Crassiclitellata

Crassiclitellata is an order of annelids belonging to the class Clitellata.

Families:
 * Acanthodrilidae
 * Benhamiidae
 * Eudrilidae
 * Hippoperidae
 * Komarekionidae
 * Lumbricidae
 * Lutodrilidae
 * Sparganophilidae
 * Tumakidae
 * Typhaeidae