Annelida Lamarck, 1809 - segmented worms Class Oligochaeta Grube, 1850 - oligochaetes see [unranked] oligochaetous Clitellata Order Tubificida Family Naididae Ehrenberg, 1828 - naidids Genus [Branchiodrilus] Michaelsen, 1900 Branchiodrilus hortensis (Stephenson, 1910)