Table 3

Divergence times between Arthropoda and Deuterostomia. Times of divergence for deuterostomes and arthropods using one or both calibrations from the arthropod fossil record. Abbreviations: CD= Chilopoda-Diplopoda calibration (423 Ma); XA= Xiphosura-Arachnida calibration (480 Ma).

Number of proteins

Divergence times (Ma) and standard errors (if available)


Deuterostome representative

Calibration point

Total

Rate constant

MGGLS

SGGLS

SGLDT

SGLMDT

SGLPL


Vertebrata

CD

5

5

999 ± 96

969 ± 96

1080 ± 147

913 ± 83

1395

XA

5

4

966 ± 130

931 ± 130

1243 ± 170

1022 ± 92

1554

CD & XA

5

4

935 ± 69

999 ± 69

1170 ± 147

978 ± 80

1416


Tunicata

CD

5

4

1189 ± 123

1104 ± 123

988 ± 154

918 ± 93

1127

XA

5

4

1205 ± 165

1151 ± 165

1320 ± 165

1041 ± 103

1362

CD & XA

5

4

1185 ± 128

1130 ± 128

1236 ± 133

1018 ± 95

1362


Pisani et al. BMC Biology 2004 2:1   doi:10.1186/1741-7007-2-1

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