 collection)
• Miocene to Pliocene of India (2), Nepal (1)
• Miocene of Bhutan (1), China (1), India (2), Nepal (2)
• Eocene of Germany (3), Japan (2), the United Kingdom (6), United States (5: Wyoming)
• Paleogene of India (2)
• Paleocene of Argentina (3), Belgium (1), the Netherlands (2), the United Kingdom (1), United States (4: North Dakota)
• Cretaceous of United States (3: North Dakota)
Total: 42 collections including 58 occurrences