Neoarcturus youngi (Kensley, 1978) Poore, 2003

Poore, G. C. B., 2003, Revision of Holidoteidae, an endemic southern African family of Crustacea, and re-appraisal of taxa previously included in its three genera (Isopoda: Valvifera), Journal of Natural History 37, pp. 1805-1846 : 1830

Neoarcturus youngi (Kensley, 1978) comb. nov.

(figures 7B, C, 11C, D)

Microarcturus youngi Kensley, 1978a: 131–133 , figure 4a–i; Kensley, 1978b: 31, figure 13f, g; Kensley, 1984: 256–260, figure 23a–e.

Material examined

Four males (one dissected), two ovigerous females, one juvenile, SAM A17832 . One male, SAM A17819 . One male, one female, NMV J47034 .

Diagnosis

Eyes pigmented. Dorsum irregularly weakly tuberculate and with dominant pairs of submedial spines on pereonites 2 and 3 (especially female); without dorsolateral spines. Pereonites 2 and 3 of female with conical lateral wings (absent in male); pereonites 4–7 and pleonites with obsolete lateral projections. Pleotelson apex rounded, not apically produced as spine, posterolateral margin with well-defined angular flanges. Male pleonite 2 strongly elevated as paired dorsolateral bosses, pleonite 3 with lower dorsomedial boss. Posteroventral margin of pereonite 4 of male with bilobed flat plate. Male to 6.0 mm; female to 6.0 mm.

Remarks

The pairs of submedial spines on pereonites 2 and 3 diagnose this species which is found in the KwaZulu-Natal to Transkei area, eastern South Africa, at 680–850 m depth .