Comparison of paleontological records, pairwise genetic distance based-method and relaxed molecular clock analysis (with/without “noisy” sites) for estimating time divergence.

The table showed the time divergence estimation of 7 putative split episodes that occurred during Thecosomata evolution. Paleontological estimates correspond to the oldest fossils record found by different authors: a = [104], b = [47], c = [43], d = [44], e = [79], f = [69]. The time divergence of Event 1 is estimated at 59.1 [46.9, 114.2] Ma, the event 2 at 37.7 [23.8, 46.9] Ma, the event 3 at 19.74 [8.1, 23.8] Ma and the event 4 at 2.4 [0,8. 1] Ma. The two values presented for the relaxed clock analysis correspond respectively to the values obtained with complete data set (with “noisy” sites) and partial data set (without “noisy” sites).