Species that contain: Gymnocorymbus and thayeri [ 2 ] records

profunda, Moenkhausia Eigenmann [C. H.] 1912:322, Pl. 46 (fig. 1) [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Issora Rubber Plantation, Guyana. Holotype: FMNH 53717 [ex CM 2207]. Paratypes: CAS 70828 [ex IU 12363] (1). Type catalog: Henn 1928:66 [ref. 12305], Ibarra & Stewart 1987:58 [ref. 12367]. •Synonym of Gymnocorymbus thayeri Eigenmann 1908 -- (Benine in Reis et al. 2003:128 [ref. 27061]). •Synonym of Gymnocorymbus bondi (Fowler 1911) -- (Benine et al. 2015:10 [ref. 33792]). Current status: Synonym of Gymnocorymbus bondi (Fowler 1911). Characidae: Stethaprioninae. Habitat: freshwater.

thayeri, Gymnocorymbus Eigenmann [C. H.] 1908:93 [Bulletin of the Museum of Comparative Zoology v. 52 (no. 6); ref. 1221] Amazonas, Tefé, rio Solimões, Brazil. Lectotype: MCZ 89969. Paralectotypes: (100) MCZ 19242 (1), 19272 (1), 20710 (2), 20720 (2), 20724 (2), 20789 (22), 20804 (1), 20807 (9), 10973 (4), 20984 (29), 20988 (10), 21001 (7), 21007 (8), 21065 (1), 89967 (1). Lectotype selected by Benine et al. 2015:20 [ref. 33792]. •Valid as Gymnocorymbus thayeri Eigenmann 1908 -- (Ortega & Vari 1986:8 [ref. 9708], Taphorn 1992:194 [ref. 23654], Benine 2002:293 [ref. 26541], Benine in Reis et al. 2003:128 [ref. 27061], Barriga Salazar 2014:107 [ref. 35745], Ramos et al. 2014:4 [ref. 35321], Sarmiento et al. 2014:184 [ref. 35004], Benine et al. 2015:17 [ref. 33792], DoNascimiento et al. 2017:46 [ref. 35633], Careaga et al. 2020:75 [ref. 37774], Meza-Vargas et al. 2021:18 [ref. 39298], Koerber et al. 2022:32 [ref. 39235]). Current status: Valid as Gymnocorymbus thayeri Eigenmann 1908. Characidae: Stethaprioninae. Distribution: South America: Brazil, Ecuador, Bolivia, Colombia, Guyana, Peru and Trinidad and Tobago. Habitat: freshwater.