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Table 7 Morphometrics of Paracanthonchus olgae sp. n. from the site Lucky Strike

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

Character

Males

Females

n

Min–max

Mean

SD

CV

n

Min–max

Mean

SD

CV

L

8

1335–1830

1595

144

9.04

12

1500–2065

1805

164

9.07

a

8

28.4–42.5

35.0

4.99

14.2

10

24.6–34.4

29.3

2.77

9.44

b

8

5.18–6.48

5.80

0.53

9.14

12

5.43–6.94

5.98

0.40

6.69

c

8

10.9–14.7

12.8

1.08

8.44

12

9.81–13.3

11.9

1.18

9.91

c′

8

2.75–3.25

3.09

0.18

5.83

12

3.4–4.8

4.12

0.37

8.98

V %

–

–

–

–

–

12

51.7–54.7

53.0

0.97

1.83

Body diameter at level of cephalic setae

8

21–25

23.2

1.13

4.87

10

21–26

23.0

1.61

7.02

Body diameter at level of nerve ring

8

32–43

38.3

3.45

9.01

10

38–47

41.8

3.46

8.28

Body diameter at level of cardia

8

40–50

45

3.74

8.31

10

42–55

49.9

4.68

9.38

Midbody diameter

8

42–54

47

4.21

8.96

10

55–75

62.6

6.79

10.8

Anal body diameter

8

35–46

40.3

3.81

9.47

9

32.5–40

36.2

2.45

6.76

Spicule’s length along arch

7

52–60

58.0

2.76

4.76

–

–

–

–

–

Gubernaculum’s length

7

43–53

48

3.74

7.79

–

–

–

–

–

  1. Measures in µm except for ratios