Species that contain: Boleichthys and exilis [ 1 ] records

exilis, Boleichthys Girard [C. F.] 1859:103 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 11; ref. 27409] Little Muddy River, a tributary of upper Missouri River, North Dakota, U.S.A. Syntypes: MCZ 24728 [ex USNM 1336 and MCZ 114] (6), SMNS 12135 [ex USNM and MCZ] (1), UMMZ 86492 (1), USNM 1336 (24). Type catalog: Collette & Knapp 1967:13 [ref. 20211]. •Valid as Etheostoma exile (Girard 1859) -- (Lee et al. 1980:646 [ref. 22416], Kuehne & Barbour 1983:133 [ref. 38055], Page 1983:152 [ref. 22189], Smith 1986:324 [ref. 22186], McAllister 1990:143 [ref. 14674], Page & Burr 1991:325 [ref. 18983], Baxter & Stone 1995:244 [ref. 23374], Chereshnev 1996:606 [ref. 24659], Scott & Crossman 1998:783 [ref. 24570], Fuller et al. 1999:381 [ref. 25838], Lyons et al. 2000:45 [ref. 26594], Bailey et al. 2004:192 [ref. 27882], Nelson et al. 2004:133 [ref. 27807], Scharpf 2008:25 [ref. 30399], Page & Burr 2011:601 [ref. 31215], Page et al. 2013:137 [ref. 32708], Page et al. 2023:199 [ref. 40505]). Current status: Valid as Etheostoma exile (Girard 1859). Percidae: Etheostomatinae. Distribution: North America: Hudson Bay and much of Canada, Greast Lakes region, and south to Ohio, Illinois and Colorado (U.S.A.). Habitat: freshwater.