Abstract

Here I provide critical notes on a multiauthored paper purported to show the absence of a major gap in the Upper Pennsylvanian stratigraphic succession in North America (and, by inference, in northern Western Europe). It is observed that intellectually satisfying explanations for the discontinuities in the North American successions, having recourse to climate-driven alterations, do not take into account that the more continuous succession in northwestern Spain only shows gradual changes in floral composition. Inaccuracies in the use of scientific literature are pointed out.

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