Supported by the National Natural Science Foundation of China(Nos.31471950,31101613,30970311);the Heilongjiang Postdoctoral Funding Project "Study on toxicology of intermediate-type filament system and other ultrastructures of ciliates"
A new population of Urostyla grandis, collected from a freshwater pond of northeastern China was investigated by living observation, silver impregnation, and molecular phylogeny based on small subunit ribosomal rRNA(S...