Cossura sp. MoV 6841  

Body long and coiled, approx. 25-30 segments. Body separated into two regions- ~10 thoracic and ~15-20 abdominal. Prostomium pointed. No palps or eye spots visible. Segments 1-3 without chaetae. Segments 4-10 with long capillary chaetae, crenellate on one side. Segments 11+ with shorter, sparser capillaries. A few bent chaetae posteriorly. Single 'stub' of broken branchia mid-dorsal on segment 4