| Group 4 - Oligochaeta Updated May 12, 2011 |
| Oligochaeta |
Order |
Family |
Subfamily |
Genus |
| Oligochaeta |
Enchytraeida |
Enchytraeidae |
no subfamily established |
Enchytraeus |
| Oligochaeta |
Enchytraeida |
Enchytraeidae |
no subfamily established |
Mesenchytraeus |
| Oligochaeta |
Lumbriculida |
Lumbriculidae |
no subfamily established |
Eclipidrilus |
| Oligochaeta |
Lumbriculida |
Lumbriculidae |
no subfamily established |
Kincaidiana |
| Oligochaeta |
Lumbriculida |
Lumbriculidae |
no subfamily established |
Lumbriculus |
| Oligochaeta |
Lumbriculida |
Lumbriculidae |
no subfamily established |
Rhynchelmis |
| Oligochaeta |
Lumbriculida |
Lumbriculidae |
no subfamily established |
Stylodrilus |
| Oligochaeta |
Opisthopora |
Sparganophilidae |
no subfamily established |
Sparganophilus |
| Oligochaeta |
Tubificida |
Naididae |
Naidinae |
Chaetogaster |
| Oligochaeta |
Tubificida |
Naididae |
Naidinae |
Nais |
| Oligochaeta |
Tubificida |
Naididae |
Naidinae |
Ophidonais |
| Oligochaeta |
Tubificida |
Naididae |
Naidinae |
Slavina |
| Oligochaeta |
Tubificida |
Naididae |
Naidinae |
Stylaria |
| Oligochaeta |
Tubificida |
Naididae |
Rhyacodrilinae |
Bothrioneurum |
| Oligochaeta |
Tubificida |
Naididae |
Rhyacodrilinae |
Branchiura |
| Oligochaeta |
Tubificida |
Naididae |
Rhyacodrilinae |
Rhyacodrilus |
| Oligochaeta |
Tubificida |
Naididae |
Tubificinae |
Aulodrilus |
| Oligochaeta |
Tubificida |
Naididae |
Tubificinae |
Limnodrilus |
| Oligochaeta |
Tubificida |
Naididae |
Tubificinae |
Spirosperma |
| Oligochaeta |
Tubificida |
Naididae |
Tubificinae |
Tubifex |