Holidotea unicornis Barnard, 1920

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 : 1816

Holidotea unicornis Barnard, 1920

(figures 1K, 4, 5) Holidotea unicornis Barnard, 1920: 382–384 , figures 18–23; Barnard, 1940: 493; Nierstrasz,

1941: 262; Kensley, 1975: 40, figure 2a–j; Kensley, 1978b: 25–26, figure 10a, b; Wägele,

1989: 137.

Material examined

One male dissected, one female, one juvenile, SAM A13980 . One male, one female, NMV J47038 .

Remarks

The species, illustrated here more completely than previously, is distinguished from species of Austroarcturus by the combination of triangular tergal wings on pereonites 2–4 and smooth dorsum. The male possesses a triangular crest on the head. The species occurs from Saldanha Bay to Agulhas Bank, south-western South Africa, at 60–240 m depth. The male is up to 5.5 mm long; the female to 6.0 mm.