Acanthocystis
Actinobolina
Actinobolina radians
Amphileptus
Amphileptus procerus
Arcella
Arcella prismatica
Arcellinida
Aspidisca
Calyptotricha
Calyptotricha pleuronemoides
Centrohelida
Cercozoa
Cyclogramma
Cylindrifflugia
Cylindrifflugia bacillariarum
Dileptida
Dileptus
Dileptus viridis
Disematostoma
Disematostoma mino
Enchelyodon
Enchelyodon armatus
Entosiphon
Entosiphon sulcatum
Euglena
Euglenid
Euglenids
Euglypha
Euglypha compressa
Euplotia
flagellate
flagellates
Frontonia
Frontonia atra
Frustulia
Frustulia saxonica
Furgasonia
Furgasonia theresae
Furgasonia trichocystis
Heliozoa
Holophrya
Holophrya discolor
Homalozoon
Homalozoon multinucleatum
Hypotrich
Jenningsia
Lembadion
Lembadion lucens
Litostomatea
Loxodes
Loxodes magnus
Loxophyllum
Loxophyllum helus
Loxophyllum meleagris
Metacystis
Nassulida
Netelia tuberculata
Netzelia tuberculata
Oxytricha
Oxytricha auripunctata
Paracondylostoma setigerum
Paracondylstoma
Paramecium
Paramecium bursaria
Parasitic rotifer
Pelagodileptus
Peranema
Peranemidae
Peritrich
peritrich swarmer
Pleuronema
Pseudokeronopsis
Pseudokeronopsis similis
Raphidiophrys
Raphidiophrys viridis
Scuticociliates
Spathidiida
Spongomonas
Stentor
Stentor pyriformis
Stichotricha
Stichotricha aculeata
Supraspathidium
Telotroch
Testate amoeba
Thylakidium
Thylakidium pituitosum
Trachelophyllidae
Trachelophyllum
Urosoma
Urosoma emarginata
Vampyrellidae
Vorticella
Vorticella chlorostigma