Cadlina affinis

Cadlina affinis is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Cadlinidae.

Distribution
This species was described from four specimens trawled at McMurdo Sound at the following positions -76.93333°N, 164.2°W, 293 m., -77.76667°N, 166.13333°W, 547 m. and off Granite Harbour, entrance to McMurdo Sound, 92 m.