Table 6 in Description of two new species of Desmoscolex Claparède, 1863 (Nematoda: Desmoscolecidae) from the Cassidaigne Canyon, Mediterranean Sea

Table 6 (continued on next page). Comparative characteristics of Desmoscolex (Desmoscolex) Claparède, 1863 species lacking cephalic setae, from Jung et al. 2024, with the inclusion of Desmoscolex (Desmoscolex) nibelungus sp. nov. Abbreviations: M = male; F = female; – = unknown; Sd = subdorsal setae; Sv = subventral setae. characterstaxabody length (µm)number of main ringsetae arrangementheadamphidsubdorsal setaesubventral setaehabitatlocalityD. (D.) asetosus Decraemer, 1975M: 225–250 F: 275, 32017Sd: ♂, ♀ (1,3,5,7,9,11,13,16,17) Sv: ♂, ♀ (2,4,6,8,10,12,14,15)asymmetrical, bent to the dorsal sidebipartite, extends to second main ringwide base with a bent lance-shaped tipwide base with a sharp, short tipsandy bottom with layer of silt and abundant foraminifera, 21.5 mLizard Island, Great Barrier Reef, AustraliaD. (D.) lanceosetatus Jug, Kihm & Rho, 2024M: 295–440 F: 250–31017Sd: ♂, ♀ (1,3,5,7,9,11,13,16,17) Sv: ♂ (2,4,6,8,10,12,14,15), (2,4,6,8,10,12,15)asymmetrical, bent to the dorsal sidevesicular, extends to the posterior margin of the first main ringwide base with lance-shaped tipnormal bristle structure with an open tipsilty sand, 48 m, 103 mJeju Island, KoreaD. (D.) nibelungus sp. nov.M: 267–310 F: 249–30917Sd: ♂, ♀ (1,3,5,7,9,11,13,16,17) Sv: ♂, ♀ (2,4,6,8,10,12,14,15)globular, with protruding and uncovered lip regioncircular, nearly covers all the lateral head regionthick, with a cylindrical base and tapering towards the distal end. Last pair with wiry appearancethick, with a cylindrical base and tapering towards the distal enddeep sea, 605 m, 1056 mCassidaigne Canyon, FranceD. (D.) obscurus Bussau, 1993M: 365 F: 44517Sd: ♂, ♀ (1,3,5,7,9,11,13,16,17) Sv: ♂ (2,4,6,8,10,12,14,15), ♀ (2,4,6,8,10,12,15)–vesicular, slightly beyond first main ringlance-shaped tipnormal bristle structuredeep sea, 4154 m, 4174 mPeru Basintaxabody length (µm)number of main ringsetae arrangementheadamphidsubdorsal setaesubventral setaehabitatlocalityD. (D.) rostratus Timm, 1970F: 33031Sd: ♀ (1,4,7,11,15,19,23,29,31) Sv: ♀ (2,5,9,13,17,21,27)asymmetrical with a long snoutovate, extending to first main ringinconspicuous lancet tip, single terminal subdorsal setae–rock dredge, 73 mIndian OceanD. (D.) rotundicephalus Jug, Kihm & Rho, 2024M: 275 F: 255–32017Sd: ♂, ♀ (1,3,5,7,9,11,13,16,17) Sv: ♂ (2,4,6,8,10,12,14,15), ♀ (2,4,6,8,10,12,15)globular head with a protruding labial regionoval, covering most of the head with central amphidial poretapering to an open tip without lance-shaped tipnormal fine structuresilty sand, 103 mJeju Island, Korea