Staphylinidae Latreille, 1802
Omalium allardi Fairm. Bris., 1859
Omalium allardii Fairmaire & Brisout de Barneville, 1859
Omalium amicale Gistel, 1857
Omalium asturicum Fauvel, 1900
Omalium blattoides Guerin-Meneville, 1829
Omalium bulgaricum Zerche, 1988
Omalium caesum Grav., 1806
Omalium cantabricum Coiffait, 1966
Omalium cerrutii Zanetti, 1985
Omalium cinnamomeum Kraatz, 1857
Omalium collare Lentz, 1856
Omalium cursor Gravenhorst, 1806
Omalium deubeli Bernhauer, 1915
Omalium doderoi Zanetti, 1980
Omalium escayraci Saulcy, 1864
Omalium espanoli Jarrige, 1952
Omalium excavatum Steph., 1834
Omalium exiguum Gyll., 1910
Omalium ferrugineum Kraatz, 1857
Omalium funebre Fauvel, 1871
Omalium fuscum Stephens, 1834
Omalium henroti Coiffait, 1976
Omalium hilare Gistel, 1857
Omalium holtzi Bernhauer, 1943
Omalium hypsibioticum Gistel, 1857
Omalium imitator Luze, 1906
Omalium italicum Bernh., 1902
Omalium jamesi Jarrige, 1946
Omalium laeviusculum Gyll., 1827
Omalium laticolle Kraatz, 1857
Omalium latum Stephens, 1834
Omalium littorale Kraatz, 1857
Omalium lokayi Fleischer, 1897
Omalium mesomelas Holme, 1842
Omalium minus Mulsant & Rey, 1880
Omalium monticulum Grimmer, 1841
Omalium muensteri Bernhauer, 1901
Omalium nigriceps Kiesenwetter, 1850
Omalium ocellatum Wollaston, 1854
Omalium oxyacanthae Grav., 1806
Omalium poggii Zanetti, 1985
Omalium punicantipenne Grimmer, 1841
Omalium riparium (Thomson, 1856)
Omalium rivulare (Payk., 1798)
Omalium rugatum Muls.Rey, 1880
Omalium rugulipenne (Rye, 1856)
Omalium saulcyi Fauvel, 1875
Omalium sculpticolle Wollaston, 1864
Omalium septentrionis Thoms., 1856
Omalium strigicolle Wankowiez, 1869
Omalium subrugosum Stephens, 1834
Omalium validum Kr., 1858
Omalium xambeui Fauvel, 1876
