radiosus, Poecilichthys whipplii Hubbs [C. L.] & Black [J. D.] 1941:10, Pl. 1 (fig. 1) [Occasional Papers of the Museum of Zoology University of Michigan No. 429; ref. 10850] Sugar Loaf Creek, tributary of Caddo River, on US highway 70, Ouachita River system, Hot Spring County, Arkansas, U.S.A. Holotype: UMMZ 123080. Paratypes: UMMZ (18 lots); USNM 36419 (5), 36442 (19), 42766 (1); probable types: TU 52871-73 (1, 5, 2). Type catalog: Collette & Knapp 1967:69-70 [ref. 20211], Suttkus 1970:127 [ref. 20861], Bart & Taylor 1993:65 [ref. 20906]. •Valid as Etheostoma radiosum (Hubbs & Black 1941) -- (Lee et al. 1980:685 [ref. 22416], Kuehne & Barbour 1983:142 [ref. 38055], Page 1983:125 [ref. 22189], Robison & Buchanan 1988:436 [ref. 23393], Retzer et al. 1986:631 [ref. 22453], Matthews & Gelwick 1988:543 [ref. 20729], Page & Burr 1991:312 [ref. 18983], Nelson et al. 2004:135 [ref. 27807], Miller & Robison 2004:370 [ref. 27931], Scharpf 2008:30 [ref. 30399] with subspecies, Page & Burr 2011:575 [ref. 31215] with 3 subspecies, Page et al. 2013:139 [ref. 32708], Page et al. 2023:201 [ref. 40505]). Current status: Valid as Etheostoma radiosum (Hubbs & Black 1941). Percidae: Etheostomatinae. Distribution: North America: Arkansas, Oklahoma and Texas (southern-central U.S.A.). Habitat: freshwater.