margitae, Hyphessobrycon Zarske [A.] 2016:106, Figs. 1-4, 10A [Vertebrate Zoology v. 66 (no. 2); ref. 34774] Einzugsgebiet des río Nanay, Loreto, Peru (aquarium import, possibly from the Río Marañón drainage). Holotype: MTD F 35090. Paratypes: MTD. •Valid as Hyphessobrycon margitae Zarske 2016 -- (Meza-Vargas et al. 2021:18 [ref. 39298]). Current status: Valid as Hyphessobrycon margitae Zarske 2016. Acestrorhamphidae: Hyphessobryconinae. Distribution: South America: upper Amazon basin (Peru). Habitat: freshwater.