gibbomucronata Hammer, 1953: 17. Ceratophysella.

Holotype: 1 (slide) Canada. [Northwest Territories], Reindeer St[ation], 160, [9–18.vi.] 1948, [among very wet dead leaves in alder shrub not far from the riverbank], M. Hammer (CNC 165125, Type No.18186).