‘Instead of finding the gradual unfolding of life, what geologists of Darwin’ time, and geologists of the present day actually find is a highly uneven or jerky record; that is, species appear in the sequence very suddenly, show little or no change during their existence in the record, then abruptly go out of the record. And it is not always clear, in fact it’s rarely clear, that the descendants were actually better adapted than their predecessors. In other words biological improvement is hard to find.’

Dr David Raup (Curator, Field Museum of Natural History, Chicago), ‘Conflicts between Darwin and paleontology’. Field Museum of Natural History Bulletin, vol. 50 (1), 1979, pp.22-29.


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