I. Gyrophaena (Gyrophaena) nana species group

1. Gyrophaena (Gyrophaena) nana (Paykull, 1800: 408) * (CANADA: Alberta, British Columbia, Manitoba, Ontario, and Yukon Territory; UNITED

STATES: Alaska, Maine, Massachusetts, Michigan, Montana, Wisconsin, and Wyoming).

2. Gyrophaena (Gyrophaena) neonana Seevers, 1951: 679 (CANADA: Yukon Territory; UNITED STATES: Indiana, North Carolina, Pennsylvania, and Wisconsin) .