Table 1 in Belgopeltula belgica (Vincx & Gourbault, 1992) gen. et comb. nov. and Mudwigglus micramphidium sp. nov. from the west coast of Sweden, and reappraisal of the genus Pseudaraeolaimus Chitwood, 1951 (Nematoda: Araeolaimida: Diplopeltidae)

Table 1. Measurements (in µm) of Belgopeltula belgica (Vincx & Gourbault, 1992) gen. et comb. nov., Mudwigglus micramphidium sp. nov. and Pseudaraeolaimus cylindricauda (Allgén, 1932) comb. nov. (presented as mean ± SD and (range) where appropriate).
Belgopeltula belgicaMudwigglus micramphidiumPseudaraeolaimus cylindricaudaLocalityNorth SeaSea of JapanSkagerrakSkagerrakCampbell IslandNumber of specimensholotype male1 male4 males7 femalesholotype malelectotype maleBody length550381386 ± 26 (358–418)358 ± 28 (326–414)594985Body diameter (BD)1921.518.4 ± 2.1 (16.0–21.0)25.0 ± 3.3 (21.5–31.0)17.019Pharynx length879898 ± 6 (91–104)91 ± 3 (86–96)78133Tail length1207480 ± 2 (79–82)71 ± 3 (67–78)6693Anal body diameter (ABD)181414.8 ± 1.5 (13.5–16.5)13.1 ± 1.8 (11.0–16.5)14.018a28.917.721.1 ± 2.1 (18.1–22.8)14.4 ± 1.4 (13.1–16.9)34.751.8b6.33.94.0 ± 0.1 (3.9–4.0)4.0 ± 0.3 (3.7–4.6)7.67.4c4.65.24.8 ± 0.3 (4.6–5.2)5.0 ± 0.3 (4.7–5.4)8.910.6c’6.75.35.4 ± 0.4 (5.0–5.8)5.5 ± 0.7 (4.7–6.7)4.75.2V or T (%)??35.7 ± 2.0 (34.2–37.1)49.4 ± 1.8 (47.1–52.3)48.759.3Labial region diameter??5.7 ± 1.0 (4.0–6.5)6.7 ± 0.7 (6.0–8.0)8.05.5Oral opening from ant. end??2.1 ± 0.6 (1.5–3.0)2.7 ± 0.7 (2.0–3.5)apicalapicalCephalic setae length41.51.0 ± 0.3 (0.5–1.5)0.8 ± 0.3 (0.5–1.5)1.57.0Amphidial fovea from ant. end1819.718.0 ± 0.9 (17.0–19.0)19.1 ± 1.9 (16.5–22.0)11.55.5Amphidial fovea length (max)263715.9 ± 2.1 (13.5–18.5)2.6 ± 0.7 (1.5–3.5)8.011.0Amphidial fovea width444.3 ± 0.8 (3.5–5.0)2.6 ± 0.7 (1.5–3.5)3.53.5Nerve ring from ant. end4776??5095Nerve ring from anterior end as % of pharynx length5477??6471Excretory pore from ant. endsubapical?subapicalsubapical6612.5Secretory-excretory pore from ant. end as % of pharynx lengthsubapical?subapicalsubapical859Vagina or spicules length2116.517.4 ± 0.8 (16.5–18.0)4.9 ± 0.9 (4.0–6.5)15.017Rectum or gubernaculum length94.17.1 ± 0.7 (6.5–8.0)11.0 ± 1.5 (9.0–13.5)6.08.0Vagina length / BD–––0.2 (0.1–0.3)––Rectum or spicules / ABD––1.1 ± 0.1 (1.1–1.2)0.8 ± 0.1 (0.7–1.0)1.10.9