hildebrandi, Profundulus Miller [R. R.] 1950:22, Pl. 1 [Copeia 1950 (no. 1); ref. 10407] Closed basin of San Cristóbal de las Casas, Atlantic drainage of Chiapas, Mexico, elevation 2200 meters. Holotype: UMMZ 157633. Paratypes: (515) CJA (9); AMNH 19507 [ex UNSM 157634] (10); BMNH 1952.5.7.1-11 [ex UMMZ] (?11); UANL 6193 [ex UMMZ 157634] (12); UMMZ 157634 (orig. 485, now 419, 5 c&s), 157652 (30); USNM 112074 (30). Type catalog: Contreras-Balderas et al. 1998:3-4 [ref. 23752]. •Valid as Profundulus hildebrandi Miller 1950 -- (Parenti 1981:492 [ref. 7066], Espinosa Pérez et al. 1993:37 [ref. 22290], Lazara 2001:261 [ref. 25711], Velázquez-Velázquez & Schmitter-Soto 2004:201 [ref. 27577], Nelson et al. 2004:101 [ref. 27807], Miller 2006:318 [ref. 28615], Scharpf 2007:11 [ref. 30398], Matamoros & Schaefer 2010:1499 [ref. 30784], Matamoros et al. 2012:58 [ref. 32307], Page et al. 2013:103 [ref. 32708]). •Valid as Tlaloc hildebrandi (Miller 1950) -- (Ornelas-Garcia et al. 2015:927 [ref. 34061], Morcillo et al. 2016:250 [ref. 34082], Lozano-Vilano & De la Maza-Benignos 2016:7 [ref. 35401], Domínguez Cisneros et al. 2017:13 [ref. 37382], Calixto-Rojas et al. 2021:[7] [ref. 38250], Velázquez-Velázquez et al. 2022:264 [ref. 40516], Domínguez-Cisneros et al. 2023:13 [ref. 40116], Page et al. 2023:143 [ref. 40505]). Current status: Valid as Tlaloc hildebrandi (Miller 1950). Profundulidae. Distribution: Southern North America: San Cristóbal de las Casas basin (Chiapas, Mexico) endemic. Habitat: freshwater.