Leptolaimus de Man, 1876

Gu, Huimin, Sun, Lingyun & Huang, Yong, 2024, Two new species of Leptolaimus (Nematoda: Plectida) from Chinese sea area, Zootaxa 5507 (2), pp. 384-394 : 385

Genus Leptolaimus de Man, 1876

Diagnosis. (Modified from Holovachov 2014) Body slender, annulated cuticle usually with lateral alae; cephalic sensilla papilliform or setiform; amphidial fovea ventrally unispiral (circular in outline); tubular buccal cavity elongated; males reproductive system diorchic, may having both tubular and alveolar precloacal supplements, one or no supplement at all; the number of supplements varying from zero to 16 for tubular and zero to 56 for alveolar; females with two opposed and reflexed ovaries, vulva midventral or subventral; alveolar or tubular supplements may be present in females of some species.