mandibularis, Dionda Contreras-Balderas [S.] & Verduzco-Martínez [J.] 1977:259, Fig. 1 [Transactions of the San Diego Society of Natural History v. 18 (no. 16); ref. 7058] Creek 7 kilometers south-southeast of Ríoverde, San Luis Potosí, Mexico. Holotype: IBUNAM-P 436. Paratypes: IPN P3679 (2); TU 94115 (2), 94115 [ex UANL 1032] (2); UANL 1032 (orig 13, now 9), 1320 (11); UMMZ 193474 (11, 1 skel.); USNM 325998 [ex UANL 1032] (2). Plus non-type material. Type catalog: Bart & Taylor 1993:32 [ref. 20906], Gilbert 1998:110 [ref. 23395], Contreras-Balderas et al. 1998:3 [ref. 23752]. •Valid as Dionda mandibularis Contreras-Balderas & Verduzco-Martínez 1977 -- (Espinosa Pérez et al. 1993:13 [ref. 22290], Gilbert 1998:110 [ref. 23395], Nelson et al. 2004:70 [ref. 27807], Scharpf 2005:15 [ref. 28940], Miller 2006:118 [ref. 28615]). •Valid as Tampichthys mandibularis (Contreras-Balderas & Verduzco-Martínez 1977) -- (Schönhuth et al. 2008:745 [ref. 29831], Page et al. 2013:78 [ref. 32708], Page et al. 2023:76 [ref. 40505]). Current status: Valid as Tampichthys mandibularis (Contreras-Balderas & Verduzco-Martínez 1977). Leuciscidae: Pogonichthyinae. Distribution: Southern North America: Atlantic Slope (Mexico). Habitat: freshwater.