Clitellata

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Kingdom: Animalia
Subregnum: Eumetazoa
Cladus: ParaHoxozoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Annelida
Classis:
Subclasses: Branchiobdellae – Hirudinea – Oligochaeta

Clitellata Michaelsen, 1919

Etymology: Named after the clitellum, an anatomical feature that members of this class possess.

• Michaelsen, W. 1919. Über die Beziehungen der Hirudineen zu den Oligochaeten. MMitteilungen aus dem Hamburgischen Zoologischen Museum und Institut 36: 131–153.
• Glasby, C.J., Read, G.B., Lee, K.E., Blakemore, R.J., Fraser, P.M., Pinder, A.M., Erséus, C., Moser, W.E., Burreson, E.M., Govedich, F.R., Davies, R.W. & Dawson, E.W. 2009. 17. Phylum Annelida: bristleworms, earthworms, leeches. Pp. 312–358. in: Gordon, D.P. (ed.) 2009. New Zealand inventory of biodiversity. Volume 1. Kingdom Animalia. Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press: Christchurch, New Zealand. ISBN 978-1-87725772-8. Reference page.  Reference page. 
• Rodriguez, P. & Fend, S.V. 2018. On spermatophore-producing aquatic microdrile oligochaetes (Annelida: Clitellata). Zootaxa 4497(1): 41–60. DOI: 10.11646/zootaxa.4497.1.3 Reference page. 
• Schenková, J., Pařil, P., Petřivalská, K. & Bojková, J. 2010. Aquatic oligochaetes (Annelida: Clitellata) of the Czech Republic: check-list, new records, and ecological remarks. Zootaxa 2676: 29–44. Preview (PDF).

• Clitellum. 2023. Wikipedia.

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