macularius, Cyprinodon Baird [S. F.] & Girard [C. F.] 1853:389 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 6; ref. 15636] Rio San Pedro, tributary to Gila River, Arizona, U.S.A. Syntypes: ANSP 7219 [ex USNM] (1); ?MCZ 1313 (3), MCZ 1472 (2); USNM 992 (8, missing). Type catalog: Böhlke 1984:96 [ref. 13621]. •Valid as Cyprinodon macularius Baird & Girard 1853 -- (Lee et al. 1980:497 [ref. 22416], Hendrickson & Romero 1989:478 [ref. 22444], Page & Burr 1991:228 [ref. 18983], Espinosa Pérez et al. 1993:33 [ref. 22290], Swift et al. 1993:121 [ref. 22379], Zengel & Glenn 1996:73 [ref. 25513], Echelle & Echelle 1998:854 [ref. 23614], Fuller et al. 1999:326 [ref. 25838], Echelle et al. 2000:353 [ref. 24453], Lazara 2001:87 [ref. 25711], Minckley et al. 2002:691 [ref. 26222], Moyle 2002:326 [ref. 26449], Nelson et al. 2004:108 [ref. 27807], Miller 2006:305 [ref. 28615], Scharpf 2007:32 [ref. 30398], Minckley & Marsh 2009:239 [ref. 31114], Page & Burr 2011:457 [ref. 31215], Page et al. 2013:107 [ref. 32708], Lozano-Vilano & De la Maza-Benignos 2016:24 [ref. 35401], Esmaeili et al. 2018:14 [ref. 36738]). Current status: Valid as Cyprinodon macularius Baird & Girard 1853. Cyprinodontidae: Cyprinodontinae. Distribution: North America: southwestern U.S.A. (Arizona and California) and northern Mexico. Habitat: freshwater.