Angiospermae - Buxales - Buxaceae
Synonym: Haptanthaceae Nelson 2002
Parent taxon: Buxales according to E. I. Vera et al. 2022
See also Huang et al. 2018, Mabberley 2000, Ozaki 1974, Taylor et al. 2008 and The Angiosperm Phylogeny Group 2016
Sister taxa: Buttinia, Didymelaceae, Polypodiidites, Spanomera, Tuberculatosporites
Subtaxa: Buxus Erdtmanipollis Sarcococca
Ecology: "photoautotroph"
Distribution:
• Quaternary of India (6 collections)
• Villafranchian of Slovakia (1)
• Pliocene of China (1), Portugal (3)
• Miocene to Pliocene of Japan (2)
• Miocene of Azerbaijan (1), China (2), Japan (2), Poland (2)
• Oligocene of Germany (1)
• Eocene of Canada (1: British Columbia)
• Paleocene of Canada (1: Manitoba), United States (5: Alaska, North Dakota)
• Cretaceous of Canada (4: Alberta), United States (19: Alaska, Montana, North Dakota)
Total: 51 collections including 54 occurrences