Parent taxon: Cupressaceae according to J. W. Zhang and Z. K. Zhou 2015
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, Sequoioxylon, Taiwanioideae, Taxodioideae, Taxodioxylon, Tetraclinoxylon, Thuites, Thujadendron, Thujatostrobus
Subtaxa: Metasequoia Sequoia Sequoiadendron
Type: Sequoia
Distribution:
• Pliocene of Germany (7 collections), Japan (2), United States (1: Nevada)
• Miocene to Pliocene of France (1), Japan (5)
• Miocene to Oligocene of United States (1: Montana)
• Miocene of Azerbaijan (1), Chile (3), China (4), Germany (72), Japan (17), Poland (2), the Russian Federation (4), United States (21: California, Idaho, Montana, Nebraska, Nevada, Washington)
• Oligocene to Miocene of Germany (1), United States (2: Montana)
• Oligocene to Eocene of United States (1: Oregon)
• Oligocene of Azerbaijan (1), Canada (1: British Columbia), Germany (20), the Russian Federation (9), the United Kingdom (1), United States (9: Idaho, Montana, Oregon)
• Eocene to Oligocene of United States (4: Colorado)
• Eocene of Canada (4: British Columbia, Nunavut), China (6), Japan (14), the United Kingdom (11), United States (52: Alaska, Colorado, Idaho, North Dakota, Washington, Wyoming)
• Clarkforkian of United States (36: North Dakota, Wyoming)
• Paleocene to Eocene of Canada (1: Nunavut)
• Tertiary of Japan (1)
• Paleocene of Canada (4: Alberta, Saskatchewan), China (2), Faroe Islands (1), the United Kingdom (2), United States (51: Colorado, Montana, North Dakota, Wyoming)
• Cretaceous of Canada (18: Alberta, British Columbia), Japan (1), Portugal (1), the Russian Federation (9), the United Kingdom (1), United States (63: California, Georgia, Kansas, Montana, New Mexico, North Dakota, South Carolina, South Dakota, Utah, Wyoming)
• Jurassic of China (3), France (1), United States (1: Utah)
Total: 473 collections including 534 occurrences