| Annelida - Introduction: Annelid worms, brought to you by Biological Sciences at the University of Paisley. |
| Center for Annelida Resources: The Illinois Natural History Survey Annelida Collection is one of the largest state collections of freshwater oligochaetes in the USA, holding more than 300,000 specimens. |
| Introduction to the Annelida: Introduction to the Annelida, the segmented worms. |
| Phylum Annelida: The segmented worms, including earthworms, polychaete worms, and leeches. |
| UCSC Annelida: Anatomical illustrations of segmented worms from the University of California at Santa Cruz. |
| Wormlab Home Page: Photographs and links to other worm pages. |
Classical
