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Huang, M.; Huang, Y. (2018). Two new species of Comesomatidae (Nematoda) from the East China Sea. Zootaxa. 4407(4): 573.
386258
10.11646/zootaxa.4407.4.9 [view]
Huang, M.; Huang, Y.
2018
Two new species of Comesomatidae (Nematoda) from the East China Sea
Zootaxa
4407(4): 573
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Two new free-living marine nematode species of the genus Paracomesoma and genus Metacomesoma belonging to family
Comesomatidae are described from the sublittoral sediment of the East China Sea. Paracomesoma zhangi sp. nov. is char-
acterized by cuticle with fine transverse rows of dots, without lateral differentiation; buccal cavity with three small teeth;
cephalic setae 13.5 μm long; multispiral amphideal fovea with three turns; spicules slender and elongated with thick cu-
ticularized proximal end; gubernaculum plate-like without apophysis; 26 minute precloacal supplements. Metacomesoma
macramphida sp. nov. is characterized by very small buccal cavity without teeth; inner and outer labial sensilla papilli-
form; four cephalic setae 1.5 μm long; multispiral amphideal fovea large, with 4.5 turns; spicules slender and elongated,
with cephalated proximal end and finger-shaped distal end; gubernaculum plate-like, without apophysis; precloacal sup-
plements absent. An updated dichotomous key for the identification of the males of the species of Paracomesoma is pro-
vided.
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Metacomesoma macramphida Huang & Huang, 2018 (original description)
Paracomesoma zhangi Huang & Huang, 2018 (original description)
Paracomesoma zhangi Huang & Huang, 2018 (original description)