Farabee, M. J.; Canright, J. E. (1986). Stratigraphic palynology of the lower part of the Lance Formation (Maestrichtian) of Wyoming. Palaeontographica. B 199(1-3): 1-89.
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Farabee, M. J.; Canright, J. E.
1986
Stratigraphic palynology of the lower part of the Lance Formation (Maestrichtian) of Wyoming