List of annelid families describes the taxa relationships in the phylum Annelida, which contains more than 17,000 extant species including ragworms, earthworms, and leeches.[1]
Bloodworm Glycera
Hesionidae Eurythoe complanata
Opheliidae Eunice aphroditois
Tomopteriskils
Hesionidae Oxydromus pugettensis
Nephtys hombergii
Nerididae Alitta succinea
Palpata
- Order Amphinomida
- Order Eunicida
- Order Phyllodocida
- Family Acoetidae Kinberg, 1856
- Family Alciopidae Ehlers, 1864
- Family Aphroditidae Malmgren, 1867
- Family Chrysopetalidae Ehlers, 1864
- Family Eulepethidae Chamberlin, 1919
- Family Glyceridae Grube, 1850
- Family Goniadidae Kinberg, 1866
- Family Hesionidae Grube, 1850
- Family Ichthyotomidae Eisig, 1906
- Family Iospilidae Bergstroem, 1914
- Family Lacydoniidae Bergstroem, 1914
- Family Lopadorrhynchidae Claparede, 1868
- Family Myzostomatidae Benham, 1896
- Family Nautiliniellidae Miura and Laubier, 1990
- Family Nephtyidae Grube, 1850
- Family Nereididae Johnston, 1865
- Family Paralacydoniidae Pettibone, 1963
- Family Pholoidae Kinberg, 1858
- Family Phyllodocidae Oersted, 1843
- Family Pilargidae Saint-Joseph, 1899
- Family Pisionidae Southern, 1914
- Family Polynoidae Malmgren, 1867
- Family Pontodoridae Bergstroem, 1914
- Family Sigalionidae Malmgren, 1867
- Family Sphaerodoridae Malmgren, 1867
- Family Syllidae Grube, 1850
- Family Tomopteridae Johnston, 1865
- Family Typhloscolecidae Uljanin, 1878
- Incertae sedis
Hirudo medicinalis leech
- Subclass Hirudinea (Leech)
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