Table 3 |
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| Mean divergence-time estimates (in Ma) and 95% confidence intervals from BEAST analyses using different tree models | |||||||
| Tree model | root | Amphipsalta-Notopsalta | Amphipsalta | N. sericea MRCA | A. strepitans MRCA | A. zelandica MRCA | A. cingulata MRCA |
| Yule | 4.82 (3.87-5.69) | 3.70 (2.95-4.49) | 2.97 (2.42-3.56) | 1.01 (0.64-1.39) | 0.84 (0.60-1.11) | 0.39 (0.26-0.54) | 0.23 (0.13-0.34) |
| birth-death | 24.45 (14.86-38.10) | 12.59 (7.6-17.2) | 9.22 (5.75-12.82) | 1.36 (0.70-2.06) | 1.16 (0.66-1.70) | 0.37 (0.19-0.56) | 0.16 (0.06-0.27) |
| coalescent (constant) | 17.43 (11.11-23.97) | 8.21 (5.67-10.69) | 5.91 (4.04-7.61) | 1.28 (0.75-1.87) | 1.07 (0.65-1.44) | 0.39 (0.22-0.59) | 0.18 (0.08-0.28) |
| coalescent (expansion) | 17.00 (10.70-23.42) | 8.13 (5.64-10.35) | 5.85 (4.20-7.59) | 1.26 (0.77-1.89) | 1.07 (0.68-1.52) | 0.39 (0.23-0.59) | 0.18 (0.08-0.30) |
Estimates of interspecific divergence times were strongly influenced by the tree prior, while ages of species’ MRCAs and intraspecific divergences varied much less.
Marshall et al. BMC Evolutionary Biology 2012 12:177 doi:10.1186/1471-2148-12-177