Espèces (15.149)
- Colpoda adaphoni
- Holosticha gibba Müller 1786
- Colpoda campyla
- Colpoda colpoda
- Colpoda cuculio
- Colpoda henneguy
- Colpoda hippocrepis
- Colpoda luna
- Metabakuella bimarginata Franco, Esteban & Tellez 1996
- Colpoda pigerima
- Conicarcella feugueuri
- Conicarcella oedelemensis
- Coniculostomum bimarginata Kamra, Sapra & Ammermann 1994
- Conchophthirius caryoclada Kidder 1933
- Conchophthirus difformis
- Conchophthirus striatus
- Condylostoma acuta Dragesco 1960
- Condylostoma enigmatica Dragesco 1954
- Condylostoma kahlii Dragesco 1960
- Condylostoma minima Dragesco 1960
- Condylostoma kasymovi
- Trichoda forfex
- Condylostoma remanei Kahl 1932 ssp. remanei
- Condylostoma nigra Dragesco 1960
- Condylostoma vorticellina
- Condylostoma tenuis Fauré-Fremiet 1958
- Condylostomum patens
- Condylostomum patulum
- Corethria sertularia
- Corlisia picta Dragesco 1960
- Corlissetta anivica Jankowski 1986
- Codonella lagenula ssp. lagenula
- Codonella ventricosa
- Codonella orthoceras
- Codonellopsis brasiliensis
- Codonellopsis nipponica
- Codonopsis ollula Brandt 1906
- Collinia branchiarum
- Collinia orchestiae
- Hemisincirra gellerti Foissner 1982 ssp. gellerti
- Colpoda steinii ssp. steinii
- Psilotricha geleii
- Coronopsis digitata
- Viosoma planctonicum sensu Dragesco 1970
- Tintinnidium fluviatilis
- Leucophra armilla
- Leucophra anodontae
- Leucophra fluxa
- Leucophra fluida
- Leucophra heteroclita
- Leucophra nodulata
- Leucophra vesiculifera
- Leucophra striatys
- Coxliella helix
- Metopus recurvatus ssp. pusillus
- Leucophrya signata
- Leucophrya nodulata
- Leucophrys cochleariformis
- Leucophrys entozoon
- Tintinnidium fluviatile ssp. minima
- Leucophrys spathula Müller 1773
- Leucophrys socialis
- Leucophrys nodulata
- Leucophrys fluviatilis
- Leucophrys striata
- Licnophora auerbachi Cohn 1866
- Licnophora chattoni
- Licnophora cohnii
- Licnophora lyngbyicola
- Lembadion gabonensis Dragesco 1965
- Lembadium bullinum
- Lembadium duriusculum
- Lembidion bullinum
- Lembadion duriusculum
- Prorodon corpulentissimum
- Leiotrocha patellae
- Lembadion duplellum
- Lembadion pupa
- Lembus vermius Müller 1786
- Leprotintinnus apertus
- Leptodiscus mirabilis
- Leucophra acuta
- Litonotus anguilla Kahl 1931
- Litonotus bivacuolatus
- Litonotus bonnensis Song & Wilbert 1989
- Litonotus caudatus Dragesco 1966
- Litonotus diaphanus
- Litonotus minisculus
- Litonotus fasciolata
- Litonotus folium
- Litonotus mononucleatus
- Trichodina domerguei ssp. diaptomus
- Litonotus pictus ssp. pictus
- Litonotus triqueter
- Litonotus varsaviensis ssp. varsaviensis
- Litonotus varsaviensis ssp. typica
- Litonotus uninucleatum
- Litonotus yinae
- Lomiella bergeri Puytorac & Rakotoarivelo 1965
- Lomiella eminoscolecis