STAPHYLINIDAE
	Omaliinae
		Omaliini
			Omalium cribrum Fauvel  (9)
	Tachyporinae
		Deropini
			Derops divalis (Sanderson)  (22)
		Tachyporini
			Coproporus ventriculus (Say)  (5)
			Tachinus flavipennis Dejean  (5)
			Tachyporus elegans Horn  (6)
			T. jocosus Say  (7,9,10)
		Mycetoporini
			Lordithon thoracicus venustus (Melsheimer)  (8)
	Aleocharinae
		Deinopsini
			Adinopsis bicornis Klimaszewski  (21)
			A. myllaenoides Kraatz  (21)
			Deinopsis illinoisensis Klimaszewski  (21)
			D. rapida Casey  (21)
			D. stephani Klimaszewski & Frank  (21)
		Aleocharini
			Aleochara bimaculata Gravenhorst  (1,20)
			A. fumata Gravenhorst  (19)
			A. lacertina Sharp  (19)
			A. lata Gravenhorst  (19,20)
			A. lustrica Say  (19,20)
			A. notula Erichson  (9,19,20)
			A. speculicollis Bernhauer  (20)
			A. verna Say  (20)
			A. villosa Mannerheim  (20)
		Hoplandriini
			Hoplandria lateralis (Melsheimer)  (12)
		Oxypodini
			Haploglossa sp.  (22)
			Oxypoda sp.  (9)
		Myllaenini
			Myllaena ludificans Casey  (18)
		Lomechusini
			Xenodusa cava (LeConte)  (2)
			Drusilla sp.  (22)
			Meronera venustula (Erichson)  (9)
			Zyras planifer (Casey)  (5)
	Oxytelinae
		Thinobiini
			Bledius consimilis Fall  (15,17)
			B. emarginatus (Say)  (16)
			B. forcipatus LeConte  (14,16,17)
			B. ineptus Casey  (15,17)
			B. mandibularis Erichson  (14,17)
			B. melanocephalus (Say)  (15)
			B. notialis Herman  (15,16,17)
			B. pallipennis (Say)  (14,17)
			B. playanus (Herman)  (14,17)
			B. rubiginosus Erichson  (14,16,17)
			B. semiferrugineus LeConte  (16)
	Megalopsidiinae
			Megalopinus caelatus (Gravenhorst)  (22)
			M. rufipes (LeConte)  (22)
	Steninae
			Stenus sp.  (9)
	Paderinae
		Paederini
			Lathrobium sp.  (9)
			Lobrathium filitarsis Casey  (23)
			Sunius confluentus (Say)  (5)
			Scopaeus sp.  (9)
			Astenus discopunctatus Say  (9)
			Biocrypta prospiciens (LeConte)  (22)
			Homaeotarsus cribratum (LeConte)  (5)
	Staphylininae
		Diochini
			Diochus schaumi Kraatz  (24)
		Xantholinini
			Hypnogyra micans (Casey)  (25)
			Lepitacnus pallidulus (LeConte)  (25)
			Lithocharodes nigripennis (LeConte)  (25)
			L. ruficollis (LeConte)  (25)
			Neohypnus emmesus (Gravenhorst)  (24)
			N. fragilis (Casey)  (24)
			N. melanops (Casey)  (25)
			N. pusillus (Sachse)  (24)
			Oxybleptes pusio Smetana  (25)
			Phacophallus tricolor (Kraatz)  (25)
			Stenistoderus rubripennis (LeConte)  (25)
		Staphylinini
			Quedius laticollis (Gravenhorst)  (26)
			Q. peregrinus (Gravenhorst)  (26)
			Q. strenuus Casey  (26)
			Atanygnathus bicolor (Casey)  (26)
			Creophilus maxillosus villosus (Gravenhorst)  (4)
			Platydracus cinnamopterus (Gravenhorst)  (3)
			P. maculosus (Gravenhorst)  (3)
			Gabronthus thermarum (Aube)  (22)
			Neobisnius occidentoides Frank  (11)
			Philonthus occidentalis Horn  (6,13)
			P. hepaticus Erichson  (6,13, as oklahomensis Hatch)
			P. rufulus Horn  (9)
			Bisnius inquitus (Erichson)  (9)
1. In OSU Collection - Det. Chapman
2. In OSU Collection - Det. E. R. Hoebeke
3. In OSU Collection - Det. Newton
4. In OSU Collection - Det. Voris
5. In OSU Collection - Determiner unknown
6. Reported in Coleoptera Catalog
7. Reported by Campbell, 1979
8. Reported by Campbell, 1982
9. Reported by Elliott et al., 2006
10. Reported by Davidson & Shackleford, 1929
11. Reported by Frank, 1981
12. Reported by Genier, 1989
13. Reported by Hatch & Ortenburger, 1930
14. Reported by Herman, 1972
15. Reported by Herman, 1976
16. Reported by Herman, 1983
17. Reported by Herman, 1986
18. Reported by Klimaszewski, 1982
19. Reported by Klimaszewski, 1984
20. Reported by Klimaszewski & Frank, 1992 a
21. Reported by Klimaszewski & Frank, 1992 b
22. Reported by Newton et al., 2001
23. Reported by Shackleford, 1935
24. Reported by Smetana, 1982
25. Reported by Smetana, 1990a
26. Reported by Smetana, 1990b
43 genera - 75 species