|A new species of Palaeocarpinus (Betulaceae: Coryloideae), an extinct genus with some features of the extant Corylus (hazelnut, filbert) and others similar to the extant Carpinus (hop hornbeam) is described from Almont. A whole plant reconstruction, including details of pistillate and pollen catkins, nutlet structure, pollen and associated leaves is presented.|
Manchester, S. R., K. B. Pigg, and P. R. Crane. 2004. Palaeocarpinus dakotaensis sp. nov. (Betulaceae: Coryloideae) and associated staminate catkins, pollen and leaves from the Paleocene of North Dakota. International Journal of Plant Sciences 165: 1135-1148.
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