Animalia > Annelida > Clitellata

Clitellata

Synonyms: Oligochaeta

Wikipedia Abstract

The Clitellata are a class of annelid worms, characterized by having a clitellum - the 'collar' that forms a reproductive cocoon during part of their life cycles. The clitellates comprise around 8,000 species. Unlike the class of Polychaeta, they do not have parapodia and their heads are less developed.
View Wikipedia Record: Clitellata

Order

Acanthobdellida (3)
Arhynchobdellida (proboscisless leeches) (279)
Branchiobdellida (152)
Euhirudinea (22)
Rhynchobdellida (jawless leeches) (380)

Family

Illebdellidae (2)

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External References

Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0