Abstract
The following species of Enchytraeidae are described from Rocky Mountain forest soils of the Kananaskis Valley, Alberta: Henlea perpusilla, Henlea nasuta, Enchytraeus buchholzi, Fridericia bulboides, Marionina argentea, Marionina canadensis, Marionina craggi, Cernosvitoviella christenseni, Mesenchytraeus armatus kananaskis, and Bryodrilus parvus kananaskis. Except Henlea nasuta, all are new records for Canada and they include three new species and two new varieties. These descriptions bring the number of North American species to about 122.

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