Figure 5.

Phylogeny of Rynchopini, Stercorariini, Dromas, Alcinae, and Glareolidae 50% majority rule supertree showing the relationships of the Rynchopini, Stercorariini, Dromas, Alcinae, and Glareolidae. Numbers on nodes refer to age estimates in additional file 1. Boxed node numbers indicate that node collapses to its immediate ancestor in the strict consensus tree (see also additional files 2 and 3 for the full 50% majority rule and strict consensus trees respectively). Node numbers 139 and 140 have no support from any source tree and are novel clades.

Thomas et al. BMC Evolutionary Biology 2004 4:28   doi:10.1186/1471-2148-4-28
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