ANNELIDA: Branchiobdellida, oligochaetous Clitellata ('Oligochaeta')

Environmental factors and benthic Oligochaeta (Annelida, Clitellata) assemblages in a stretch of the Upper Sao Francisco River (Minas Gerais State, Brazil). ...... of metal bioaccumulation in two filter-feeding macroinvertebrates: Exposure distribution, inter-species differences and variability across developmental stages.