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- New Englands och Canadas Lumbricider. Öfversigt af Kongliga Vetenskaps-Akademiens Förhandlingar 31(2): 41-49.
- Eisen 1873
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- Eisen 1879a
- On the Oligochaeta collected during the Swedish expeditions to the arctic regions in the years 1870, 1875 and 1876. Kongliga Svenska Vetenskaps-Akademiens Handlingar 15(7): 1-49.
- Eisen 1878
- Redogörelse för Oligochaeter, samlade under de Svenska expeditionerna till Arktiska trakter. Öfversigt af Kongliga Vetenskaps-Akademiens Förhandlingar 35(3): 63-79.
- Eisen 1879b
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- Erséus 1999
- Parvidrilus strayeri, a new genus and species, an enigmatic interstitial clitellate from underground waters in Alabama. Proceedings of the Biological Society of Washington 112(2): 327-337.
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- A generic revision of the Phallodrilinae (Oligochaeta, Tubificidae). Zoologica Scripta 21(1): 5-48.
- Erséus 1990
- Cladistic analysis of the subfamilies within the Tubificidae (Oligochaeta). Zoologica Scripta 19(1): 57-63.
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- An Italian record of the aquatic oligochaete Monopylephorus limosus (Tubificidae), previously known only from Japan and China. Bollettino di Zoologia 53: 115-118.
- Erséus 1992
- The taxonomy of Spiridion Knöllner (Oligochaeta, Tubificidae), with a redescription of Spiridion phreaticola (Juget, 1987) comb. n. Stygologia 7(2): 77-83.
- Erséus 1994
- First records of the allochthonous species Dichogaster saliens and D. bolaui (Oligochaeta: Octochaetidae) from Sweden. Megadrilogica 6(2): 17-20.