Aquatic Oligochaete Worm (Stephensoniana) is a biological genus in the family Naididae (Aquatic Oligochaete Worm) and order Tubificida (Aquatic Oligochaete Worm).
Stephensoniana trivandrana
Stephensoniana tandyi
Pristina
Spirosperma
Stephensoniana
Paranais
Thalassodrilus
Ophidonais
Rhyacodrilus
Rhizodrilus
Uncinais
Limnodrilus
Amphichaeta
Branchiura
Quistadrilus
Allonais
Varichaetadrilus
Gianius
Teneridrilus
Bratislavia
Stylaria
Vejdovskyella
Bothrioneurum
Slavina
Haemonais
Aulodrilus
Telmatodrilus
Piguetiella
Ilyodrilus
Psammoryctides
Specaria
Tubifex
Tasserkidrilus
Arcteonais
Peloscolex
Arctodrilus
Kopilrok
Ripistes
Isochaetides
Alexandrovia
Chaetogaster
Potamothrix