Tylencholaimus zhongshanensis

Contents

Rev 02/21/2023

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• Cuticle two layers,outer layer with fine transverse striations
• Lateral chord occupying 30% of body diameter at mid-body
• Lip region cap shaped, offset from the body by a constriction, 2.3—2.8 times as wide as high or 30—38% of the body diameter at posterior end of the neck region.
• Lips amalgamated, labial and cephalic papillae distinct.
• Amphidial foveae cup shaped, opening at the level of the constriction, apertures narrow, 30% in average of the lip region width.
• Odontostyle slender, 0.7—0.9 times the lip region width long, its aperture one-fourth to one-third of its length.
• Odontophore rod-like with small basal knobs, 0.8—1.3 times as long as the odontostyle. Guiding ring single, indistinct.
• Anterior part of esophagus slender, basal expansion occupying 33—38% of the total esophageal length.
• Cardia conoid to rounded.
• Tail hemispheroid to elongate-hemispheroid, 1.1—1.4 times the anal body diameter.

Female:

• Genital system monodelphic-prodelphic, postvulval sac absent.
• Junction of oviduct and uterus indistinct. Uterus simple and slender
• Vulva transverse in ventral view.
• Vagina approximately 46.5—57% of the corresponding body width long, anteriorly directed. Pars proximalis vaginae with conoid walls, 5—8 µm long and 6—7.5 µm wide, pars refringens lacking, pars distalis vaginae 3—4 µm long. Prerectum 3.2—4.8 times and rectum 0.6—0.9 times anal body diameter long.

Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click: