ABSTRACT
The Cretaceous was a crucial time of vegetation change, largely due to the evolutionary and geographic radiation of angiosperms. Throughout the Late Cretaceous angiosperms progressively infi ltrated the pre-existing vegetation, but gymnosperms, ferns, and sphenophytes dominated land-plant biomass until the Cenozoic (Cantrill and Poole, 2002; Spicer et al., 1993).
