George F. Estabrook

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This paper describes a method for quantifying the extent to which a character supports a hypothesized monophyletic group. The basic idea was first proposed by Wilkinson in 1998; hence, we call it Wilkinson support. A character provides Wilkinson support if it could have changed state on the branch leading to the hypothesized monophyletic group without(More)
Two characters are stratigraphically compatible if some phylogenies indicate that their combinations (state-pairs) evolved without homoplasy and in an order consistent with the fossil record. Simulations assuming independent character change indicate that we expect approximately 95% of compatible character pairs to also be stratigraphically compatible over(More)
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