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Table 8 Morphometrics of Prochromadora helenae, Lucky Strike

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

Character

Males

Females

Holotype

n

min–max

mean

SD

CV

n

min–max

mean

SD

CV

L

806

20

626–1010

821

83.1

10.1

14

779–1060

858

74.0

8.63

a

26

20

24.8–35.0

28.7

2.76

9.61

14

23.7–29.8

26.8

1.81

6.75

b

7.53

20

5.91–8.04

7.21

0.55

7.63

14

6.59–8.59

7.40

0.56

7.57

c

7.20

20

6.02–7.62

6.90

0.44

6.38

14

5.85–6.92

6.42

0.37

5.76

c′

5.44

19

5.05–6.89

6.02

0.43

7.14

14

5.61–8.72

7.38

0.86

11.7

V %

–

–

–

–

–

–

14

43.2–47.5

44.7

1.16

2.59

Body diameter at level of cephalic setae

9.3

20

8.2–11.2

9.6

0.87

9.05

14

8.7–12.4

9.95

0.97

9.75

Body diameter at level of nerve ring

18.8

20

18.0–22.8

20.3

1.14

5.63

14

17.3–22.7

19.7

1.42

7.19

Body diameter at level of cardia

23.1

20

20.7–24.4

22.3

1.09

4.89

14

22.1–25.0

23.2

0.98

4.23

Midbody diameter

31.0

20

17.9–32.5

28.9

3.63

12.6

14

27.5–35.7

31.9

2.14

6.71

Anal body diameter

20.6

19

17.2–22.0

19.6

1.28

6.52

14

16.2–22.0

18.3

1.69

9.24

Length of cephalic setae

5.6

14

3.7–6.0

5.1

0.75

14.6

7

4.3–5.9

4.84

0.53

11.0

Midpharynx width

8.3

17

5.5–8.3

6.9

0.78

11.3

12

5.1–8.0

6.7

0.87

12.9

Length of terminal pharyngeal bulb

20.9

20

19.0–24.1

21.7

1.64

7.55

14

18.9–26.0

22.7

2.06

9.07

Width of terminal pharyngeal bulb

15.9

20

14.8–17.8

16.0

0.82

5.12

14

14.5–17.9

16.5

0.96

5.82

Spicule’s length along arch

33.0

19

24.0–33.0

27.0

2.37

8.77

–

–

–

–

–

Gubernaculum’s length

15.2

6

9.4–15.2

13.0

2.07

15.9

–

–

–

–

–

  1. Measures in µm except for ratios