Congruence between phylogenetic and stratigraphic data on the history of life

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Abstract
The quality of the fossil record and the accuracy of reconstructed phylogenies have been debated recently, and doubt has been cast on how far current knowledge actually reflects what happened in the past. A survey of 384 published cladograms of a variety of animals (echinoderms, fishes, tetrapods) shows that there is good agreement between phylogenetic (character) data and stratigraphic (age) data, based on a variety of comparative metrics. This congruence of conclusions from two essentially independent sources of data confirms that the majority of cladograms are broadly accurate and that the fossil record, incomplete as it is, gives a reasonably faithful documentation of the sequence of occurrence of organisms through time.