Abstract
The significance of type localities in time-stratigraphic concepts is investigated drawing examples from microfaunally based New Zealand Tertiary Stages. The composite nature of some stage definitions makes it clear that type localities do not hold a central position in the concept of these units, which are by nature homotaxial and rely on simple inductively-based inferences drawn from many sections. Apart from their function as name bearers, type localities are conceded no special importance, and definitions framed solely in terms of them are considered to be inadequate for the working of a homotaxial system.

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