Table 3 Estimation of average evolutionary divergence over sequence pairs within species using the combined cox1, 18S and 28S data matrix

B. truncatus

0.007 ± 0.002

0.093 ± 0.009

0.002 ± 0.001

0.009 ± 0.001

0.026 ± 0.001

B. tropicus

0.020 ± 0.003

0.005 ± 0.009

0.002 ± 0.002

0.076 ± 0.008

0.024 ± 0.002

B. senegalensis

0.087 ± 0.006

0.049 ± 0.006

0.002 ± 0.001

0.011 ± 0.002

0.038 ± 0.002

B. forskalii

0.046 ± 0.006

0.052 ± 0.007

0.000 ± 0.000

0.122 ± 0.008

0.040 ± 0.003

B. globosus

0.055 ± 0.006

0.065 ± 0.008

0.001 ± 0.000

0.014 ± 0.003

0.024 ± 0.002

B. umbilicatus

0.002 ± 0.002

0.070 ± 0.011

0.002 ± 0.002

0.004 ± 0.002

0.005 ± 0.001

B. camerunensis

0.002 ± 0.002

0.022 ± 0.007

-

-

-

Over all mean distance

0.117 ± 0.009

0.134 ± 0.009

0.005 ± 0.002

0.038 ± 0.003

0.076 ± 0.003