Table 2 Mean percent intraspecific (along the diagonal) and interspecific divergence (below the diagonal) for Echinostoma spp. in the nad 1 dataset and number of pairwise nucleotide differences for 28S rDNA sequences (above the diagonal)

1

E. bolschewense

0.07

12–13

11–12

18

11–12

13–16

12

8

–

–

–

13

–

–

–

2

Echinostoma n. sp.

16.5

0.53

3–4

10

3–4

13

4

7

–

–

–

5

–

–

–

3

E. miyagawai

16.5

14.0

0.83

9

3–4

10

13

11

–

–

–

7

–

–

–

4

E. revolutum ( s. str. ) (Europe)

14.3

13.0

11.4

0.83

9–10

15

12

13

–

–

–

13

–

–

–

5

E. paraulum

15.8

15.1

10.8

12.6

0.55

13–16

5–6

6–7

–

–

–

6–7

–

–

–

6

Echinostoma sp. IG

19.3

18.9

19.0

18.2

19.4

0.32

13

11

–

–

–

16

–

–

–

7

E. paraensei

17.0

12.6

15.9

14.9

15.3

19.3

0.21

8

–

–

–

5

–

–

–

8

E. caproni

18.0

15.3

14.4

15.0

14.8

19.3

14.6

1.82

–

–

–

9

–

–

–

9

" E. robustum/friedi " Lineage A

16.9

13.9

4.9

11.3

10.8

17.3

15.3

14.0

–

–

–

–

–

–

–

10

" E. robustum/friedi " Lineage C

15.7

13.3

9.2

10.9

10.2

18.9

13.6

14.2

8.4

–

–

–

–

–

–

11

" E. robustum/friedi " Lineage D

16.9

13.1

8.4

12.2

10.6

19.1

14.7

15.4

8.6

5.3

–

–

–

–

–

12

E. trivolvis Lineage A*

16.3

11.8

14.6

13.0

14.7

18.0

13.6

14.3

14.1

12.7

12.9

0.80

–

–

–

13

E. trivolvis Lineage B

15.6

12.7

15.2

14.0

15.8

19.6

14.3

16.6

14.9

14.0

13.0

8.1

0.91

–

–

14

E. trivolvis Lineage C

14.4

11.2

15.5

13.5

15.8

19.0

14.1

16.6

15.6

13.2

13.0

7.9

2.7

0.46

–

15

" E. revolutum " (USA)

15.2

13.2

12.0

5.9

13.3

18.8

15.6

14.4

11.8

11.7

13.5

13.9

14.6

13.6

0.88