Vorticella microstoma Ehrenberg, 1830

= V. chydoricola Sramek-Husek, 1946

= V. constricta (Fromentel, 1874) Noland & Finlay, 1931

= V. cupifera (Kahl, 1935) Pratt & Rosen, 1983

= V. cyclopicola Kahl, 1935

= V. fluvialis (Fromentel, 1874) Noland & Finlay, 1931

= V. longimacronucleata Fukui & Morishita, 1961

= V. magna Fukui & Morishita, 1961

= V. mammillata (Fromentel, 1874) Noland & Finlay, 1931

= V. microstoma var. defluviatilis Nenninger, 1948

= V. microstoma f. turgescens Stiller

= V. partita Fukui & Morishita, 1961

= V. pileolata Lepsi, 1948

= V. submicrostoma Ghosh, 1922

Record as epibiont on ostracods: This species was reported as epibiont on ostracods, from Botanic Garden, Bratislave (cited as V. cyclopicola) (Stoukal & Matis 1997).

Record as epibiont on other hosts: It was also reported as epibionts on isopod - Asellus (Asellus) aquaticus (Linnaeus, 1758) (cited as Asellus aquaticus) from Germany; on decapods - Cambarellus (Cambarellus) patzcuarensis Villalobos, 1943 (= Cambarellus patzcuarensis) from Mexico and Penaeus chinensis (Osbeck, 1765) (cited as Penaeus orientalis) from China; on copepods - Cyclops strenuus strenuus Fischer, 1851 (cited as Cyclops strenuus), Cyclops viridis (Jurine, 1820) from Germany, Lernaea cyprinacea Linnaeus, 1758 from South Africa, Megacyclops viridis (Jurine, 1820) from Slovaquia, and Cyclops sp. from Germany; on cladocerans - Disparalona rostrata (Koch, 1841) (cited as Disparolana rostrata) from Czech Republic, Eurycercus lamellatus (Müller, 1776) from Germany and Russia, Scapholeberis kingi Sars, 1888 from the USA and Canada, Rhynchotalona rostrata (Koch, 1841), Macrothrix laticornis (Jurine, 1820) from Czech Republic; on amphipods - Gammarus tigrinus Sexton, 1939 from Netherlands and Gammarus sp. from Slovaquia (Mayén-Estrada & Utz 2018).