Species (184)
- Pachydrilus pagenstecheri Ratzel
- Fridericia ratzeli Eisen
- Fridericia perrieri Vejdovsky 1877
- Fridericia minuta Bretscher
- Fridericia dura Eisen
- Fridericia leydigi Vejdovsky
- Fridericia callosa Eisen
- Fridericia auriculata Bretscher
- Tubifex virulentus Pointner
- Tubifex albicola Michaelsen
- Bryodrilus parvus
- Henlea glandulifera
- Enchytronia parva Nielsen & Christensen 1959
- Enchytraeus buchholzi Vejdovski 1879
- Bryodrilus ehlersi Ude 1892
- Stercutus niveus Michaelsen 1888 Sensu Dozsa-Farkas 1973
- Cognettia cognettii Issel 1905
- Marionina clavata Nielsen & Christensen 1961
- Aelosoma variegatum Vejdovsky 1884
- Aelosoma headlei Beddard
- Aelosoma kemprichi Ehrenberg
- Aelosoma quaternarium Ehrenberg
- Paranais uncinata Örsted 1843
- Chaetogaster palustris Pointner
- Chaetogaster chrystallinus Vejdovsky
- Pristina lutea Schmidt
- Dero tubicola Pointner
- Nais obtusa Gervais
- Limnodrilus profundicola Verill 1871
- Limnodrilus udekemianus Claparede 1862
- Potamothrix bedoti Piguet 1913
- Potamothrix bavaricus Öschmann 1913
- Limnodrilus hoffmeisteri Claparede 1862
- Potamothrix heuscheri Bretscher 1900
- Potamothrix moldaviensis Vejdovsky & Mrazek 1902
- Potamothrix vejdovskyi Hrabe 1941
- Psammoryctides albicola Michaelsen 1901
- Nais simplex Piguet 1906
- Aeolosoma hyalinum Bunke 1967
- Aeolosoma hemprichi Ehrenberg 1828
- Fridericia bisetosa Schmidegg 1938 ssp. magnaglandula
- Fridericia tirolensis Schmidegg 1938
- Fridericia christiani Bauer 1998
- Fridericia bulboides Nielsen & Christensen 1959
- Enchytraeus minutus Nielsen & Christensen 1961
- Cognettia glandulosa Michaelsen 1888
- Fridericia paroniana Issel 1904
- Fridericia maculatiformis Dózsa-Farkas 1972
- Marionina communis Nielsen & Christensen 1959
- Limnodrilus virulentus Pointner 1911
- Nais pseudoobscura Piguet
- Paranais naidina Bretscher
- Nais josinae Vejdovsky 1883
- Achaeta pannonica Graefe 1989
- Fridericia antensteineri Bauer 1996
- Rhyacodrilus lunzensis Pointner 1914
- Fridericia aurita Issel 1905
- Tubifex barbatus Grube 1861
- Henlea nasuta Eisen 1878
- Tubifex fontaneus Pointner 1914
- Henlea ventriculosa D'Udekem 1854
- Henlea dicksoni Eisen 1878
- Buchholzia fallax Michaelsen 1887
- Enchytraeus argenteus Michaelsen 1889
- Mesenchytraeus beumeri Michaelsen 1886
- Mesenchytraeus setosus Michaelsen 1888
- Fridericia bisetosa Levinsen 1884
- Psammoryctides moravicus Hrabe 1934
- Rhyacodrilus falciformis Bretscher 1901
- Rhyacodrilus coccineus Vejdovsky 1875
- Spirosperma tenuis Hrabe 1931
- Lumbricillus rivalis Levinson 1883
- Marionina argentea Michaelsen 1889
- Propappus volki Michaelsen 1915
- Nais variabilis Piguet 1906
- Ophidonais serpentina Müller 1774
- Pristina aequiseta Bourne 1891
- Specaria josinae Vejdovsky 1883
- Isochaeta virulenta Pointner 1911
- Nais elinguis Müller 1774
- Henlea perpusilla Friend 1911
- Cognettia clarae Bauer 1993
- Fridericia christiani Bauer 1998
- Enchytraeoides sphagnetorum Vejdovsky 1877