peninsulae, Pseudoxiphophorus bimaculatus Hubbs [C. L.] 1936:230, Pl. 8 (fig. 1) [Carnegie Institution of Washington Publications No. 457 (art. 17); ref. 2247] Vicinity of Progreso, Yucatán, Mexico. Holotype: UMMZ 102078. Paratypes: UMMZ 102079 (1). •Synonym of Heterandria bimaculata (Heckel 1848) -- (Rosen & Bailey 1963:131 [ref. 7067], Lucinda in Reis et al. 2003:562 [ref. 27061]). •Synonym of Pseudoxiphophorus bimaculatus (Heckel 1848) -- (Meyer 2015:338 [ref. 34698], Huber 2019:138 [ref. 36941]). Current status: Synonym of Pseudoxiphophorus bimaculatus (Heckel 1848). Poeciliidae: Poeciliinae. Habitat: freshwater.