Dicotyledoneae - Myrtales - Trapaceae
Parent taxon: Myrtales according to D.J. Mabberley 2000
See also Hickey 1977, McIver and Basinger 1993 and Taylor et al. 2008
Sister taxa: Alzateaceae, Combretaceae, Crypteroniaceae, Haloragidaceae, Heterocolpites, Hydrocaryaceae, Lythraceae, Melastomataceae, Myrtaceae, Myrtaceidites, Oliniaceae, Onagraceae, Penaeaceae, Punicaceae, Rhynchocalycaceae, Sonneratiaceae, Vochysiaceae
Subtaxa: Hemitrapa Prototrapa Trapa
Ecology: "photoautotroph"
Distribution:
• Quaternary of China (2 collections), India (5), Japan (1)
• Pliocene to Pleistocene of China (1)
• Pliocene of China (1), Germany (2), the Russian Federation (1)
• Miocene to Pliocene of France (1), Japan (1), Uganda (1)
• Miocene of China (4), Germany (19), the Russian Federation (12)
• Oligocene to Miocene of Germany (1)
• Oligocene of the Russian Federation (2)
• Eocene of China (2)
• Clarkforkian of United States (1: North Dakota)
• Paleogene of India (1)
• Tertiary of Japan (1), the Russian Federation (1)
• Paleocene of China (1), United States (10: Montana, North Dakota, Wyoming)
• Cretaceous of Canada (1: Alberta), United States (6: Wyoming)
Total: 78 collections including 89 occurrences