New genus Asymmelaimus gen. n., sp. n. and new marine nematode species of the subfamily Dorylaimopsinae de Coninck, 1965 (Comesomatidae Filipjev, 1918) from Halong Bay, Vietnam
Nguyen, D.T.; Nguyen, V.T.; Smol, N.; Vanreusel, A. (2008). New genus Asymmelaimus gen. n., sp. n. and new marine nematode species of the subfamily Dorylaimopsinae de Coninck, 1965 (Comesomatidae Filipjev, 1918) from Halong Bay, Vietnam. Rus. J. Nematol. 16(1): 7-16
In: Russian Journal of Nematology. Russian Academy of Sciences. Institute of Parasitology: Moscow. ISSN 0869-6918
Taxa > New taxa > New genera Taxa > Species > New taxa > New species Asymmelaimus Nguyen Dinh Tu, Nguyen Vu Thanh, Smol & Vanreusel, 2008 [WoRMS]; Comesomatidae Filipjev, 1918 [WoRMS]; Dorylaimopsinae De Coninck, 1965 [WoRMS] Marine/Coastal
One new genus and one new species are described from Halong Bay, Vietnam: Asymmelaimus vietnamicus gen. n., sp. n. and Dorylaimopsis halongensis sp. n. Asymmelaimus vietnamicus gen. n., sp. n. is characterized by an asymmetrical head with the anterior part of the buccal cavity leaning to the dorsal side and a narrow posterior part with weakly cuticularized walls and one dorsal and two ventrosublateral small teeth situated at the base of the anterior part, and a cuticular ornamentation consisting of one or two longitudinal rows of dots. Dorylaimopsis halongensis sp. it. is characterized by the head set off from the body by constriction, massive spicules with a 'velum' and a long tail (11.3 to 13.6 anal body diameters).
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