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A Diminutive New Tyrannosaur from the Top of the World

Figure 7

Phylogenetic position of Nanuqsaurus hoglundi within Tyrannosauridae recovered from second phylogenetic test.

Part of one of eight equally most parsimonious hypotheses of tyrannosauroid phylogeny (length = 2008; consistency index = 0.3541; retention index = 0.7226) found in our analysis based on dataset of Loewen et al. [24], and set to the geologic timescale. Figure shows only the relationships within Tyrannosauridae. Thick bars indicate uncertainty of geological range for a given taxon. Numbers at nodes are Bremer support values for that clade. Open circle indicates node-defined clade name. Half-circle arc indicates a stem-defined lineage name. Dates for geologic stage boundaries from [10].

Figure 7