Table 1

Molecular divergence time estimates of selected cyprinid nodes.

Taxa

Substitution rate calibration

Fossil calibration



Crown group

Stem group

Crown group

Stem group


MRCA Cyprinidae and its sister group

n.a

34.20

n.a

51.90 a

MRCA Cyprinidae

33.20

33.19

51.9 a

50.38

MRCA Rasborinae (clade A)b

31.89

31.89

49.86

48.42

MRCA Paedocypris and Sundadanio (clade C)b

23.97

23.99

37.47

36.41

MRCA Paedocypris

6.34

6.36

9.91

9.67

Substitution rate

0.0082c

0.0082c

0.0053d

0.0054d

Standard deviation (sd)

0.0032

0.0032

0.0021

0.0021

Smoothing parameter for PL

1.0

1.0

2.5

2.5


This table lists inferred ages in million years for selected cyprinid nodes (nodes MRCA Cyprinidae, MRCA Rasborinae (clade A), MRCA Paedocypris and Sundadanio, and MRCA Paedocypris are labelled 1–4 in Figure 2C), substitution rates, standard deviation and smoothing parameters used for the alternative calibration of a relaxed cyprinid molecular clock (substitution rate calibration and fossil calibration) with penalized likelihood (PL). The chronogram resulting from the substitution rate calibration (crown group) is shown in Figure 2C.

a = fixed root age; b = Clades A and C refer to clade designations given in Figure 1; c = fixed substitution rate (see text for details); d = inferred substitution rate.

Rüber et al. BMC Evolutionary Biology 2007 7:38   doi:10.1186/1471-2148-7-38

Open Data