IX. Gyrophaena (Gyrophaena) affinis species group

12. Gyrophaena (Gyrophaena) affinis Sahlberg, 1834: 383 † (CANADA: British Columbia, Manitoba, New Brunswick, Nova Scotia, and Quebec; UNITED STATES: District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New Mexico, New York, North Carolina, Pennsylvania, Tennessee, Washington, West Virginia, and Wisconsin) .

Gyrophaena subpunctata Casey, 1906: 299 .

Gyrophaena lacustris Casey, 1906: 299 .

13. Gyrophaena (Gyrophaena) dybasi Seevers, 1951: 697 (CANADA: New Brunswick; UNITED STATES: Illinois, Indiana, Missouri, North Carolina, and Wisconsin) .