Annelida Lamarck, 1809 - segmented worms Class Oligochaeta Grube, 1850 - oligochaetes see [unranked] oligochaetous Clitellata Order Opisthopora Family Octochaetidae Michaelsen, 1900 Genus [Dichogaster] Beddard, 1888 1 Dichogaster bolaui (Michaelsen, 1891) 2 Dichogaster modiglianii (Rosa, 1896) 3 Dichogaster saliens (Beddard, 1893)