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Table 2 Gene origination, duplication, and loss rates in the ancestral sauropsid lineages

From: Madagascar ground gecko genome analysis characterizes asymmetric fates of duplicated genes

Taxon Brancha Time (myr) #gene originations #gene duplications #gene losses #originations/myr #duplications/myr #losses/myr
Neognathae (a) 160.3 54 222 2644 0.3369 1.6843 19.1703
Crocodylia (b) 225.6 134 776 1272 0.5940 3.6392 7.6640
Testudines (c) 97.74 13 352 1814 0.1330 3.8469 25.4348
Serpentes (d) 44.52 37 291 1791 0.8311 7.1878 49.7305
Toxicofera (e) 64.4 11 163 593 0.1708 3.4317 11.8323
Gekkonidae (f) 122.2 32 270 1505 0.2619 2.4386 16.2684
Squamata (g) 86.05 88 988 1426 1.0227 16.3626 24.3579
Archosauria (h) 21.87 8 71 1062 0.3658 4.2524 64.5633
Archelosauria (i) 26.47 70 373 664 2.6445 22.1760 35.3986
Sauropsida (j) 37.4 175 707 422 4.6791 27.5401 16.3369
Boreoeutheria (k) 74.27 303 613 705 4.0797 8.8461 11.7813
Mammalia (l) 163.27 233 872 1783 1.4271 5.8370 14.7486
  1. aShown in Fig. 2
  2. myr million years