“Oradarea edentata, n.sp. (Figs. 96 d, 101).
? Chevreux 1913, p. 143 (part Leptamphopus novae-zealandiae, non Thoms.).
Occurrence: St. 573. South Shetlands. Many incl. ovig. ♀♀ up to 6 mm.
Description. Integument as in tridentata, but with the major sculpturing not forming such prominent transverse lines on the pleon segments as in the preceding species. Post-antennal angle of head quadrate, slightly produced forwards. Eyes broadly oval, reddish. Peraeon and pleon dorsally rounded, without any teeth or carination. Side-plate I scarcely widened distally. Lower margins of side-plates very obscurely serrulate. Postero-inferior angle of pleon segment 2 quadrate, with a very minute tooth, of segment 3 rounded with a small tooth or notch at the junction of lower and hind margins. Telson oblong, narrowing distally, apex truncate, with or without obscure crenulations. It is narrower than in bidentata, and without the distinct triangular apex of tridentata.
Epistome and upper lip much less gibbous than in the other species. Antenna I with 1-jointed accessory flagellum.
Gnathopod 1, 6th joint slender and cylindrical, approaching in shape, though not in length, the 6th joint of gnathopod 2. Peraeopods 3-5, 2nd joint with hind margin obscurely serrulate.
Colour (as preserved) orange-brown, formed by numerous close-set stellate chromatophores ; eyes darker, reddish-brown.
Remarks. It is probable that some of Chevreux' specimens from Petermann Island belong to this species. He refers to an ovigerous ♀, 6 mm. in length, without any dorsal teeth. He also mentions that some examples had a punctuated coloration, with brick-red eyes. The respective localities are not very far distant from one another.”
(Barnard, 1932: 167-168)
