sayanus, Scolopsis Gilliams [J.] 1824:81, Pl. 3 [Journal of the Academy of Natural Sciences, Philadelphia v. 4 (pt 1); ref. 18120] Fish pond at Harrowgate, near Philadelphia, Pennsylvania, U.S.A. Syntypes: (3) ANSP 12690 (1). Type catalog: Böhlke 1984:20 [ref. 13621]. •Valid as Aphredoderus sayanus (Gilliams 1824) [often as the subspecies sayanus] -- (Lee et al. 1980:484 [ref. 22416], Smith 1986:256 [ref. 22186], Robison & Buchanan 1988:324 [ref. 23393], Tomelleri & Eberle 1990:133 [ref. 24089], Page & Burr 1991:212 [ref. 18983], Boschung 1992:72 [ref. 23239], Boltz & Stauffer 1993 [ref. 20308] as a subspecies, Etnier & Starnes 1993:353 [ref. 22809], Jenkins & Burkhead 1994:593 [ref. 21581], Warren et al. 1994:133 [ref. 25557], Knight & Hastings 1994:150 [ref. 25560], Mettee et al. 1996:431 [ref. 25836], Fuller et al. 1999:273 [ref. 25838], Lyons et al. 2000:41 [ref. 26594], Ross et al. 2001:343 [ref. 25978], Poly 2004:2 [ref. 27585] as a valid subspecies, Nelson et al. 2004:90 [ref. 27807], Bailey et al. 2004:161 [ref. 27882], Miller & Robison 2004:260 [ref. 27931], Boschung & Mayden 2004:361 [ref. 27995], Scharpf 2006:35 [ref. 30386], Page & Burr 2011:417 [ref. 31215] with 2 subspecies, Page et al. 2013:91 [ref. 32708], Kottelat 2013:349 [ref. 32989], Armbruster et al. 2016:775 [ref. 34835], Robins et al. 2018:177 [ref. 35886] with 2 subspecies, Page et al. 2023:99 [ref. 40505], Muller & Simons 2024:83 [ref. 40853]). Current status: Valid as Aphredoderus sayanus (Gilliams 1824). Aphredoderidae. Distribution: North America: York River drainage, Virginia, north to coastal drainages in South Long Island, New York, eastern U.S.A. Habitat: freshwater.