| Trochodendron nastae Temporal range: Ypresian
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| Trochodendron nastae specimen | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Trochodendrales |
| Family: | Trochodendraceae |
| Genus: | Trochodendron |
| Species: | †T. nastae
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| Binomial name | |
| †Trochodendron nastae Pigg, Wehr, & Ickert-Bond, 2001
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Trochodendron nastae is an extinct species of flowering plant in the family Trochodendraceae known from fossil leaves found in the early Eocene Ypresian stage Klondike Mountain Formation deposits of northern Washington state. T. nastae is one of the oldest members of the genus Trochodendron, which includes the living species T. aralioides, native to Japan, southern Korea and Taiwan[1] and the coeval extinct species T. drachukii from the McAbee Fossil Beds near Cache Creek, British Columbia.[2]
- ^ Cite error: The named reference
Pigg2001was invoked but never defined (see the help page). - ^ Pigg, K.B.; Dillhoff, R.M.; DeVore, M.L.; Wehr, W.C. (2007). "New diversity among the Trochodendraceae from the Early/Middle Eocene Okanogan Highlands of British Columbia, Canada, and Northeastern Washington State, United States". International Journal of Plant Sciences. 168 (4): 521–532. doi:10.1086/512104. S2CID 86524324.