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Journal Article
Published: 01 March 1998
Journal of Paleontology (1998) 72 (2): 388–397.
..., Biorbia, Lithospermum, Eleofimbris, Carex, and Cyperocarpus) in the mid- to late-Miocene are reported. Fewer taxa (12 genera) were found in the South Dakota-northern Nebraska area than have been reported previously (20 genera) from southern Nebraska-Kansas strata in the same formations and approximately...
Journal Article
Published: 01 January 2005
Journal of Paleontology (2005) 79 (1): 185–199.
... of grasslands, and a similar abundance of the borage Biorbia fossilia and the hackberry Celtis willistonii (Cockerell) Berry, 1928b suggests other significant herbaceous and woody components. The occurrence of diatoms, ostracods, charophytes, ricegrass ( Archaeoleersia nebraskensis Thomasson, 1980b...
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