Angiospermae - Icacinales - Icacinaceae
Parent taxon: Icacinales according to The Angiosperm Phylogeny Group 2016
See also Chandler 1961, Chandler 1962, Chandler 1963, Chandler 1964, Mabberley 2000 and Taylor et al. 2008
Sister taxon: Oncothecaceae
Subtaxa: Apodytes Calatoloides Gomphandroxylon Icacinicarya Iodes Mappia Natsiatum Onoana Palaeohosiea Palaeophytocrene Phytocrene Phytocreneae Pyrenacantha Sphaeriodes Stizocarya
Ecology: "photoautotroph"
Distribution:
• Quaternary of Australia (9 collections), India (1)
• Miocene of Kenya (1)
• Oligocene of United States (1: Oregon)
• Eocene of Germany (1), the United Kingdom (14), United States (14: California, Oregon, Virginia, Washington, Wyoming)
• Clarkforkian of United States (1: North Dakota)
• Paleocene to Eocene of Belgium (1)
• Paleocene of France (1), the United Kingdom (2), United States (4: Montana, North Dakota, Wyoming)
• Paleogene of India (1)
• Cretaceous of United States (1: California)
Total: 52 collections including 90 occurrences