World Database of Nematodes

Holovachov, O. (2012). Swedish Plectida (Nematoda). Part 1. Domorganus suecicus sp. n. from Skagerrak. Zootaxa. 3263: 63-68.

196231

Holovachov, O.

2012

3263: 63-68

Publication

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A new species of Domorganus, D. suecicus sp. n., is described from bottom sediments collected in Skagerrak off the west coast of Sweden. It is characterised by its long body (1.3–1.6 mm), lateral field originating immediately posterior to amphid, excretory pore located at the level of basal pharyngeal bulb, absence of advulval sensilla, straight spicules and absence of gubernaculum. The new species has a unique set of characters (position of excretory pore and absence of the gubernaculum) separating it from all other known species of the genus. It shows some resemblance to the previously described species D. acutus and D. subtilis in body size and most measurements, but can be easily separated from both by the relatively longer tail, shorter spicules, position of the anterior end of the lateral field near amphid, position of the excretory pore anterior to pharyngo-intestinal junction, and absence of gubernaculum. A tabular compendium of species of the genus Domorganus is also given.

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