hyphesson, Bryconamericus Eigenmann [C. H.] 1909:32 [Annals of the Carnegie Museum v. 6 (no. 1); ref. 1222] Tumatumari, Lower Potaro River, Guyana. Holotype: FMNH 52708 [ex CM 1070]. Paratypes: (10, CM and IU) BMNH 1911.10.31.334 (1); CAS 39617 [ex IU 11755] (2); FMNH 7451 (1), 52709 (2); MCZ 29957 (1); CAS-SU 21970 (2). Type catalog: Henn 1928:63 [ref. 12305], Böhlke 1953:22 [ref. 12291], Ibarra & Stewart 1987:18 [ref. 12367]. Spelled hyphessus in Eigenmann 1912:349 [ref. 1227], but corrected in corrigenda (p. xx). See Planquette et al. 1996:238 [ref. 22818]. •Valid as Bryconamericus hyphesson Eigenmann 1909 -- (Silva in Reis et al. 2003:116 [ref. 27061], Zarske et al. 2010:9 [ref. 30816], Dagosta & Netto-Ferreira 2015:435 [ref. 33665], Thomaz et al. 2015:Add. 5 [ref. 33893] genus uncertain, Borstein et al. 2022:16 [ref. 39507] as hyphesson and aff. hyphesson, Taphorn et al. 2022:13 [ref. 41297]). Current status: Valid as Bryconamericus hyphesson Eigenmann 1909. Stevardiidae: Diapominae. Distribution: South America: Guyana and Suriname Habitat: freshwater.