Aquatic Oligochaete Worm (Teneridrilus flexus) is a species of the class Clitellata in the family Naididae (Aquatic Oligochaete Worm) and order Tubificida (Aquatic Oligochaete Worm).
Teneridrilus flexus
Teneridrilus calvus
Teneridrilus mastix
Teneridrilus columbiensis