
Morphology and molecular phylogeny of an Indian population of Cyrtohymena citrina (Ciliophora, Hypotricha), including remarks on ontogenesis of Urosomoida-Notohymena-Cyrtohymena group
Keywords: Cyrtohymena citrina; Ontogenesis; Oxytrichid; Phylogeny; Undulating membrane; 18S rDNA