Crassiclitellata

Crassiclitellata is an order in the class Clitellata, containing 635 described species.

Scientific classification

Families

• Lumbricidae159
• Megascolecidae138
• Acanthodrilidae121
• Rhinodrilidae66
• Microchaetidae60
• Kazimierzidae25
• Hormogastridae21
• Tritogeniidae17
• Benhamiidae4
• Glossoscolecidae4
• Octochaetidae4
• Diporodrilidae3
• Ocnerodrilidae3
• Almidae2
• Eudrilidae2
• Sparganophilidae2
• Biwadrilidae1
• Criodrilidae1
• Komarekionidae1
• Lutodrilidae1