Assertion: narrow peristome | /r/HasProperty | vorticella infusionum
Facets:
Source sentences:
text: It was shown that a more sensitive indicator of effluent quality was a change in the abundance of attached ciliates with a narrow peristome (Vorticella infusionum and Opercularia coarctata), small flagellates and crawling ciliates (Acineria uncinata) feeding on flagellates.