polli, Hemigrammocharax Roman [B.] 1966:81, Pl. 6 (fig. 12) [Annales, Musée Royal de l'Afrique Centrale, Tervuren, Série in 8o, Sciences Zoologiques No. 150; ref. 9061] Kou River, tributary of the Black Volta River, 30 kilometers north of Bobo-Dioulasso, West Africa. Holotype: MRAC 141464. Paratypes: MRAC 141465-67 (3), 141468-70 (3), 153223-40 (18), 153247-56 (10). •Valid as Hemigrammocharax polli Roman 1966 -- (Daget & Gosse 1984:195 [ref. 6185]). •Synonym of Hemigrammocharax ansorgii (Boulenger 1911) -- (Coenen & Teugels 1989:317 [ref. 13539]). •Synonym of Nannocharax ansorgii Boulenger 1911 -- (Coenen in Lévêque et al. 1990:250 [ref. 21589], Lévèque et al. 1991:140 [ref. 31367], Musschoot 2024:345 [ref. 40817]). Current status: Synonym of Nannocharax ansorgii Boulenger 1911. Distichodontidae. Habitat: freshwater.