Acestrorhynchus microlepis (Jardine, 1841)

Toledo-Piza, Mônica, Baena, Eduardo G., Dagosta, Fernando C. P., Menezes, Naércio A., Ândrade, Marcelo, Benini, Ricardo C., Bertaco, Vinicius A., Birindelli, José Luís O., Boden, Gert, Buckup, Paulo A., Camelier, Priscila, Carvalho, Fernando R., Castro, Ricardo M. C., Chuctaya, Junior, Decru, Eva, Derijst, Eddy, Dillman, Casey B., Ferreira, Katiane M., Merxem, Dimitri G., Giovannetti, Victor, Hirschmann, Alice, Jégu, Michel, Jerep, Fernando C., Langeani, Francisco, Lima, Flávio C. T., Lucena, Carlos A. S., Lucena, Zilda Margarete S., Malabarba, Luiz R., Malabarba, Maria Cláudia S. L., Marinho, Manoela M. F., Mathubara, Kleber, Mattox, George M. T., Melo, Bruno F., Moelants, Tuur, Moreira, Cristiano R., Musschoot, Tobias, Netto-Ferreira, André L., Ota, Rafaela P., T. Oyakawa, Osvaldo, Pavanelli, Carla S., Reis, Roberto E., Santos, Osmar, Serra, Jane Piton, Silva, Gabriel S. C., Silva-Oliveira, Cárlison, Souza-Lima, Rosana, Vari, Richard P. & Zanata, Angela M., 2024, Checklist of the species of the Order Characiformes (Teleostei: Ostariophysi), Neotropical Ichthyology (e 230086) 22 (1), pp. 1-548 : 13

Acestrorhynchus microlepis (Jardine, 1841)

Hydrocyon microlepis Jardine , in Schomburgk, 1841:247. Type locality: Rios Negro and Branco as well as in the Essequibo. [Menezes (1969) restricted the type locality to the Essequibo River, Guyana]. No types known. [See Toledo-Piza, Menezes (1996) for information about types].

Acestrorhynchus cachorro Fowler, 1940a:274 , fig. 61. Type locality: Ucayali River basin, Boca Chica , Peru. Holotype: ANSP 68679 . [Holotype pictured in Toledo-Piza, Menezes (1996: fig. 8)].

Acestrorhynchus guianensis Menezes, 1969:70 , 120, fig. 54. Type locality: Botanic Garden , [British] Guyana (trenches in Georgetown with water from the Demerara River). Holotype: FMNH 74359 . [Holotype pictured in Toledo-Piza, Menezes (1996: fig. 7)].

Acestrorhynchus apurensis Toledo-Piza, Menezes, 1996:18 , fig. 10. Type locality: Venezuela, Modulo de la UNELLEZ, Estado Apure. [Río Apure drainage, Río Orinoco]. Holotype: MZUSP 48373 . Synonymy proposed by López-Fernández, Winemiller (2003).

Distribution: 307, 308, 311, 316,317, 318, 319, 320, 321, 322, 323, 324 (Toledo-Piza, Menezes 1996; Toledo-Piza et al., 2013; López-Fernández, Winemiller, 2003).