Annelida Lamarck, 1809 - segmented worms Class Oligochaeta Grube, 1850 - oligochaetes see [unranked] oligochaetous Clitellata Order Tubificida Family Tubificidae Vejdovský, 1876 - sludge worms see Family Naididae Ehrenberg, 1828 Genus [Bothrioneurum] Michaelsen, 1900 1 Bothrioneurum vejdovskyanum Štolc, 1888