Species (15.149)
- Lacrimaria olor
- Lacrimario olor
- Lacrimatoria olor Müller 1824
- Lacrymaria binucleata
- Lacrymaria bulbosa
- Spiratella plankticola
- Lacrymaria cohni Kent 1881
- Lacrymaria coronata Claparède & Lachmann 1859 ssp. coronata
- Lacrymaria farcta
- Lacrymaria coronata Roux 1901 ssp. aquadulcis
- Lacrymaria nana
- Lacrymaria pumilio
- Kolpoda pirum Müller 1786
- Kolpoda rostrum Müller 1773
- Kondylostoma marinum
- Laboea striata
- Sathrophilus putrinus
- Lacrymaria marinum
- Lacrymaria sarmaticus
- Lacrymaria salinarum
- Lacrymaria sagitta
- Urosoma planctonticum Horváth 1933
- Mystacodella index
- Onychodromus indica Kamra & Sapra 1993
- Oxytricha inquieta Stokes 1887
- Astylozoon pyriforme sensu Faure-Fremiet 1924
- Lacrymaria trilineata Penard
- Lacrymaria trichocystus Dragesco 1954
- Lacrymaria tornatilis
- Lagenophrys vaginocola
- Lagenophrys verecunda
- Lagotia atro-pupurea Wright 1858
- Lagotia atro-purpureus Wright 1858
- Lagotia atropurpurea Wright 1858
- Lagotia faurefremieti
- Lagotia hyalina Wright 1858
- Lagotia producta
- Vorticella aqua-dulcis Stokes 1887
- Urotricha agilis
- Lagotia spirobis
- Lagynus verrucosa Foissner 1983
- Kellicotta longispina
- Kentrophoros canalis Wright 1982
- Kentrophoros fasciolata Sauerbrey 1928
- Kentrophoros fasciolatus Sauerbrey 1928
- Kentrophoros gracile sensu Carey 1992
- Kentrophoros grandis Dragesco 1954
- Kentrophoros lanceolata Faure-Fremiet 1951
- Kentrophoros trichocystus Dragesco 1954
- Kentrophoros minuta Dragesco 1960
- Kentrophoros tubiformis Raikov & Kovaleva 1966
- Keratona polyporum
- Kerona helluo
- Kerona calcitium
- Kerona multinucleata
- Kerona herbicola
- Kerona muscicola
- Kerona patella
- Kerona polychaeta
- Kerona pullaster Müller 1773
- Kerona wetzeli Wenzel 1953
- Tintinnopsis potiformis
- Keronella perbella
- Spiretta planticola
- Keronella rubra
- Keronopsis thononensis Dragesco 1966
- Klonosticha gibba
- Klonosticha horrida
- Lecaniella margostriata
- Lecanophryella paralept ssp. astaci
- Legenophrys labiata
- Obertrumia georgiana sensu Foissner & Adam 1981
- Lagenophrys ampullacea
- Lagenella inflata
- Lagenophrys eupagurus
- Lagenophrys lenticula
- Lagenophrys matthesi
- Lagenophrys stammeri
- Lagenophrys oregonensis
- Lagenophrys rotunda
- Lagynophrya stammeri
- Laurentia macrostoma Dragesco 1966
- Lecaniella dictyota
- Legenophrys vaginicola
- Kahliella zignis
- Kahliela leptocirra Tucolesco 1962
- Keronopsis arenivorus Dragesco 1954
- Keronopsis longicirrata
- Urosoma planctonica sensu Stiller 1974
- Keronopsis rubra ssp. rubra
- Spiretta plankticolus
- Keronopsis tannaensis Shigematsu 1953
- Kidderia hamiltoni
- Vaginicola vaginata
- Troglodytella gabonensis
- Euplotopsis tegulatus Tuffrau 1960
- Vaginicola valvata
- Glaucomides bromelicola Foissner ßß
- Uroleptoides binucleata Hemberger 1985
- Urosoma agilis