Michaelsen, W. (1889). Synopsis der Enchytraeiden. <em>Abhandlungen aus dem Gebiete der Naturwissenschaften.</em> 11: 1-60.[details]
Martin, P.; Reynolds, J.; van Haaren, T. (2025). World List of Marine Oligochaeta. Henlea Michaelsen, 1889. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=137350 on 2025-04-18
original descriptionMichaelsen, W. (1889). Synopsis der Enchytraeiden. <em>Abhandlungen aus dem Gebiete der Naturwissenschaften.</em> 11: 1-60.[details]
original description(ofHepatogaster Cejka, 1909)Cejka, B. (1909). Die Oligochaeten der Russischen in den Jahren 1900-1903 unternommenen Nordpolarexpedition. I. Über eine neue Gattung der Enchytraeiden (Hepatogaster). <em>Mémoires de l'Academie Impériale des Sciences de St.-Pétersbourg 8e série, Cl. Phys.-Math.</em> 29: 1-29.[details]
original description(ofMichaelseniella Černosvitov, 1934)Černosvitov, L. (1934). Zur Kenntnis der Enchytraeiden. II. <em>Zoologischer Anzeiger.</em> 105: 295-305.[details]
basis of recordErséus, C.; Healy, B.M. (2001). Oligochaeta, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 231-234 (look up in IMIS) [details]
Other
additional sourceBeddard, F.E. (1895). A monograph of the order of Oligochaeta. <em>[Book].</em> 769 pp. The Clarendon Press, Oxford., available online athttps://www.biodiversitylibrary.org/item/71343 page(s): 349 [details]
Present Inaccurate Introduced: alien Containing type locality