TY - JOUR T1 - Cyrilia sp. (Apicomplexa: Haemogregarinidae) in the Amazonian freshwater stingray Potamotrygon wallacei (cururu stingray) in different hydrological phases of the Rio Negro JO - Brazilian Journal of Biology A1 - Oliveira, A. T. A1 - Araújo, M. L. G. A1 - Pantoja-Lima, J. A1 - Aride, P. H. R. A1 - Tavares-Dias, M. A1 - Brinn, R. P. A1 - Marcon, J. L. SN - 1519-6984 UL - 10.1590/1519-6984.00416 VL - 77 Y1 - 2017 PB - Brazil ER -