Subfamily Troginae MacLeay, 1819

Omorgus (Omorgus) fuliginosus (Robinson, 1941) . Source: Deloya 1996

Omorgus (Omorgus) rubricans (Robinson, 1946) . Source: Deloya 2000b

Omorgus (Omorgus) scutellaris (Say, 1823) . Source: Bates 1886 —1890

Omorgus (Omorgus) suberosus (Fabricius, 1775) . Source: Deloya & Morón 1994

Omorgus (Omorgus) tessellatus (LeConte, 1854) . Source: Deloya & Morón 1994

Trox (Trox) aequalis Say, 1831 . Source: Deloya 1996

Trox (Trox) plicatus Robinson, 1940 . Source: Deloya 2000b

Trox (Trox) spinulosus Robinson, 1940 . Source: Deloya 1996