| digenetic trematodes in south american sea lions from southern brazilian waters. | the aim of this work was to perform a systematic study to detect and quantify the digenetic trematode infections in south american sea lions from the southern brazilian coast. twenty-four south american sea lions, otaria flavescens (carnivora: otaridae), were found dead along the coast of rio grande do sul state, brazil, between june 2010 and september of 2011. two trematode species were found in the intestines of o. flavescens, i.e., stephanoprora uruguayense (digenea: echinostomatidae) and asc ... | 2013 | 23421418 |