Achaeta Vejdovský, 1878 (additional source)
Achaeta affinis Nielsen & Christensen, 1959 (original description)
Achaeta bohemica (Vejdovský, 1879) (additional source)
Achaeta camerani (Cognetti, 1899) (additional source)
Achaeta danica Nielsen & Christensen, 1959 (original description)
Achaeta eiseni Vejdovský, 1878 (additional source)
Aspidodrilus Baylis, 1914 (additional source)
Bryodrilus ehlersi Ude, 1892 (additional source)
Buchholzia Michaelsen, 1886 (additional source)
Buchholzia appendiculata (Buchholz, 1863) (additional source)
Buchholzia fallax Michaelsen, 1887 (additional source)
Buchholzia subterranea (Černosvitov, 1937) (status source)
Cernosvitoviella Nielsen & Christensen, 1959 (original description)
Cernosvitoviella atrata (Bretscher, 1903) (additional source)
Cernosvitoviella carpatica Nielsen & Christensen, 1959 (original description)
Cernosvitoviella immota (Knöllner, 1935) (additional source)
Cognettia Nielsen & Christensen, 1959 (original description)
Cognettia glandulosa (Michaelsen, 1888) (additional source)
Cognettia sphagnetorum (Veydovsky, 1878) (additional source)
Enchytraeus Henle, 1837 (additional source)
Enchytraeus albidus Henle, 1837 (additional source)
Enchytraeus buchholzi Vejdovský, 1878 (additional source)
Enchytraeus capitatus von Bülow, 1957 (additional source)
Enchytraeus coronatus Nielsen & Christensen, 1959 (original description)
Enchytronia Nielsen & Christensen, 1959 (original description)
Enchytronia annulata Nielsen & Christensen, 1959 (original description)
Enchytronia parva Nielsen & Christensen, 1959 (original description)
Fridericia Michaelsen, 1889 (additional source)
Fridericia alata Nielsen & Christensen, 1959 (original description)
Fridericia baskini Černosvitov, 1937 (taxonomy source)
Fridericia bisetosa (Levinsen, 1884) (additional source)
Fridericia bulboides Nielsen & Christensen, 1959 (original description)
Fridericia bulbosa (Rosa, 1887) (additional source)
Fridericia callosa (Eisen, 1878) (additional source)
Fridericia connata Bretscher, 1902 (additional source)
Fridericia galba (Hoffmeister, 1843) (additional source)
Fridericia hegemon (Vejdovský, 1878) (additional source)
Fridericia maculata Issel, 1905 (additional source)
Fridericia magna Friend, 1899 (additional source)
Fridericia paroniana Issel, 1904 (additional source)
Fridericia perrieri (Vejdovský, 1878) (additional source)
Fridericia ratzeli (Eisen, 1872) (additional source)
Fridericia regularis Nielsen & Christensen, 1959 (original description)
Fridericia striata (Levinsen, 1884) (additional source)
Guaranidrilus Černosvitov, 1937 (additional source)
Hemienchytraeus Černosvitov, 1934 (additional source)
Hemienchytraeus africanus Černosvitov, 1935 (status source)
Hemienchytraeus bifurcatus Nielsen & Christensen, 1959 (original description)
Hemienchytraeus guineanus Omodeo, 1958 (status source)
Hemienchytraeus inversus Omodeo, 1958 (status source)
Hemienchytraeus stephensoni (Cognetti, 1927) (status source)
Hemifridericia Nielsen & Christensen, 1959 (original description)
Hemifridericia parva Nielsen & Christensen, 1959 (original description)
Henlea heleotropha Stephenson, 1922 (additional source)
Henlea jutlandica Nielsen & Christensen, 1959 (original description)
Henlea nasuta (Eisen, 1878) (additional source)
Henlea perpusilla Friend, 1911 (additional source)
Henlea similis Nielsen & Christensen, 1959 (original description)
Henlea ventriculosa (d'Udekem, 1854) (additional source)
Lumbricillus arenarius (Michaelsen, 1889) (additional source)
Lumbricillus buelowi Nielsen & Christensen, 1959 (original description)
Lumbricillus catanensis Drago, 1887 (status source)
Lumbricillus enteromorphae von Bülow, 1957 (additional source)
Lumbricillus helgolandicus (Michaelsen, 1934) (additional source)
Lumbricillus kaloensis Nielsen & Christensen, 1959 (original description)
Lumbricillus knoellneri Nielsen & Christensen, 1959 (original description)
Lumbricillus lineatus (Müller, 1774) (additional source)
Lumbricillus merriami Eisen, 1904 (additional source)
Lumbricillus merriami elongatus Eisen, 1904 (additional source)
Lumbricillus minutus (Müller, 1776) (status source)
Lumbricillus pagenstecheri (Ratzel, 1869) (additional source)
Lumbricillus rivalis (Levinsen, 1884) (additional source)
Lumbricillus tuba Stephenson, 1911 (additional source)
Lumbricillus viridis Stephenson, 1911 (additional source)
Marionina Michaelsen in Pfeffer, 1890 (additional source)
Marionina alaskae Eisen, 1904 (status source)
Marionina appendiculata Nielsen & Christensen, 1959 (original description)
Marionina argentea (Michaelsen, 1889) (additional source)
Marionina communis Nielsen & Christensen, 1959 (original description)
Marionina filiformis Nielsen & Christensen, 1959 (original description)
Marionina litterata (Hesse, 1893) (status source)
Marionina riparia Bretscher, 1899 accepted as Globulidrilus riparius (Bretscher, 1899) (additional source)
Marionina simillima Nielsen & Christensen, 1959 (original description)
Marionina southerni (Černosvitov, 1937) (additional source)
Marionina spicula (Leuckart, 1847) (additional source)
Marionina subterranea (Knöllner, 1935) (additional source)
Marionina vesiculata Nielsen & Christensen, 1959 (original description)
Mesenchytraeus beumeri (Michaelsen, 1886) (additional source)
Mesenchytraeus eiseni Bretscher, 1900 (status source)
Mesenchytraeus flavus (Levinsen, 1884) (additional source)
Mesenchytraeus franciscanus Eisen, 1904 (status source)
Mesenchytraeus gaudens Cognetti de Martiis, 1903 (additional source)
Mesenchytraeus glandulosus (Levinsen, 1884) (additional source)
Mesenchytraeus groenlandicus Nielsen & Christensen, 1959 (original description)
Mesenchytraeus michaelseni Nielsen & Christensen, 1959 (original description)
Mesenchytraeus pelicensis Issel, 1905 (status source)
Mesenchytraeus sanguineus Nielsen & Christensen, 1959 (original description)
Mesenchytraeus variabilis Cejka, 1914 (status source)
Mesenchytraeus vegae Eisen, 1904 (status source)
Propappus Michaelsen, 1905 (additional source)