Achaeta bohemica (Vejdovský, 1879) (additional source)
Branchiura sowerbyi Beddard, 1892 (additional source)
Bryodrilus ehlersi Ude, 1892 (additional source)
Buchholzia appendiculata (Buchholz, 1863) (additional source)
Chaetogaster diastrophus (Gruithuisen, 1828) (additional source)
Clitellio arenarius (Müller, 1776) represented as Clitellio (Clitellio) arenarius (Müller, 1776) (additional source)
Eisenia veneta zebra Michaelsen, 1903 (additional source)
Eiseniella tetraedra (Savigny in Cuvier, 1826) (additional source)
Enchytraeus albidus Henle, 1837 (additional source)
Enchytraeus globulata Bretscher, 1900 (additional source)
Enchytraeus lobatus Southern, 1909 accepted as Pachydrilus southerni Černosvitov, 1937 accepted as Marionina southerni (Černosvitov, 1937) (original description)
Enchytraeus turicensis Bretscher, 1899 (additional source)
Fridericia bisetosa (Levinsen, 1884) (additional source)
Fridericia bretscheri Southern, 1907 (additional source)
Fridericia glandulosa Southern, 1907 accepted as Fridericia galba (Hoffmeister, 1843) (additional source)
Fridericia hegemon (Vejdovský, 1878) (additional source)
Fridericia leydigi (Vejdovský, 1878) (additional source)
Fridericia lobifera (Vejdovský, 1879) accepted as Fridericia ratzeli (Eisen, 1872) (additional source)
Fridericia magna Friend, 1899 (additional source)
Fridericia michaelseni Bretscher, 1899 accepted as Fridericia galba (Hoffmeister, 1843) (additional source)
Fridericia paroniana Issel, 1904 (additional source)
Fridericia ratzeli (Eisen, 1872) (additional source)
Fridericia striata (Levinsen, 1884) (additional source)
Fridericia valdensis Issel, 1905 accepted as Fridericia striata (Levinsen, 1884) (additional source)
Helodrilus (Allolobophora) caliginosus (Savigny in Cuvier, 1826) accepted as Allolobophora caliginosa (Savigny in Cuvier, 1826) accepted as Aporrectodea caliginosa (Savigny in Cuvier, 1826) (basis of record)
Helodrilus (Allolobophora) relictus Southern, 1909 accepted as Lumbricus rubellus Hoffmeister, 1843 (original description)
Helodrilus (Dendrobaena) octaedrus (Savigny in Cuvier, 1826) accepted as Dendrobaena octaedra (Savigny in Cuvier, 1826) (basis of record)
Henlea hibernica Southern, 1907 (additional source)
Henlea nasuta (Eisen, 1878) (additional source)
Limnodrilus aurostriatus Southern, 1909 accepted as Limnodrilus hoffmeisteri Claparède, 1862 (original description)
Limnodrilus longus Bretscher, 1901 accepted as Limnodrilus claparedianus Ratzel, 1868 (additional source)
Limnodrilus parvus Southern, 1909 accepted as Limnodrilus hoffmeisteri Claparède, 1862 (original description)
Limnodrilus udekemianus Claparède, 1862 (additional source)
Lumbricillus evansi Southern, 1909 accepted as Lumbricillus rivalis (Levinsen, 1884) (original description)
Lumbricillus fossarum (Tauber, 1879) (additional source)
Lumbricillus niger Southern, 1909 (original description)
Lumbricillus pagenstecheri (Ratzel, 1869) (additional source)
Lumbricillus subterraneus (Vejdovský, 1889) accepted as Lumbricillus rivalis (Levinsen, 1884) (additional source)
Lumbricillus verrucosus (Claparède, 1861) accepted as Lumbricillus lineatus (Müller, 1774) (additional source)
Lumbricus friendi Cognetti de Martiis, 1904 (additional source)
Marionina semifusca (Claparède, 1861) accepted as Claparedrilus semifuscus (Claparède, 1861) (additional source)
Marionina sphagnetorum (Vejdovský, 1878) accepted as Chamaedrilus sphagnetorum (Vejdovský, 1878) accepted as Cognettia sphagnetorum (Veydovsky, 1878) (additional source)
Mesenchytraeus celticus Southern, 1909 (original description)
Nais elinguis Müller, 1774 (additional source)
Nais filiformis [auct. mistaken attribution to Williams, 1852] accepted as Tubifex tubifex (Müller, 1774) (source of synonymy)
Nais obtusa (Gervais, 1838) accepted as Nais barbata Müller, 1774 (additional source)
Ophidonais reckei Floericke, 1892 accepted as Ophidonais serpentina (Müller, 1774) (additional source)
Pachydrilus litoreus Hesse, 1893 accepted as Lumbricillus litoreus (Hesse, 1893) (additional source)
Stylodrilus hallissyi Southern, 1909 accepted as Stylodrilus heringianus Claparède, 1862 (original description)
Tubifex benedeni d'Udekem, 1855 accepted as Tubificoides benedii (d'Udekem, 1855) (additional source)
Tubifex templetoni Southern, 1909 accepted as Ilyodrilus templetoni (Southern, 1909) (original description)
Tubifex thompsoni Southern, 1909 accepted as Baltidrilus costatus (Claparède, 1863) (original description)
Vejdovskyella comata (Vejdovský, 1884) represented as Vejdovskyella (Vejdovskyella) comata (Vejdovský, 1884) (additional source)

 Etymology

 for Enchytraeus lobatus Southern, 1909

Ireland, Co. Dublin, Howt [details]

 Etymology

 for Lumbricillus evansi Southern, 1909

This species is named after Mr. W. Evans, of Edinburgh, who collected many species for me [details]

 Etymology

 for Lumbricillus niger Southern, 1909

although not stated in the original, the name is most likely derived from its dark color. Quote in Stephenson: ... [details]

 Etymology

 for Stylodrilus hallissyi Southern, 1909

This species is named after my friend, Mr. T. Hallissy, of the Irish Geological Survey, who collected this and ... [details]

 Etymology

 for Tubifex templetoni Southern, 1909

This species is dedicated to John Templeton. of Belfast, who, with his son, Robert Templeton, was one of the ... [details]

 Etymology

 for Tubifex thompsoni Southern, 1909

This species is dedicated to William Thompson, the well-known Irish naturalist, author of “ The Natural History ... [details]

 Nomenclature

 for Nais filiformis [auct. mistaken attribution to Williams, 1852]

The name "Nais filiformis Williams, 1852" does not exist. It arose because in a general work on British annelids ... [details]

 Type locality

 for Helodrilus (Allolobophora) relictus Southern, 1909

Ireland, Co. Mayoi, Clare island [details]

 Type locality

 for Lumbricillus niger Southern, 1909

Ireland, Co. Dublin, Dalkey [details]