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Table 10 Morphometrics of Prochaetosoma ventriverruca, Lucky Strike

From: Free-living nematode species (Nematoda) dwelling in hydrothermal sites of the North Mid-Atlantic Ridge

Character

Holotype male

Paratype males

Paratype females

n

Min–max

Mean

SD

CV

n

Min–max

Mean

SD

CV

L

506

13

439–513

475

28.8

6.07

18

407–594

475

37.4

7.87

a

14.0

11

11.7–16.2

13.7

1.16

8.50

16

8.12–12.4

10.1

1.21

11.9

b

5.42

11

4.94–5.83

5.35

0.28

5.23

18

4.71–5.60

5.22

0.26

4.98

c

8.60

11

7.42–8.64

8.16

0.43

5.27

18

6.90–8.53

7.82

0.44

5.63

c

3.27

10

2.92–3.53

3.21

0.22

6.85

16

3.47–4.81

4.09

0.35

8.56

V  %

18

45.5–52.4

49.3

1.92

3.90

Body diameter at level of cephalic setae

11.4

11

11–13

11.9

0.66

5.54

17

11.2–13.8

12.1

0.63

5.19

Body diameter at level of amphideal fovea

11.4

11

11.1–13

11.9

0.62

5.19

17

11.2–13.8

12.1

0.63

5.19

Body diameter at level of nerve ring

30.7

11

30.7–35.2

32.7

1.32

4.03

17

30.2–37.0

33.5

1.71

5.11

Body diameter at level of anterior swelling

33.2

7

32.5–36.3

33.7

1.27

3.77

13

31.3–37.3

34.6

1.56

4.51

Body diameter at level of cardia

25.4

11

23.9–28.5

26.6

1.42

5.35

13

22.3–33.0

28.3

2.55

9.00

Body diameter at level of anterior narrowing

19.7

11

19.7–22.5

20.8

0.92

4.43

17

20.7–28.8

22.5

1.90

8.44

Midbody diameter

36.2

11

30.0–41.4

35.5

3.19

8.98

16

40.7–58.4

47.5

5.76

12.1

Anal body diameter

18.0

10

16.6–19.3

18.1

0.98

5.4

16

13.3–18.2

15.1

1.39

9.20

Number of left posterior adhesion tubes in sublateral row

5

11

5–6

5.18

0.40

7.72

11

11–14

12.6

0.93

7.41

Number of left posterior adhesion tubes in subventral row

10

11

9–13

10.9

1.04

9.53

11

14–19

17.1

1.76

10.3

Number of right posterior adhesion tubes in sublateral row

6

6

4–6

5.00

0.63

12.6

13

11–14

12.4

0.77

6.22

Number of right posterior adhesion tubes in subventral row

13

6

9–13

10.8

1.37

12.8

13

14–18

16.2

1.46

9.04

Spicule’s length along arch

37.0

11

33–38.7

36.2

1.99

5.50

Gubernaculum’s length

15.8

11

13.4–19.8

16.1

2.09

12.9

Length of midventral precloacal wart

10.4

10

9.1–13.5

11.7

1.52

13.0

Distance from midventral precloacal wart to cloaca

41.3

10

37.6–66.7

45.9

9.78

21.3

  1. Measures in µm except for ratios