File:New Classification Clitellata2.jpg

A revised classification of the Clitellata shows the current consensus that leeches are a group within the oligochaetes. The name Oligochaeta becomes redundant as it is synonymous with Clitellata. We may nevertheless refer to the former group as oligochaetous annelids.

This work is licensed under the Creative Commons Attribution-ShareAlike 2.5 License. Attribution: From BGM Jamieson 2006. Non-leech Clitellata. (with contributions by Marco Ferraguti). Pp. 235-392. In Reproductive Biology and Phylogeny of Annelida. Series Editor B.G.M. Jamieson. Volume 4. Editors Greg Rouse and Fredrik Pleijel. Science Publishers, Enfield, New Hampshire, U.S.A. Jersey, Plymouth, UK. ISBN 1-57808-313-3. https://creativecommons.org/licenses/by-sa/2.5/CC-BY-SA-2.5Creative Commons Attribution-ShareAlike 2.5truetrue

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