Parent taxon: Magnoliidae according to R. R. Pujana et al. 2018
See also Taylor et al. 2008, Upchurch et al. 1994 and Upchurch and Dilcher 1990
Sister taxa: Cronquistiflora, Detrusandra, Reynoldsiophyllum, Archaeanthus, Longstrethia, Didromophyllum, Acritodromum
Subtaxa: Atherospermataceae Calycanthaceae Crassidenticulum Densinervum Gomortegaceae Hernandiaceae Landonia Lauraceae Laurelites Monimiaceae Olmosoxylon Pabiania Pandemophyllum Siparunaceae Tetrantheroidea Timothyia
Ecology: "photoautotroph"
Distribution:
• Quaternary of Argentina (3 collections), Australia (8), China (2), France (1), India (5), Japan (2), Laos (1), Trinidad and Tobago (1), United States (1: Florida), Vietnam (1)
• Pliocene to Pleistocene of India (2)
• Pliocene of China (5), Germany (4), United States (1: California)
• Hemphillian of United States (1: California)
• Miocene to Oligocene of United States (1: Montana)
• Miocene to Pleistocene of Brazil (1)
• Miocene to Pliocene of Colombia (1), India (7), Japan (4), Mexico (1), Nepal (1), Trinidad and Tobago (2)
• Miocene of Argentina (5), Australia (1), Brazil (1), Chile (2), China (9), Colombia (3), Costa Rica (1), Ecuador (2), Germany (31), Haiti (1), India (8), Japan (15), Nepal (2), New Zealand (1), Peru (1), Poland (1), Slovakia (1), Switzerland (11), Taiwan (1), Türkiye (1), United States (13: California, Idaho, Montana, Oregon, Vermont, Washington), Venezuela (4)
• Neogene of China (2), Vietnam (2)
• Oligocene to Miocene of Argentina (2), Australia (1), Germany (1)
• Oligocene to Eocene of United States (1: Oregon)
• Oligocene of Argentina (2), Australia (1), China (1), Czechia (1), Germany (21), India (1), the United Kingdom (1), United States (3: Idaho, Montana, Oregon), Vietnam (1)
• Eocene to Miocene of Argentina (1)
• Eocene to Oligocene of Australia (1), United States (2: Colorado)
• Eocene of Argentina (22), Australia (21), Canada (5: British Columbia), China (9), France (1), Germany (1), India (4), Japan (12), the United Kingdom (13), United States (64: Alaska, California, Colorado, Georgia, Idaho, North Dakota, Oregon, Texas, Washington, Wyoming, Wyoming ), Venezuela (1)
• Paleocene to Eocene of Argentina (1)
• Paleocene of Argentina (5), Colombia (9), France (1), New Zealand (1), the United Kingdom (4), United States (143: Colorado, Montana, New Mexico, North Dakota, Wyoming)
• Paleogene of Chile (1), India (2)
• Tertiary of Japan (2), Venezuela (1)
• Cretaceous to Paleogene of New Zealand (5)
• Cretaceous of Antarctica (7), Argentina (5), Canada (11: Alberta, British Columbia, Saskatchewan), Chile (1), Cuba (2), Czechia (2), Germany (1), Japan (1), Mexico (2), United States (118: California, Colorado, Georgia, Kansas, Maryland, Montana, Nebraska, New Mexico, North Dakota, South Carolina, South Dakota, Virginia, Wyoming)
Total: 694 collections including 1303 occurrences