World Database of Nematodes

Rho, H. S.; Kim, D. S.; Min, W. G. (2007). Tenuidraconema tongaense n. sp. (Nematoda: Draconematidae), a new free-living marine nematode from a seamount in the southwest Pacific Ocean. Nematology. 9(4): 545-560.

180748

10.1163/156854107781487233 [view]

Rho, H. S.; Kim, D. S.; Min, W. G.

2007

9(4): 545-560

Publication

NeMys doc_id: 17922

Available for editors   [request]

A new species of free-living marine draconematid nematode, Tenuidraconema tongaense n. sp., is described. This new species was collected from shallow subtidal dead corals and detritus from a seamount in a hydrothermal area off the Tonga Islands, southwest Pacific Ocean. Tenuidraconema tongaense n. sp. differs from the known species of the genus by the following combination of characters: longer body (1060-1265 ìm), position of 12 cephalic adhesion tubes (anterior six cephalic adhesion tubes inserted on rostrum and posterior six adhesion tubes inserted on anterior body annule in male; all 12 cephalic adhesion tubes inserted on rostrum in female), number of posterior sublateral adhesion tubes (11 in male, 12 in female) and posterior subventral adhesion tubes (9-11 in male, 10-11 in female) with somatic setae intermingled between the two anteriormost sublateral adhesion tubes, longer spicule length (43-50 ìm), and slender body (a = 41.1-48.6 in male and 29.4-35.1 in female). A pictorial key and a dichotomous identification key for males and females are provided for the species. A table comparing the major differential diagnostic characteristics of the species of Tenuidraconema is presented.

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