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The influence of body size and net diversification rate on molecular evolution during the radiation of animal phyla

Fontanillas, Eric; Welch, John J.; Thomas, Jessica; Bromham, Lindell


BACKGROUND: Molecular clock dates, which place the origin of animal phyla deep in the Precambrian, have been used to reject the hypothesis of a rapid evolutionary radiation of animal phyla supported by the fossil record. One possible explanation of the discrepancy is the potential for fast substitution rates early in the metazoan radiation. However, concerted rate variation, occurring simultaneously in multiple lineages, cannot be detected by "clock tests", and so another way to explore such...[Show more]

CollectionsANU Research Publications
Date published: 2007-06-26
Type: Journal article
Source: BMC Evolutionary Biology
DOI: 10.1186/1471-2148-7-95


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