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Table 2 Comparison of Halomonhystera species (males)

From: Description of two free-living nematode species of Halomonhystera disjuncta complex (Nematoda: Monhysterida) from two peculiar habitats in the sea

Species

Characters

L

a

b

c

c′

Width of the amphideal fovea (in brackets, as percentage of c.b.d.,  %)

Distance from cephalic apex to anterior rim of amphideal fovea, μm

Distance from cephalic apex to anterior rim of amphideal fovea divided by body diameter at level of cephalic setae

Total stoma length (μm)

Spicule’s length (μm)

antarctica

900

33

7.5

11

3.6

(33)

?

1.3–1.4

?

34–40

bathislandica

572–684

36–39

5.3–6.2

7.4–7.5

5.5–6

4.3 (45)

15

2

6

22

cameroni

1,054

40

7.3

11

3.3–3.6

(25)

?

2–3

8

38

chitwoodi

1,450

34

9.8

9.8

4.4

(25)

11

1

?

42

continentalis

420–560

20–23

5–5.6

10–11

2.1–2.5

(33)

9–12

1.2–1.8

4–6

26–30

disjuncta

800–1,500

24–35

6.2–10

11–20

2–3

(25)

?

<2

?

27–42

fisheri

680–860

28–41

6.7–7.2

9.1–9.9

4.3–4.8

(50)

12–14

2.14 calc

5

27–29

glaciei

2,200–2,500

81–91

7.3–8.2

11–20

6.3

(29)

26

2–2.5

?

36–40

halophila

820–1,330

29–38

7–10

11–13

2.7–3.6

(25)

22–30

0.8–1.2

10–12

44–53

hermesi sp. n.

688–1,038

23–39

3.9–6.2

7.9–10.6

3–4.2

3–4 (20–24)

11–18

0.7–1.4

6.4–8.5

32–50

hickeyi

605–740

30–34

6.1–6.7

10–11

3.3

(50)

11

1.52 calc

?

25–30

islandica

380–400

26–29

5.1–5.5

7.7–8

4.3–4.7

(33–35)

9.5–10.3

1.65 calc

3

14–19

paradisjuncta

600

27

5.4

10

2.8

(20–25)

12–18

1.56 calc

5

 

parasitica

900–1,100

25–29

4.8–5.7

8–9

4.2 calc

4 (22 calc)

18

2

7

41–44

rotundicapitata

850

26

6

8

4

(22 calc)

14.5 calc

1.16

8

26

socialis

1,875–3,590

42–60

6.7–10.6

12–21

3.2–5

4–5.5 (21–33.3)

14–23

1.1–1.5

5–11

46–96

tangaroa

660–817

33–38

6–7

10–12

3–3.8

4 (29–33)

11–14

1.18 calc

6

27–34

taurica

724–979

32–43

6.7–8.3

13–17

2.5–3.5

3–4 (25 calc)

13–14

1.36 calc

?

23–30

uniformis

460

40

5

6.7

6.5

(25)

?

2–2.5

?

26

vandoverae

605–760

33–35

6–7

8–10

4

(40)

12–14

?

5

23–30

  1. Character values non-overlapped with those of H. hermesi underlined with single line. Double underline means wide hiatus