Cyclocarya brownii, Juglandaceae fruit, 26 mm on 8 cm matrix, Paleocene, Sentinal Butte Formation, Morton County, N Dakota, USA photo

Hajar | all galleries >> Palaeogalleries >> A Brief History of Plants >> Angiosperms of the Cenophytic > Cyclocarya brownii, Juglandaceae fruit, 26 mm on 8 cm matrix, Paleocene, Sentinal Butte Formation, Morton County, N Dakota, USA

See: http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.453.7168&rep=rep1&type=pdf

"Cyclocarya fruits are small nutlets surrounded by a prominent circular wing, and are thought to have been wind- or water-dispersed."

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