roseus, Megalamphodus Géry [J.] 1960:26, Pl. 2 (fig. 3); Figs. 10-11 [Senckenbergiana Biologica v. 41 (no. 1/2); ref. 1605] Creeks near Gaa Kaba, Maroni, French Guiana. Holotype: SMF 4784. Paratypes: ANSP 112496 (1 or 2), 139704 (1); Géry coll. 57 Che 03-25-2 to 13 (8), 57 Che 03-30-14 & 15 (2), 57 Che 03-32-16 to 21 (orig. 15); ZMA 100620 (2); SMF 4790 (4). Type catalog: Nijssen et al. 1982:21 [ref. 19236], Böhlke 1984:53 [ref. 13621]. •Valid as Megalamphodus roseus Géry 1960 -- (Planquette et al. 1996:332 [ref. 22818], Keith et al. 2000:13 [ref. 24547]). •Valid as Hyphessobrycon roseus (Géry 1960) -- (Weitzman & Palmer 1997:235 [ref. 22743], Lima & Malabarba in Reis et al. 2003:140 [ref. 27061], Borstein et al. 2022:16 [ref. 39507]). Current status: Valid as Hyphessobrycon roseus (Géry 1960). Acestrorhamphidae: Hyphessobryconinae. Distribution: South America: French Guyana and Suriname. Habitat: freshwater.