Tavernari, F. de C., Takemoto, R.M., Lacerda, A.C.F. e Pavanelli, G.C. 2009. <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. 32, 1 (dez. 2009), 79-81. DOI:https://doi.org/10.4025/actascibiolsci.v32i1.3368.