The protozoon Vorticella campanula is found in freshwater ponds, lakes, rivers, and streams with aquatic vegetation.
Chromidina
Chromidina Gonder, 1905 is a genus of apostome ciliates of the family Opalinopsidae.
Vorticella citrina
Vorticella convallaria is a protozoan.
Peniculid
The peniculids are an order of ciliate protozoa, including the well-known Paramecium and related genera, such as Frontonia, Stokesia, Urocentrum and Lembadion.
Hyalophysa
Hyalophysa is a genus of apostome ciliates of the family Foettingeriidae.
Frontonia
Frontonia is a genus of free-living unicellular ciliate protists, belonging to the order Peniculida.
Hyalophysa clampi
Hyalophysa clampi is a species of freshwater protist known as an apostome ciliate.
Hyalophysa chattoni
Hyalophysa chattoni is an apostome ciliate of the order Apostomatida.
Apostomatida
The Apostomatida are an order of ciliate protozoa of the class Oligohymenophorea.
Ichthyophthirius multifiliis
Ichthyophthirius multifiliis (commonly known as freshwater white spot disease, freshwater ich, or freshwater ick) is a common disease of freshwater fish.
Trichodina
Trichodina is a genus of ciliate protists that is ectocommensal or parasitic on aquatic animals, particularly fish.
Trichodinidae
Trichodinidae is a family of ciliates of the order Mobilida, class Oligohymenophorea.
Mobilida
Mobilida is a group of parasitic or symbiotic peritrich ciliates, comprising more than 280 species.
Chromidina elegans
Chromidina elegans is a species of parasitic protist.
Chromidina chattoni
Chromidina elegans is a species of protist, described in 2016.
Opercularia ampluscolonia
Opercularia ampluscolonia is a freshwater, colonial, sessiline peritrich ciliate protist.
Vorticella convallaria
Vorticella convallaria is a protozoan, the type species of the genus Vorticella.