Michaelsen, W. (1919). �ber die Beziehungen der Hirudineen zu den Oligoch�ten. <em>Mitteilungen aus dem Hamburgischen zoologischen Museum und Institut.</em> 36: 131-153., available online athttps://www.biodiversitylibrary.org/page/29547391 page(s): 152; note: Michaelsen introduces a formal upper-level classification of the annelids [details]
URMO (2025). Clitellata. Accessed at: https://www.marinespecies.org/urmo/aphia.php?p=taxdetails&id=14165 on 2025-05-03
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). Clitellata. Accessed at: https://www.marinespecies.org/urmo/aphia.php?p=taxdetails&id=14165 on 2025-05-03
original descriptionMichaelsen, W. (1919). �ber die Beziehungen der Hirudineen zu den Oligoch�ten. <em>Mitteilungen aus dem Hamburgischen zoologischen Museum und Institut.</em> 36: 131-153., available online athttps://www.biodiversitylibrary.org/page/29547391 page(s): 152; note: Michaelsen introduces a formal upper-level classification of the annelids [details]
taxonomy sourceErs�us, Christer; Williams, B. W.; Horn, K. M.; Halanych, K. M.; Santos, S. R.; James, S. W.; Creuz� des Ch�telliers, M.; Anderson, F. E. (2020). Phylogenomic analyses reveal a Palaeozoic radiation and support a freshwater origin for clitellate annelids. <em>Zoologica Scripta.</em> 49(5):614-640., available online athttps://onlinelibrary.wiley.com/doi/10.1111/zsc.12426[details] Available for editors
taxonomy sourceErseus, Christer; Kallersjo, Mari. (2004). 18S rDNA phylogeny of Clitellata (Annelida). <em>Zoologica Scripta.</em> 33(2): 187-196., available online athttps://doi.org/10.1111/j.1463-6409.2004.00146.x[details] Available for editors
context source (PeRMS)Luque, J.L., C. Cruces, J. Chero, F. Paschoal, P.V. Alves, A.C. Silva, L. Sanchez & J. Iannacone. (2016). Checklist of metazoan parasites of fishes from Peru. Lista de verificaci�n de los metazoos par�sitos de peces de Per�. <em>Neotropical Helminthology.</em> 10(2), jul-dic: 301-375.[details] Available for editors
additional sourceMagalh�es, Wagner F.; Hutchings, Pat; Oceguera-Figueroa, Alejandro; Martin, Patrick; Schmelz, R�diger M.; Wetzel, Mark J.; Wiklund, Helena; Maciolek, Nancy J.; Kawauchi, Gisele Y.; Williams, Jason D. (2021). Segmented worms (Phylum Annelida): a celebration of twenty years of progress through <em>Zootaxa</em> and call for action on the taxonomic work that remains. <em>Zootaxa.</em> 4979(1): 190-211., available online athttps://www.biotaxa.org/Zootaxa/article/view/zootaxa.4979.1.18[details] Available for editors
additional sourceKlinth, M�rten; Kreiling, Agnes-Katharina; Erseus, Christer. (2019). Investigating the Clitellata (Annelida) of Icelandic springs with alternative barcodes. <em>Fauna norvegica.</em> 39: 119-132., available online athttps://www.ntnu.no/ojs/index.php/fauna_norvegica/article/view/3043 note: Checklist for Iceland. Includes an updated list of Icelandic Clitellata with references [details] Available for editors
Present Inaccurate Introduced: alien Containing type locality