tlahuacensis, Evarra Meek [S. E.] 1902:85, Pl. 18 (lower) [Field Columbian Museum, Zoölogical Series v. 3 (no. 6); ref. 2957] Chalco Lake, Tlahuac, Mexico. Holotype (unique): FMNH 3681. Type catalog: Ibarra & Stewart 1987:35 [ref. 12367], Gilbert 1998:157 [ref. 23395]. Extinct. •Valid as Evarra tlahuacensis Meek 1902 [now presumed to be extinct] -- (Espinosa Pérez et al. 1993:14 [ref. 22290], Gilbert 1998:157 [ref. 23395], Nelson et al. 2004:70 [ref. 27807], Scharpf 2005:17 [ref. 28940], Miller 2006:120 [ref. 28615], Page et al. 2013:70 [ref. 32708], Page et al. 2023:69 [ref. 40505]). Current status: Valid as Evarra tlahuacensis Meek 1902. Leuciscidae: Laviniinae. Distribution: Southern North America: Lago de Chalco, Mexico [extinct]. Habitat: freshwater.