Diagnosis. Length of adults - females 2.45–5.53 mm; males 2.14–4.1 mm. Sensory bristle on 5 th segment of antennula with about 6–9 proximal filaments. Fifth limb: epipodite appendage has over 60 plumose bristles; both lobes of 3 rd exopodite segment with 2 + 3 bristles; 5 th segment present and separated from or fused to 4 th segment; 4 th+ 5 th segments with 5–9 bristles in total. 4 th endite of sixth limb with 6–10 bristles.
Type species: D. (Dolorietta) antarctica sp. nov.
Additional species: D. (Dolorietta) pectinata Skogsberg, 1920; D. (Dolorietta) levinsoni Kornicker, 1975; D. (Dolorietta) septenaria Kornicker, 1975; D. (Dolorietta) isaacsi Kornicker, 1975; D. (Dolorietta) mawsoni Kornicker, 1975; D. (Dolorietta) sextafiliformis sp. nov.; D. (Dolorietta) sp. nov. 1; D. (Dolorietta) sp. nov. 2.