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Table 12 Morphometrics of Halomonhystera vandoverae, Snake Pit, st. 4330

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

Character

Males

Females

n

Min–max

Mean

S.D.

C.V.

n

Min–max

Mean

S.D.

C.V.

L

13

472–882

647

111

17.2

11

685–1010

790

110

13.9

a

13

31.1–40.5

36.0

2.99

8.31

11

31.4–38

34.6

2.53

7.32

b

13

4.56–6.74

5.85

0.72

12.3

11

4.75–7.71

6.38

0.81

12.7

c

13

4.50–10.4

8.68

0.82

9.45

11

8.15–10.2

9.16

0.72

7.87

c′

13

3.78–5.35

4.57

0.51

11.2

11

5.69–7.00

6.32

0.41

6.43

V  %

–

–

–

–

–

11

65.0–71.4

68.1

2.13

3.13

Body diameter at level of cephalic setae

12

4.50–6.50

5.30

0.58

11.0

10

5.00–7.00

6.10

0.57

9.31

Body diameter at level of amphideal fovea

12

8.00–9.50

9.58

0.70

7.32

11

10.0–12.0

11.0

0.65

5.94

Body diameter at level of nerve ring

13

13.5–18.0

15.2

1.26

8.35

11

15.0–19.5

17.0

1.21

7.12

Body diameter at level of cardia

13

14.0–20.5

16.2

1.71

10.6

11

16.5–21.0

18.5

1.29

7.01

Midbody diameter

13

14.5–23.5

18.2

2.55

14.0

11

20.0–26.0

22.8

1.92

8.41

Anal body diameter

13

15.0–19.5

16.9

1.60

9.45

11

13.5–18.5

15.5

1.59

10.3

Distance from cephalic apex to anterior rim of amphideal fovea

12

9.00–12.0

10.9

1.11

10.2

9

11.5–14.5

13.1

1.01

7.77

Distance from cephalic apex to postamphideal setae

9

14.0–22.0

17.9

2.94

16.4

7

17.0–21.0

19.0

1.63

8.59

Spicule’s length along arch

13

24.2–32.0

28.7

2.30

7.99

–

–

–

–

–

  1. Measures in µm except for ratios