The Different Shapes of the Clitellum

Description:
Diagram showing the different forms the clitellum may take. This shape is used when identifying earthworms.
Image from: http://www.naturewatch.ca/english/wormwatch/resources/anatomy.html
Diagram showing the different forms the clitellum may take. This shape is used when identifying earthworms.
Image from: http://www.naturewatch.ca/english/wormwatch/resources/anatomy.html