During the 1950s, 1960s and 1970s, pre-Quaternary palynology expanded at a phenomenal rate due largely to the exponential increase in the use of palynomorphs as marker fossils by the oil and gas industry worldwide (Woods 1955; Wilson 1961). Research activity in Quaternary palynology also increased substantially at the same time (Erdtman 1958). Because of the remarkably high numbers of papers on palynomorphs being published then, compared with earlier decades, several palynologists produced catalogues, compilations, indices, stratigraphical syntheses and the like in order to document the increasing numbers of taxa, and aspects such as their geographical and temporal...

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