passionis, Anostomoides Santos [G. M. dos] & Zuanon [J.] 2006:60, Figs. 1-3 [Zootaxa No. 1168; ref. 28618] Rio Xingu, Viracebo do Arros, 3°25'15.7"S, 51°55'08.3"W, State of Pará, Brazil. Holotype: INPA 13182. Paratypes: INPA 4042 (1), 4043 (2), 13196 (1), 14876 (1); MZUSP 86083 [ex INPA 4043] (1); ZUEC 3386 (1). •Synonym of Anostomoides nattereri (Steindachner 1876) -- (Assega & Birindelli 2019:136 [ref. 36847]). •Synonym of Insperanos nattereri (Steindachner 1876). Current status: Synonym of Insperanos nattereri (Steindachner 1876). Anostomidae. Habitat: freshwater.