Parent taxon: Cupressaceae according to P. Gadek et al. 2000
See also Ahuja and Neale 2002
Sister taxa: Athrotaxidoideae, Austrohamia, Bungarbia, Callitroideae, Calocedrus, Calycocarpus, Chamaecyparioxylon, Cunninghamioideae, Cupressaceoovulites, Cupressinites, Cupressistrobus, Cupressoideae, Cupressospermum, Ditaxocladus, Drumhellera, Heterocladiscos, Heyderia, Juniperoxylon, Mesocyparis, Metacupressinoxylon, Monarophyllum, Palaeocallitroxylon, Patagotaxodia, Protocupressinoxylon, Sabina, Sequoioideae, Sequoioxylon, Taiwanioideae, Taxodioxylon, Tetraclinoxylon, Thuites, Thujadendron, Thujatostrobus, Widdringtonia
Subtaxa: Cryptomeria Glyptostrobus Taxodium
Type: Taxodium
Distribution:
• Quaternary of Japan (1 collection), United States (2: Florida, South Carolina), Vietnam (1)
• Pliocene of Germany (7), Japan (2), United States (2: Florida, North Carolina)
• Miocene to Oligocene of United States (1: Montana)
• Miocene to Pliocene of France (1), Germany (1), Japan (4)
• Miocene of Azerbaijan (1), China (3), Denmark (2), Germany (90), Japan (3), Poland (2), the Russian Federation (11), Switzerland (1), United States (13: California, Georgia, Idaho, Montana, Nevada, Virginia, Washington)
• Oligocene to Miocene of Germany (1), United States (1: Montana)
• Oligocene of Azerbaijan (1), Canada (1: British Columbia), Germany (32), the Russian Federation (17), United States (1: Idaho)
• Eocene of Canada (5: British Columbia, Nunavut), China (3), Japan (6), the Russian Federation (1), the United Kingdom (3), United States (110: Alaska, Louisiana, North Dakota, Washington, Wyoming)
• Clarkforkian of United States (45: North Dakota, Wyoming)
• Paleocene to Eocene of United States (1: Wyoming)
• Paleocene of Canada (4: Alberta), China (1), United States (67: Colorado, Montana, New Mexico, North Dakota, South Dakota, Wyoming)
• Tertiary of Japan (1)
• Cretaceous of Canada (8: Alberta, British Columbia), Mongolia (1), the Russian Federation (1), United States (32: Montana, North Dakota, South Dakota, Wyoming)
• Jurassic of China (1)
Total: 492 collections including 602 occurrences