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. 2013 Jul 3;14:59. doi: 10.1186/1471-2156-14-59

Figure 1.

Figure 1

Strict consensus cladogram scored at 2070 inferred from POY analyses of 12S rDNA sequences.  Numbers adjacent to nodes indicate bootstrap values. The karyotype fundamental number (FN) is indicated for some species. The asterisk indicates the node of the clade that includes the species of the D. microcephalus  group. Sample locations are provided for all the specimens we collected for this study and also for the specimens of D. nanus, D. sanborni, D. rubicundulus and D. walfordi  whose 12S rDNA sequences were already available at the GenBank (their GenBank accession numbers are indicated). The GenBank accession numbers are also indicated for D. brevifrons  and D. triangulum  because these species were not recovered as monophyletic groups.