Angiospermae - Trochodendrales
Parent taxon: Eudicots according to The Angiosperm Phylogeny Group 2016
See also Jud 2011 and Mabberley 2000
Sister taxa: Buxales, Coreeudicots, Ericales, Gunnerales, Javelinoxylon, Noferinia, Proteales, Ranunculales, Republica, Solanales, Tolmania, Violales
Subtaxa: Tetracentronites Trochodendraceae
Ecology: "photoautotroph"
Distribution:
• Miocene of Azerbaijan (1 collection), Japan (1)
• Eocene of Canada (2: British Columbia), China (4), the United Kingdom (1), United States (2: Washington)
• Clarkforkian of United States (1: North Dakota)
• Paleocene of Canada (1: Alberta), China (1), Norway (1), United States (24: Colorado, Montana, North Dakota, Wyoming)
• Cretaceous of United States (17: California, North Dakota, South Dakota)
Total: 56 collections including 64 occurrences