labialis, Fundulus Günther [A.] 1866:319 [Catalogue of the fishes in the British Museum v. 6; ref. 1983] Río San Geronima, Guatemala. Lectotype: BMNH 1864.1.26.192a. Paralectotypes: BMNH 1861.8.12.17-19 (3), 1864.1.26.192b-c (3), 1864.1.26.390 (2). Lectotype selected by Miller 1955 [ref. 33482] -- (R, Morgenstern, 8/30/2014). •Valid as Profundulus labialis (Günther 1866) -- (Parenti 1981:492 [ref. 7066], Espinosa Pérez et al. 1993:37 [ref. 22290], Lazara 2001:261 [ref. 25711], Nelson et al. 2004:101 [ref. 27807], Miller 2006:318 [ref. 28615], Scharpf 2007:11 [ref. 30398], Matamoros & Schaefer 2010:1498 [ref. 30784], Matamoros et al. 2012:58 [ref. 32307], Page et al. 2013:103 [ref. 32708]). •Valid as Tlaloc labialis (Günther 1866)-- (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], López-Segovia et al. 2020:111 [ref. 38151], Calixto-Rojas et al. 2021:[7] [ref. 38250], Domínguez-Cisneros et al. 2023:13 [ref. 40116]). Current status: Valid as Tlaloc labialis (Günther 1866). Profundulidae. Distribution: Southern North America, Central America: Atlantic Slope of Guatemala and Mexico. Habitat: freshwater.