Buchholzia protarum (Bretscher, 1900) accepted as Buchholzia pratorum (Bretscher, 1900) (additional source)
Enchytraeidae d'Udekem, 1855 (taxonomy source)
Enchytraeoides unisetosus Ferronnière, 1899 accepted as Marionina unisetosa Ferronnière, 1899 (status source)
Enchytraeus lobatus Southern, 1909 accepted as Pachydrilus southerni Černosvitov, 1937 accepted as Marionina southerni (Černosvitov, 1937) (replacement name source)
Guaranidrilus Černosvitov, 1937 (original description)
Henlea californica helenae Eisen, 1904 accepted as Michaelseniella helenae Černosvitov, 1937 (new combination reference)
Henlea quadrupla Friend, 1913 accepted as Henlea nasuta (Eisen, 1878) (source of synonymy)
Marionina americana Eisen, 1904 accepted as Pachydrilus eiseni Černosvitov, 1937 accepted as Lumbricillus eiseni (Cernosvitov, 1937) (replacement name source)
Marionina lobata (Southern, 1909) accepted as Marionina southerni (Černosvitov, 1937) (replacement name source)
Mesenchytraeus Eisen, 1878 (additional source)
Mesenchytraeus alpinus Bretscher, 1901 (status source)
Mesenchytraeus cejkai Cernosvitov, 1937 (source of synonymy)
Mesenchytraeus cejkai Cernosvitov, 1937 (original description)
Mesenchytraeus eiseni Cejka, 1914 accepted as Mesenchytraeus cejkai Cernosvitov, 1937 (source of synonymy)
Mesenchytraeus fontinalis gracilis Eisen, 1904 accepted as Mesenchytraeus fontinalis Eisen, 1904 (source of synonymy)
Mesenchytraeus mencli Vejdovský, 1905 accepted as Mesenchytraeus gaudens Cognetti de Martiis, 1903 (source of synonymy)
Michaelseniella helenae Černosvitov, 1937 (status source)
Pachydrilus eiseni Černosvitov, 1937 accepted as Lumbricillus eiseni (Cernosvitov, 1937) (original description)
Pachydrilus southerni Černosvitov, 1937 accepted as Marionina southerni (Černosvitov, 1937) (original description)
Pachydrilus southerni Černosvitov, 1937 accepted as Marionina southerni (Černosvitov, 1937) (basis of record)
Propappus Michaelsen, 1905 (additional source)