tuxtlaensis, Heterandria McEachran [J. D.] & DeWitt [T. J.] 2008:49, Figs. 1-4 [Zootaxa No. 1824; ref. 29720] South shore near Miniagua, Laguna Catemaco, Veracruz, Mexico. Holotype: UMMZ 248620. Paratypes: AMNH 242324 (15); IBUNAM 14632 (15); TCWC 762.03 (77); UMMZ 248621 (15); USNM 392813 [not 14632] (15). Plus non-type material. •Valid as Heterandria tuxtlaensis McEachran & DeWitt 2008 -- (Scharpf 2008:6 [ref. 30399], Page et al. 2013:109 [ref. 32708]). •Valid as Pseudoxiphophorus tuxtlaensis (McEachran & DeWitt 2008) -- (Meyer 2015:348 [ref. 34698], Huber 2019:139 [ref. 36941], Page et al. 2023:148 [ref. 40505]). Current status: Valid as Pseudoxiphophorus tuxtlaensis (McEachran & DeWitt 2008). Poeciliidae: Poeciliinae. Distribution: Southern North America: Laguna Catemaco and tributaries, and Rio Grande de Catemaco, Veracruz (Mexico). Habitat: freshwater.