signipinnis, Notropis Bailey [R. M.] & Suttkus [R. D.] 1952:1, Pls. 1, 2b [Occasional Papers of the Museum of Zoology University of Michigan No. 542; ref. 12765] Maletts Spring Branch, about 6 miles southeast of Lucedale, George County, Mississippi, U.S.A. Holotype: UMMZ 157117. Paratypes: TU 1133 (164), UMMZ 155477 (173, now 153), USNM 163256 [ex UMMZ 155447] (20). Plus 3,323 additional specimens at CU, MCZ, TU, UMMZ and USNM. Type catalog: Suttkus 1970:121 [ref. 20861], Gilbert 1978:79-80 [ref. 7042], Bart & Taylor 1993:43 [ref. 20906], Gilbert 1998:147 [ref. 23395]. •Valid as Notropis signipinnis Bailey & Suttkus 1952 -- (Gilbert 1978:80 [ref. 7042], Lee et al. 1980:309 [ref. 22416], Dimmick 1987:316 [ref. 11406], Suttkus & Mettee 2001:38 [ref. 25253]). •Valid as Pteronotropis signipinnis (Bailey & Suttkus 1952) -- (Page & Burr 1991:118 [ref. 18983], Boschung 1992:59 [ref. 23239], Mettee et al. 1996:311 [ref. 25836], Gilbert 1998:147 [ref. 23395], Simons et al. 2000:1068 [ref. 25101], Ross et al. 2001:244 [ref. 25978], Nelson et al. 2004:77 [ref. 27807], Boschung & Mayden 2004:276 [ref. 27995], Scharpf 2005:36 [ref. 28940], Page & Burr 2011:231 [ref. 31215], Page et al. 2013:77 [ref. 32708], Mayden & Allen 2015:[3] [ref. 34137], Mayden & Allen 2015:19 [ref. 35436], Robins et al. 2018:122 [ref. 35886], Stout et al. 2022:7 [ref. 39738], Bagley et al. 2023:315 [ref. 41241], Page et al. 2023:75 [ref. 40505]). Current status: Valid as Pteronotropis signipinnis (Bailey & Suttkus 1952). Leuciscidae: Pogonichthyinae. Distribution: Eastern North America: Florida to Louisiana (southeastern U.S.A.). Habitat: freshwater.