Parent taxon: Cupressaceae according to P. Gadek et al. 2000
Sister taxa: Athrotaxidoideae, Austrohamia, Bungarbia, Callitroideae, Calocedrus, Calycocarpus, Chamaecyparioxylon, Cunninghamioideae, Cupressaceoovulites, Cupressinites, Cupressistrobus, Cupressospermum, Ditaxocladus, Drumhellera, Heterocladiscos, Heyderia, Juniperoxylon, Mesocyparis, Metacupressinoxylon, Monarophyllum, Palaeocallitroxylon, Patagotaxodia, Protocupressinoxylon, Sabina, Sequoioideae, Sequoioxylon, Taiwanioideae, Taxodioideae, Taxodioxylon, Tetraclinoxylon, Thuites, Thujadendron, Thujatostrobus, Widdringtonia
Subtaxa: Chamaecyparis Cupressus Fokienia Juniperus Thuja Thujopsis
Distribution:
• Quaternary of India (9 collections), Japan (1), Tanzania (3), the United Kingdom (1), United States (3: California, Michigan, Virginia)
• Pliocene to Pleistocene of the Congo-Kinshasa (1), Tanzania (1)
• Pliocene of China (1), Germany (3), United States (2: Nevada, North Carolina)
• Miocene to Pliocene of Germany (1), Japan (2)
• Miocene to Oligocene of United States (1: Montana)
• Miocene of China (3), Germany (7), Japan (5), Poland (1), Saudi Arabia (1), United States (20: California, Idaho, Montana, Nebraska, Nevada)
• Oligocene to Miocene of United States (2: Montana)
• Oligocene of United States (1: Idaho)
• Eocene to Oligocene of United States (4: Colorado)
• Eocene of Canada (3: British Columbia, Nunavut), China (2), United States (2: Colorado, Idaho)
• Paleocene of Canada (1: Alberta), China (1), United States (11: Colorado, Montana, North Dakota, Wyoming)
• Cretaceous of Canada (1: British Columbia)
• Jurassic of Ukraine (2)
Total: 96 collections including 126 occurrences