ceciliae, Cyprinodon Lozano-Vilano [M. de L.] & Contreras-Balderas [S.] 1993:305, Figs. 3d, 4c [Ichthyological Exploration of Freshwaters v. 4 (no. 4); ref. 21105] Ojo de Agua la Presa, at San Juan de Avilés, 24°11'87"N, 100°04'34"W, Aramberri, Nuevo León, Mexico. Holotype: UANL 8287. Paratypes: AMNH 47837 (2); IBUNAM-P 3237 (2); IPN P4434 (2); TNHC 17462 (2); TU 157270 (2); UAIC 9350.1 (2); UANL 8288-90 (24, 19, 4); UMMZ 215483 (2); USNM 308114 (2). Type catalog: Contreras-Balderas et al. 1998:4 [ref. 23752]. Now extinct -- (Lazara 2001:83 [ref. 25711]). •Valid as Cyprinodon ceciliae Lozano-Vilano & Contreras-Balderas 1993 [now extinct] -- (Contreras-Balderas & Lozano-Vilano 1996:36 [ref. 22301], Echelle & Echelle 1998:854 [ref. 23614], Lozano-Vilano & Contreras-Balderas 1999:382 [ref. 23796], Lazara 2001:83 [ref. 25711], Lozano-Vilano 2002:22 [ref. 27832], Nelson et al. 2004:108 [ref. 27807], Miller 2006:300 [ref. 28615], Scharpf 2007:31 [ref. 30398], Page et al. 2013:107 [ref. 32708], Lozano-Vilano & De la Maza-Benignos 2016:18 [ref. 35401], Esmaeili et al. 2018:11 [ref. 36738], Page et al. 2023:142 [ref. 40505]). Current status: Valid as Cyprinodon ceciliae Lozano-Vilano & Contreras-Balderas 1993. Cyprinodontidae: Cyprinodontinae. Distribution: Southern North America: Ojo de Agua La Presa spring (Mexico) [extinct in the wild]. Habitat: freshwater.