tetrazonus, Poecilichthys Hubbs [C. L.] & Black [J. D.] 1940:11, Pl. 1 (fig. 1) [Occasional Papers of the Museum of Zoology University of Michigan No. 416; ref. 10848] Big Niangua River at mouth of Greasy Creek, tributary of the Osage River drainage, 6 miles southeast of Buffalo, Dallas County, Missouri, U.S.A. Holotype: UMMZ 111330. Paratypes: UMMZ 124600 (1). Type catalog: Collette & Knapp 1967:67 [ref. 20211]. •Valid as Etheostoma tetrazonum (Hubbs & Black 1940) -- (Lee et al. 1980:701 [ref. 22416], Kuehne & Barbour 1983:84 [ref. 38055], Page 1983:61 [ref. 22189], Page & Burr 1991:297 [ref. 18983], Switzer & Wood 2002:450 [ref. 26023], Nelson et al. 2004:136 [ref. 27807], Scharpf 2008:33 [ref. 30399], Switzer & Wood 2009:1 [ref. 30415], Page & Burr 2011:548 [ref. 31215], Page et al. 2013:140 [ref. 32708], Stephens et al. 2014:544 [ref. 33552], Page et al. 2023:201 [ref. 40505]). Current status: Valid as Etheostoma tetrazonum (Hubbs & Black 1940). Percidae: Etheostomatinae. Distribution: North America: Gasconade, Osage and Moreau river drainages, Missouri (U.S.A.). Habitat: freshwater.