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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