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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