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M. 2008. Assessing confidence intervals for stratigraphic ranges of higher taxa: The case of Lissamphibia. Acta Palaeontologica Polonica 53 (3): 413-432. To evaluate stratigraphic evidence for the time of origin of the clade of extant amphibians (Lissamphibia), we attempt to establish a confidence interval on the lower bound of the stratigraphic range of this clade. This is based on the strati− graphic distribution of 1207 fossiliferous localities that have yielded lissamphibians, the relativedoi:10.4202/app.2008.0305 fatcat:clcbb2yetndabj7dogzr4thtla