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Fig. 10 | Swiss Journal of Palaeontology

Fig. 10

From: A basal phiomorph (Rodentia, Hystricognathi) from the late Eocene of the Fayum Depression, Egypt

Fig. 10

Phylogenetic analysis of living and extinct hystricognathous rodents, based on 118 morphological characters, largely from the dentition. a Strict consensus of four equally parsimonious trees recovered by analysis with some multistate characters ordered but not scaled; tree length = 887; consistency index excluding uninformative characters = 0.3007; retention index = 0.5768; rescaled consistency index = 0.1775. b Strict consensus of eight equally parsimonious trees recovered by analysis with some multistate characters ordered and scaled, and transitions from “fixed” to adjacent polymorphisms in ordered multistates weighted as 0.5 (weight set 1); tree length = 574.5; consistency index excluding uninformative characters = 0.3245; retention index = 0.5765; rescaled consistency index = 0.1932. c Adams consensus of two equally parsimonious trees recovered by analysis with some multistate characters ordered and scaled, maximum number of steps in a multistate ordered character equal to one (weight set 2); branches with dotted lines break down in the strict consensus tree; tree length = 371.250; consistency index excluding uninformative characters = 0.3434; retention index = 0.5927; rescaled consistency index = 0.2103. On all trees, numbers above or below branches are bootstrap support values based on 1,000 pseudoreplicates. Biogeographic histories are based on parsimony optimizations of an unordered biogeographic character with four states (Asia, Afro-Arabia, South America, Mallorca) onto the strict consensus (a, b) and Adams consensus (c) trees

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