Two new species of Leptolaimus (Nematoda: Plectida) from Chinese sea area Author Gu, Huimin 0009-0008-5820-4678 College of Life Sciences, Liaocheng University, Liaocheng 252059, P. R. China Author Sun, Lingyun 0009-0005-3553-3645 College of Life Sciences, Liaocheng University, Liaocheng 252059, P. R. China 981779432@qq.com Author Huang, Yong College of Life Sciences, Liaocheng University, Liaocheng 252059, P. R. China text Zootaxa 2024 2024-09-12 5507 2 384 394 http://dx.doi.org/10.11646/zootaxa.5507.2.9 journal article 10.11646/zootaxa.5507.2.9 1175-5326 13757765 732EF0D1-7CDA-4366-B164-156D4E2E8E7F 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.