plicatus, Anostomus Eigenmann [C. H.] 1912:296, Pl. 41 (fig. 3) [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Crab Falls, Essequibo River, Guyana. Holotype: FMNH 53393 [ex CM 1861]. Paratypes: BMNH 1911.10.31.464 (1); CAS 27647-50 [ex IU 12148-51] (1, 1, 1, 1), FMNH 53394-96 (1, 1, 1). Type catalog: Henn 1928:57 [ref. 12305], Ibarra & Stewart 1987:9 [ref. 12367]. •Valid as Anostomus plicatus Eigenmann 1912 -- (Garavello & Britski in Reis et al. 2003:72 [ref. 27061], Sidlauskas & Santos 2005:121 [ref. 28904]). •Valid as Petulanos plicatus (Eigenmann 1912) -- (Sidlauskas & Vari 2008:74 [ref. 29786], Sarmiento et al. 2014:183 [ref. 35004], Taphorn et al. 2022:12 [ref. 41297]). Current status: Valid as Petulanos plicatus (Eigenmann 1912). Anostomidae. Distribution: South America: ?Bolivia; Guyana and Suriname. Habitat: freshwater.