Table 2

Mean corrected percent sequence divergences between Triops cancriformis clade/population comparisons and estimated divergence times based on corrected COI distance. Distances are given for the combined COI-ATPase fragment as well as separately for COI and ATPase sequences. Because no crustacean molecular clock calibration factors are available for ATPase we used the COI corrected distance for approximations of divergence times. For population codes see Table 1, for clade definition see Figure 2.


Corrected % sequence divergence
Estimated divergence times (mya)



clade/population
COI-ATP
ATP
COI
1.4% sequence divergence per mya
2.3% sequence divergence per mya

clade A vs. clade B
2.1590
3.4323
1.5865
1.1332
0.6809
clade A and B vs. C
13.5477
44.5345
10.985
7.8465
4.7146
ARE vs. YOI
9.7768
24.3929
7.9947
5.6762
3.4106
ARE&YOI vs. EXT
10.4396
31.5413
7.8278
5.5912
3.3595

Zierold et al. BMC Evolutionary Biology 2007 7:161   doi:10.1186/1471-2148-7-161