TAVERNARI, F. DE C.; TAKEMOTO, R. M.; LACERDA, A. C. F.; PAVANELLI, G. C. <b>A new species of <em>Demidospermus</em> Suriano, 1983 (Monogenea) parasite of gills of <em>Auchenipterus osteomystax</em> (Auchenipteridae), from the upper Paraná river floodplain, Brazil</b&gt; - DOI: 10.4025/actascibiolsci.v32i1.3368. Acta Scientiarum. Biological Sciences, v. 32, n. 1, p. 79-81, 2 dez. 2009.