Figure 1:
Discolaimium dubium Das et al., 1969 from Iran. A: Neck region; B: Anterior region in lateral median view; C: Lip region in lateral surface view; D: Female entire; E: Male entire; F: Female, posterior genital branch; G: Female, posterior body region; H: Male, posterior body region; I: Spicule; J: Lateral guiding piece.
Figure 2:
Discolaimium dubium Das et al., 1969 from Iran (female, LM). A: Anterior region in lateral median view; B: Lip region in lateral surface view; C: Pharyngeal expansion and pharyngo-intestinal junction; D: Posterior genital branch; E: Posterior body region; F: Entire; G: Vagina; H: Lateral chord. (Scale bars: A-E, G and H = 10 μm; F = 30 μm).
Figure 3:
Discolaimium dubium Das et al., 1969 from Iran (male, LM). A: Anterior region in lateral median view; B: Entire; C: Lateral chord; D: Pharyngeal expansion and pharyngo-intestinal junction; E: Spicule; F: Posterior body region. (Scale bars: A, C-F = 10 μm; B = 30 μm).
Figure 4:
Phylogenetic relationships of Discolaimium dubium Das et al., 1969. Bayesian 50% majority rule consensus tree as inferred from D2-D3 expansion segments of 28S rDNA sequence alignments under the GTR + G + I model. Posterior probabilities are given for appropriate clades. Newly obtained sequences are indicated by bold letters.
Table 1.
Morphometrics of Iranian material of Discolaimium dubium Das et al., 1969.
Table 2.
Main morphometrics of Iranian material of Discolaimium dubium Das et al., 1969 and its seven close species of the genus Aporcella.
1 Notes: All measurements in µm, except L in mm. aAbbreviations: Lrd, lip region diameter; Odont., odontostyle length; Ph.exp., pharyngeal expansion length; Prerect., prerectum length; Spicul., spicule length; Ve.sup., number of ventromedian supplements; Geog.dis., geographical distribution. bReferences: 1 – Present paper. 2 – Álvarez-Ortega et al. (2013). 3 – Vazifeh et al. (2020).