. Bulletin. Natural history; Natuurlijke historie. 108 Peabody Museum Bulletin 45 â 2 to c S. ."> â Q c â¢S 3 to c o â Q to 00. Figure 19. A strict consensus of the four most parsimonious cladograms of length 35 steps prociuced from analysis of char- acter data in Table 14 with PAUP v. (Swofford 1993). The cladogram is constructed using an exhaustive search. The retention index is , and when uninformative characters are excluded the consistency index is The following nodes in the text were supported by the following bootstrap confidence values (see text for bootstrappin
. Bulletin. Natural history; Natuurlijke historie. 108 Peabody Museum Bulletin 45 â 2 to c S. ."> â Q c â¢S 3 to c o â Q to 00. Figure 19. A strict consensus of the four most parsimonious cladograms of length 35 steps prociuced from analysis of char- acter data in Table 14 with PAUP v. (Swofford 1993). The cladogram is constructed using an exhaustive search. The retention index is , and when uninformative characters are excluded the consistency index is The following nodes in the text were supported by the following bootstrap confidence values (see text for bootstrapping procedure used): Node 2 = ; Node 3 = ; Node 4 = ; Node 5 = ; Node 6 - The following branch support values (Bremer 1994) were recovered for the following nodes: Node 2=1; Node 3=1; Node 6=1. Character states are placed at nodes, using MacClade v. (Maddison and Maddison 1992), with the characters given in Table 13. The apomorphic state is given in parentheses. Square parentheses indicate equivocal character states that are ambiguous because of missing data, polymorphisms or multiple equally par- simonious resolutions. Equivocal characters are placed only at their basal phylogenetic position, and only un- ambiguous reversals are shown. Node 7, 1(4), 3(1), 5(1), 9(0, 2], 14[0, 1]; Node 2, 10(1), 11(1); Node 3, 7(1), 8(1), 12(1), 15(0, 1]; Node 4, 1 [1, 2, 3,4], 9[0, 1,2], 13[0, 1]; Node5, 1(3),4[0, 1],6(1),9(2), 14(0), 15(0), 17(1); Node 6, 4(0), 5(0), 7(0), 16(1). Steps, and 117 trees of length less than or equal to 37 steps were recovered before the analysis was terminated because the consensus cladogram was a complete polytomy. The amount of branch support for the various nodes is given in Figure 19. The total support index (Bremer 1994) for the tree is , towards the low end of the examples given in Bremer (1994). If the stratigraphic correlations of Fritz (1972) are correct for the Canadian sections, then Bhstolia sp. {Laudonia sp. of Fritz
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