The Great Tribrachiatus Controversy - Jeremy Young at the Natural History Museum puts forward a view on the controversy that had developed surrounding the Palaeogene nannoliths Tribrachiatus and Rhomboaster.
Palaeozoic Microvertebrates - Provides information on the International Working Group on Palaeozoic Microvertebrates, members of which are researching vertebrates as revealed by their tiny scales, teeth and bone fragments extracted from rock samples.
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