longidorsalis, Cyprinodon Lozano-Vilano [M. de L.] & Contreras-Balderas [S.] 1993:297, Figs. 3a, 4a [Ichthyological Exploration of Freshwaters v. 4 (no. 4); ref. 21105] Charco la Palma, 24°04'N, 100°05.3'W, interior basin of Llanos de Salas, Aramberri, Nuevo León, Mexico. Holotype: UANL 8281. Paratypes: IBUNAM-P 3235 (2); IPN P4437 (2); UANL 8282-86 (1, 4, 5, 1, 2), 8317 (1), 9027 (3); UMMZ 215481 (2); USNM 308116 (2). Type catalog: Contreras-Balderas et al. 1998:4 [ref. 23752] but not UANL 8293. Now extinct -- (Contreras-Balderas & Lozano-Vilano 1996:34 [ref. 22301]). •Valid as Cyprinodon longidorsalis Lozano-Vilano & Contreras-Balderas 1993 -- (Lozano-Vilano & Contreras-Balderas 1999:382 [ref. 23796], Lazara 2001:87 [ref. 25711], Lozano-Vilano 2002:21 [ref. 27832], Nelson et al. 2004:108 [ref. 27807], Miller 2006:304 [ref. 28615], Scharpf 2007:32 [ref. 30398], Page et al. 2013:107 [ref. 32708], Lozano-Vilano & De la Maza-Benignos 2016:23 [ref. 35401], Esmaeili et al. 2018:13 [ref. 36738], Page et al. 2023:142 [ref. 40505]). Current status: Valid as Cyprinodon longidorsalis Lozano-Vilano & Contreras-Balderas 1993. Cyprinodontidae: Cyprinodontinae. Distribution: Southern North America: Charco la Palma, Nuevo León (Mexico) [extinct in wild]. Habitat: freshwater.