Literature
- Cernosvitov, L. 1937c. Zur Kenntnis der Enchytraeiden. III. Revision der Friendschen Enchytraeidentypen. Zoologischer Anzeiger 117(7/8): 191-205.
- Cernosvitov, L. 1942. Revision of Friend's types and descriptions of British Oligochaeta. Proceedings of the Zoological Society of London (2)111(3-4): 237-280.
- Friend, H. 1911a. New British Henleas. Zoologist (4)15: 464-468.
- Friend, H. 1913a. A key to British Henleas. Zoologist (4)17: 81.
- Kasprzak, K. 1986. Skaposzczety wodne i glebowe, II. Rodzina: Wazonkowce (Enchytraeidae). PAN, Instytut Zoologii, Warszawa. 366 p.
- Nielsen, C.O. & Christensen, B. 1959. The Enchytraeidae critical revision and taxonomy of European species. Natura Jutlandica 8-9. 160 p.