Branchiura sowerbyi Beddard, 1892 (additional source)
Chaetogaster diaphanus (Gruithuisen, 1828) (additional source)
Chaetogaster diastrophus (Gruithuisen, 1828) (additional source)
Chaetogaster limnaei von Baer, 1827 (additional source)
Limnodrilus hoffmeisteri Claparède, 1862 (additional source)
Limnodrilus profundicola (Verrill, 1871) (additional source)
Limnodrilus udekemianus Claparède, 1862 (additional source)
Lumbriculus variegatus (Müller, 1774) (additional source)
Nais communis Piguet, 1906 (additional source)
Nais elinguis Müller, 1774 (additional source)
Nais pseudobtusa Piguet, 1906 (additional source)
Nais simplex Piguet, 1906 (additional source)
Nais variabilis Piguet, 1906 (additional source)
Oligochaeta (identification resource)
Ophidonais serpentina (Müller, 1774) (additional source)
Paranais frici Hrabĕ, 1941 (additional source)
Paranais litoralis (Müller, 1784) (additional source)
Potamothrix bavaricus (Oschmann, 1913) (additional source)
Potamothrix hammoniensis (Michaelsen, 1901) (additional source)
Potamothrix moldaviensis Vejdovský & Mrázek, 1903 (additional source)
Potamothrix vejdovskyi (Hrabĕ, 1941) (additional source)
Psammoryctides barbatus (Grube, 1860) (additional source)
Ripistes parasita (Schmidt, 1847) (additional source)
Slavina appendiculata (d'Udekem, 1855) (additional source)
Stylaria lacustris (Linnaeus, 1758) (additional source)
Tubifex nerthus Michaelsen, 1908 (additional source)
Tubifex tubifex (Müller, 1774) (additional source)
Uncinais uncinata (Ørsted, 1842) (additional source)
Vejdovskyella comata (Vejdovský, 1884) represented as Vejdovskyella (Vejdovskyella) comata (Vejdovský, 1884) (additional source)