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Table 10 Morphometrics of Prochaetosoma ventriverruca, Lucky Strike

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

Character Holotype male Paratype males Paratype females
n Min–max Mean SD CV n Min–max Mean SD CV
L 506 13 439–513 475 28.8 6.07 18 407–594 475 37.4 7.87
a 14.0 11 11.7–16.2 13.7 1.16 8.50 16 8.12–12.4 10.1 1.21 11.9
b 5.42 11 4.94–5.83 5.35 0.28 5.23 18 4.71–5.60 5.22 0.26 4.98
c 8.60 11 7.42–8.64 8.16 0.43 5.27 18 6.90–8.53 7.82 0.44 5.63
c 3.27 10 2.92–3.53 3.21 0.22 6.85 16 3.47–4.81 4.09 0.35 8.56
V  % 18 45.5–52.4 49.3 1.92 3.90
Body diameter at level of cephalic setae 11.4 11 11–13 11.9 0.66 5.54 17 11.2–13.8 12.1 0.63 5.19
Body diameter at level of amphideal fovea 11.4 11 11.1–13 11.9 0.62 5.19 17 11.2–13.8 12.1 0.63 5.19
Body diameter at level of nerve ring 30.7 11 30.7–35.2 32.7 1.32 4.03 17 30.2–37.0 33.5 1.71 5.11
Body diameter at level of anterior swelling 33.2 7 32.5–36.3 33.7 1.27 3.77 13 31.3–37.3 34.6 1.56 4.51
Body diameter at level of cardia 25.4 11 23.9–28.5 26.6 1.42 5.35 13 22.3–33.0 28.3 2.55 9.00
Body diameter at level of anterior narrowing 19.7 11 19.7–22.5 20.8 0.92 4.43 17 20.7–28.8 22.5 1.90 8.44
Midbody diameter 36.2 11 30.0–41.4 35.5 3.19 8.98 16 40.7–58.4 47.5 5.76 12.1
Anal body diameter 18.0 10 16.6–19.3 18.1 0.98 5.4 16 13.3–18.2 15.1 1.39 9.20
Number of left posterior adhesion tubes in sublateral row 5 11 5–6 5.18 0.40 7.72 11 11–14 12.6 0.93 7.41
Number of left posterior adhesion tubes in subventral row 10 11 9–13 10.9 1.04 9.53 11 14–19 17.1 1.76 10.3
Number of right posterior adhesion tubes in sublateral row 6 6 4–6 5.00 0.63 12.6 13 11–14 12.4 0.77 6.22
Number of right posterior adhesion tubes in subventral row 13 6 9–13 10.8 1.37 12.8 13 14–18 16.2 1.46 9.04
Spicule’s length along arch 37.0 11 33–38.7 36.2 1.99 5.50
Gubernaculum’s length 15.8 11 13.4–19.8 16.1 2.09 12.9
Length of midventral precloacal wart 10.4 10 9.1–13.5 11.7 1.52 13.0
Distance from midventral precloacal wart to cloaca 41.3 10 37.6–66.7 45.9 9.78 21.3
  1. Measures in µm except for ratios