geryi, Microcharacidium Zarske [A.] 1997:163, Figs. 5-7 [Zoologische Abhandlungen; Staatliches Museum für Tierkunde in Dresden v. 49 (no. 2); ref. 23714] Quebrada Manatai, about 8°35'S, 75°50'W, Loreto Dept., Peru. Holotype: MTD F 17355. Paratypes: Géry coll. 90,1-5 (5), 90,6-7 (2); MTD F 17672-73 (2), F 17334-54 (21), F 19883-900 (18), F 17441-68 (28), F 17255 (1). Type catalog: Zarske 2003:21 [ref. 27474]. •Valid as Microcharacidium geryi Zarske 1997 -- (Buckup in Reis et al. 2003:88 [ref. 27061] but incertae sedis in Crenuchidae, Barriga Salazar 2014:106 [ref. 35745]). •Valid as Characidium geryi (Zarske 1997) -- (Melo et al. 2016:[6] [ref. 34807], Meza-Vargas et al. 2021:20 [ref. 39298], Buckup 2024:298 [ref. 40817]). Current status: Valid as Characidium geryi (Zarske 1997). Crenuchidae: Characidiinae. Distribution: South America: upper Amazon basin (Peru and Ecuador). Habitat: freshwater.