Parent taxon: Eudicots according to V. S. Perez Loinaze et al. 2023
See also Mabberley 2000, The Angiosperm Phylogeny Group 2009, The Angiosperm Phylogeny Group 2016, Vallati et al. 2020 and Vera et al. 2022
Sister taxa: Coreeudicots, Cretaceoxylon, Ericales, Gunnerales, Javelinoxylon, Noferinia, Proteales, Ranunculales, Republica, Solanales, Tolmania, Trochodendrales, Violales, Wodehouseia
Subtaxa: Buttinia Buxaceae Didymelaceae Polypodiidites Spanomera Tuberculatosporites
Ecology: "photoautotroph"
Distribution:
• Quaternary of Australia (1 collection), India (6)
• Villafranchian of Slovakia (1)
• Pliocene of China (1), Portugal (3)
• Miocene to Pliocene of Japan (2)
• Miocene of Argentina (3), Azerbaijan (1), China (2), India (1), Japan (2), Poland (2)
• Oligocene to Miocene of Argentina (1), Australia (2)
• Oligocene of Argentina (1), Australia (1), Germany (1)
• Eocene of Argentina (6), Australia (1), Canada (1: British Columbia), Venezuela (50)
• Paleocene of Argentina (8), Canada (1: Manitoba), United States (5: Alaska, North Dakota), Venezuela (4)
• Cretaceous of Antarctica (1), Argentina (42), Brazil (44), Canada (4: Alberta), Nigeria (24), Romania (1), South Sudan (4), United States (21: Alaska, Maryland, Montana, North Dakota)
• Triassic of Antarctica (1)
• Permian of United States (1: Oklahoma)
• Carboniferous of United States (11: Illinois, Indiana, Missouri, Ohio, Oklahoma)
Total: 261 collections including 284 occurrences