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Tchesunov, A. V.; Mokievsky, V. O.; Nguyen Vu Thanh. (2010). Three new free-living nematode species (Nematoda, Enoplida) from mangrove habitats of Nha Trang, Central Vietnam. Russian Journal of Nematology. 18 (2), 155-173.
196201
Tchesunov, A. V.; Mokievsky, V. O.; Nguyen Vu Thanh
2010
Three new free-living nematode species (Nematoda, Enoplida) from mangrove habitats of Nha Trang, Central Vietnam
Russian Journal of Nematology
18 (2), 155-173
Publication
Available for editors  PDF available [request]
Three new nematode species of the order Enoplida were found in a degrading mangrove biotope in the Bay of Nha Trang, Central Vietnam. Admirandus belogurovi sp. n. (Oncholaimidae), a second species of the genus, differs from the only other species, A. multicavus Belogurov et Belogurova, 1979, in having shorter spicules (41-49 vs71-110 µm) and some measurements, as well as presence of a small midventral preanal supplementary papilla. Diagnosis of the genus Admirandus Belogurov et Belogurova, 1979 is emended. Tripyloides caudaensis sp. n. (Tripyloididae) is close to a group of species T. gracilis (Ditlevsen, 1918), T. marinus (Bütschli, 1874) and T. pallidus Tchesunov, 1981 with partly overlapped measurements and differs from them in shape of the tail consisting of distinct proximal conical and distal slender cylindrical portions and from T. pallidus additionally by oviparity vs viviparity. An annotated list of eleven valid species and a pictorial key for identification of Tripylodes species are given. Litinium subterraneum sp. n. (Oxystominidae) is characterised by the position of the amphideal fovea closely behind the circle of twelve anterior setae and presence of two preanal supplementary papillae. Litinium subterraneum sp. n. differs from the related L. aequale Cobb, 1920, Litinium sp. 1 and Litinium sp. 2 (both latter unnamed species were found in mangroves of Vietnam, Quang Ngo Xuan et al., 2008) in body length, relatively longer tail, position of the amphideal fovea, relative pharynx length, different distance from the cephalic apex to the ventral pore. Some data on microscale distribution of three species in mangrove intertidal zone are provided.
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2015-02-25 08:10:23Z
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Vietnamese Exclusive Economic Zone for Litinium subterraneum Tchesunov, Mokievsky & Nguyen Vu Thanh, 2010 
Vietnamese part of the South China Sea for Tripyloides caudaensis Tchesunov, Mokievsky & Nguyen Vu Thanh, 2010 
Holotype IEBR, identified as Admirandus belogurovi Tchesunov, Mokievsky & Nguyen Vu Thanh, 2010
Unknown type, verbatimGeounit küstengrundwasser Ki..., identified as Tripyloides acherusius Gerlach, 1952
Holotype IEBR, geounit Vietnamese Exclusive Economic Zone, identified as Litinium subterraneum Tchesunov, Mokievsky & Nguyen Vu Thanh, 2010
Holotype IEBR, geounit Vietnamese part of the South China Sea, identified as Tripyloides caudaensis Tchesunov, Mokievsky & Nguyen Vu Thanh, 2010

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