vantynei, Mollienesia sphenops Hubbs [C. L.] 1935:11, Pl. 2 (fig. 1) [Miscellaneous Publications, Museum of Zoology, University of Michigan No. 28; ref. 11676] Río Hondo basin, Uaxactún, Guatemala. Holotype: UMMZ 97874. Paratypes: UMMZ 97875 (17). •Synonym of Poecilia sphenops Valenciennes 1846 -- (Rosen & Bailey 1963:52 [ref. 7067], Lucinda in Reis et al. 2003:569 [ref. 27061]). •Synonym of Poecilia mexicana Steindachner 1863 -- (Poeser 2003:47 [ref. 26769], Poeser 2003:162 [ref. 26783], Poeser 2003:359 [ref. 27075], Meyer 2015:239 [ref. 34698], Huber 2019:122 [ref. 36941]). Current status: Synonym of Poecilia mexicana Steindachner 1863. Poeciliidae: Poeciliinae. Habitat: freshwater, brackish.