Staphylinidae Latreille, 1802
Placusa atrata (C. Sahlberg, 1834)
Placusa canadensis Klimaszewski in Klimaszewski, Pelletier, Germain, Hébert, Humble & Winchester, 2001
Placusa complanata Er., 1839
Placusa despecta Erichson, 1839
Placusa incompleta Sjöberg, 1934
Placusa petulans Casey, 1911
Placusa pseudosuecica Klimaszewski in Klimaszewski, Pelletier, Germain, Hébert, Humble & Winchester, 2001
Placusa pumilio (Grav., 1802)
Placusa strata Casey, 1911
Placusa tachyporoides (Waltl, 1838)
Placusa tacomae Casey, 1893
Placusa vaga Casey, 1911
