Phylum Annelida Lamarck, 1809 - segmented worms Class Polychaeta Grube, 1850 - polychaetes Order Amphinomida Lamarck, 1818 Family Amphinomidae Savigny, 1818 Genus Pareurythoe Gustafson, 1930 Pareurythoe borealis (M. Sars, 1862)