| Contents | Classes | Subclasses | Orders | Suborders |
Suborder (5) Plagiotomina Albaret, 1974
Body laterally flattened, elongate-ovoid, with right side slightly concave; somatic ciliation uniform, but cilia in small, cirrus-like groups; no adhesive sucker; buccal ciliature extensive, coursing from apical end to subequatorial position; stomatogenesis parakinetal; macronucleus dendritic, with no karyophore; no mucocysts; endocommensals solely in certain species of lumbricid oligochaete annelids.
Family PLAGIOTOMIDAE Bütschli, 1887
With characteristics of suborder (above).
| Plagiotoma Dujardin, 1841. Few species. V 12m |