Ptinidae Latreille, 1802
Niptus abditus Brown, 1959
Niptus absconditus Spilman, 1968
Niptus abstrusus Spilman, 1968
Niptus arcanus Aalbu & Andrews, 1992
Niptus giulianii Aalbu & Andrews, 1992
Niptus hololeucus (Falderman, 1836)
Niptus neotomae Aalbu & Andrews, 1992
Niptus sleeperi Aalbu & Andrews, 1992
Niptus ventriculus LeConte, 1859
