Common Earthworm, Animal of the world Wiki
Clitty Facebook, Instagram & Twitter on PeekYou
Cittel from California, Facebook, Instagram, Twitter
Earthworm - Wikipedia
Phylum Annelida- characteristics, classification, examples
Annelid Reproduction - Advanced
Cliatt Facebook, Instagram & Twitter on PeekYou
Lumbricus terrestris – 10,000 Things of the Pacific Northwest
Clitellum – Wikipedia
Lumbricus terrestris – 10,000 Things of the Pacific Northwest
No clitellum: 2 constrictions and a bloated tail instead, Observation, Southern Africa
Earthworm - Wikipedia