bairdii, Cottus Girard [C. F.] 1850:410 [Proceedings of AAAS (The American Association for the Advancement of Science) 2nd meeting, 1849; ref. 18123] Mahoning River, Portland, Ohio; tributaries to Ohio River in Pennsylvania, U.S.A. Syntypes: none known. See also Girard 1850:189 [ref. 1814]. •Valid as Cottus bairdii Girard 1850 [often incorrectly as bairdi; sometimes with subspecies] -- (Bailey & Bond 1963:1 [ref. 3934] as bairdi, Lee et al. 1980:805 [ref. 22416], Smith 1986:355 [ref. 22186], McAllister 1990:196 [ref. 14674] as bairdi, Page & Burr 1991:250 [ref. 18983], Boschung 1992:102 [ref. 23239], Etnier & Starnes 1993:384 [ref. 22809], Jenkins & Burkhead 1994:639 [ref. 21581], La Rivers 1994:585 [ref. 23389], Baxter & Stone 1995:220 [ref. 23374], Stauffer et al. 1995:250 [ref. 23376], Andersen & Deacon 1996:124 [ref. 24717], Chereshnev 1996:605 [ref. 24659], Mettee et al. 1996:491 [ref. 25836], Sigler & Sigler 1996:230 [ref. 25943], Scott & Crossman 1998:826 [ref. 24570] as bairdi, Fuller et al. 1999:340 [ref. 25838] as bairdi, Broughton 2000:653 [ref. 24593] as bairdi, Lyons et al. 2000:42 [ref. 26594] as bairdi, Markle & Hill 2000:202 [ref. 24886] as bairdi, Kinziger et al. 2000:1007 [ref. 25019], Gasper et al. 2001:264 [ref. 25578] as bairdi, Wydoski & Whitney 2003:205 [ref. 27816] as bairdi, Bailey et al. 2004:170 [ref. 27882], Nelson et al. 2004:119 [ref. 27807], Boschung & Mayden 2004:419 [ref. 27995], Robins 2005:4 [ref. 28230], McPhail 2007:463 [ref. 31199], Scharpf 2008:7, 9 [ref. 30399], Minckley & Marsh 2009:308 [ref. 31114] as bairdi, Kinziger & Wood 2010:59 [ref. 30701], Page & Burr 2011:475 [ref. 31215], Page et al. 2013:122 [ref. 32708], LeMone et al. 2014:249 [ref. 33134] as cf. bairdii, Goto et al. 2014:[10] [ref. 33456], Young et al. 2022:333 [ref. 39356]). Current status: Valid as Cottus bairdii Girard 1850. Cottidae. Distribution: Widespread in North America. Habitat: freshwater.