More than 90% of the species in this class live in
More than 90% of the species in this class live in freshwater or terrestrial habitats, and 100% are hermaphroditic.  This class probably spawned class Hirudinea (HEAR-ud-IN-ea), or leeches, but unlike class Polychaeta they have no parapodia, eyes, or anterior tentacles, and have relatively few bristles.  FTP, name this subdivision of phylum Annelida that includes the common earthworm.
More than 90% of the species in this class live in freshwater or terrestrial habitats, and 100% are hermaphroditic.  
{Oligochaeta} or {Oligochaetes}