tropicus, Notropis Hubbs [C. L.] & Miller [R. R.] 1975:122, Figs. 1-2 [Southwestern Naturalist v. 20 (no. 1); ref. 7426] Río Guayalejo at Llera, Tamaulipas, Mexico. Holotype: UMMZ 193804. Paratypes: UMMZ 97409-12 (1, 1, 1, now 1), 124324 (1), 124344 (1), 161656 (1), 162109 (3), 162110 (28, 5 c&s), 169498 (1), 180033 (46), 192897 (49, 6 c&s), 193806 (2). Type catalog: Gilbert 1978:84-85 [ref. 7042], Gilbert 1998:158 [ref. 23395]. •Valid as Notropis tropicus Hubbs & Miller 1975 -- (Gilbert 1978:85 [ref. 7042], Chernoff & Miller 1986:181 [ref. 6782], Espinosa Pérez et al. 1993:19 [ref. 22290], Gilbert 1998:158 [ref. 23395], Nelson et al. 2004:76 [ref. 27807], Lyons & Mercado-Silva 2004:873 [ref. 28048], Scharpf 2005:33 [ref. 28940], Miller 2006:136 [ref. 28615], Page et al. 2013:76 [ref. 32708], Page et al. 2023:74 [ref. 40505]). Current status: Valid as Notropis tropicus Hubbs & Miller 1975. Leuciscidae: Pogonichthyinae. Distribution: Southern North America: Atlantic Slope (Mexico). Habitat: freshwater.