Nephtyidae are pale, clearly segmented polychaetes with a small pentagonal
prostomium with two pairs of small antennae. Their segments are little differentiated and have a rectangular cross-section. Nephtyids are active predators, with a strong muscular
proboscis, armed with two well developed jaws. They can dig relatively fast through sandy sediments. They can also swim with sinuous movements. , Antarctica, 1962. == References ==