Errantia

Errantia, occasionally Aciculata, is a subclass of polychaete worms. These worms are found worldwide in marine environments and brackish water.

Order Amphinomida Amphinomidae Savigny in Lamarck, 1818 Euphrosinidae Williams, 1851 Order Eunicida Dorvilleidae Chamberlin, 1919 Eunicidae Berthold, 1827 Hartmaniellidae Imajima, 1977 Lumbrineridae Schmarda, 1861 Oenonidae Kinberg, 1865 Onuphidae Kinberg, 1865 Order Phyllodocida Acoetidae Kinberg, 1856 Alciopidae Ehlers, 1864 Aphroditidae Malmgren, 1867 Chrysopetalidae Ehlers, 1864 Eulepethidae Chamberlin, 1919 Glyceridae Grube, 1850 Goniadidae Kinberg, 1866 Hesionidae Grube, 1850 Ichthyotomidae Eisig, 1906 Iospilidae Bergstroem, 1914 Lacydoniidae Bergstroem, 1914 Lopadorhynchidae Claparede, 1868 Myzostomidae Benham, 1896 Nautiliniellidae Miura and Laubier, 1990 Nephtyidae Grube, 1850 Nereididae Johnston, 1865 Paralacydoniidae Pettibone, 1963 Pholoidae Kinberg, 1858 Phyllodocidae Oersted, 1843 Pilargidae Saint-Joseph, 1899 Pisionidae Southern, 1914 Polynoidae Malmgren, 1867 Pontodoridae Bergstroem, 1914 Sigalionidae Malmgren, 1867 Sphaerodoridae Malmgren, 1867 Syllidae Grube, 1850 Tomopteridae Johnston, 1865 Typhloscolecidae Uljanin, 1878 Incertae sedis Aberrantidae Wolf, 1987 Nerillidae Levinsen, 1883 Spintheridae Johnston, 1865 ITIS