spirillifera Hammer, 1953: 25 . Micranurida .

Syntype: 2 (slide) Canada. [Northwest Territories], Yellowknife, 384, [11–21.vii.] 1948, [dripping wet moss, liverwort, Eriophorum, Carex and Salix], M. Hammer (CNC 165115, Type No. 18190).