Species (15.149)
- Spathidium gibbum Kahl 1930
- Spathidium gigas Cunha 1914
- Spathidium hyalinum Dujardin 1841
- Spathidium holsatiae Kahl 1930
- Spathidium implicatum Kahl 1930
- Spathidium labeo Penard 1922
- Spathidium lagenula Kahl 1930
- Spathidium latum Kahl 1926
- Spathidium latissimum Lepsi 1959
- Spathidium liepoldi Kaltenbach 1960
- Spathidium longicaudatum Buitkamp & Wilbert 1974
- Spathidium longinucleatum Gelei 1954
- Spathidium lionotiforme Kahl 1930
- Spathidium lucidum Kahl 1930
- Spathidium luteum Kahl 1926
- Spathidium marinum Lepsi 1962
- Spathidium macrostomum Wilbert 1995
- Spathidium meloforme Alekperov 1983
- Spathidium muscorum Dragesco & Dragesco-Kernéis 1979
- Spathidium n.sp.2
- Spathidium obliquum Kahl 1926
- Spathidium n.sp.3
- Spathidium papilliferum Kahl 1930
- Spathidium opimum Kahl 1930
- Spathidium pectinatum Kahl 1926
- Spathidium paucistriatum Kahl 1930
- Spathidium paralabiatum Small & Lynn 1985
- Spathidium piliforme Kahl 1930
- Spathidium peniculatum Kahl 1930
- Spathidium plurinucleatum Andre 1916
- Spathidium polymorphum Wenzel 1955
- Spathidium polyvacuolatum Vuxanovici 1959
- Spathidium procerum Kahl 1930
- Spathidium porculus Penard 1922
- Spathidium puteolagri Baumeister in Kahl 1930
- Spathidium rectitoratum Kahl 1930
- Spathidium repandum Penard 1922
- Spathidium sacculum Gelei 1954
- Spathidium scalpriforme Kahl 1930
- Spathidium seppelti Foissner, Agatha & Berger 2002 ssp. etoschense
- Spathidium rusticanum Foissner 1981
- Spathidium securiforme Kahl 1930
- Spathidium serpens Kahl 1930
- Spathidium chorelligerum Kahl 1930
- Spathidium cithara Penard 1912
- Spathidium claviforme Kahl 1930
- Spathidium crassum Kahl 1926
- Spathidium cucumis Baumeister in Kahl 1930
- Spathidium cultriforme Penard 1922
- Spathidium cylindricum Kahl 1930
- Spathidium distoma Kahl 1926
- Spathidium depressum Kahl 1930
- Spathidium lagyniforme Kahl 1930
- Spathidium metabolicum Pomp & Wilbert 1988
- Spathidium minimum Dumas
- Spathidium minutum Kahl 1926
- Spathidium modestum Kahl 1930
- Spathidium moniliforme Bathia 1920
- Spathidium multistriatum Kahl 1930
- Spathidium multinucleatum Gellert 1955
- Spathidium muscicola Kahl 1930
- Spathidium n.sp.1 bavariense
- Spathidium simplex Penard 1922
- Spathidium simulans Kahl 1930
- Spathidium spathula Kahl 1926 ssp. latum
- Spathidium spathuloides Gellert 1955
- Spathidium sp.
- Spathidium swarczewskyi Tucolesco 1962
- Spathidium sulcatum Kahl 1928
- Spathidium teres Stokes 1886
- Spathidium syrtis Lepsi 1962
- Spathidium tortum Foissner 1980
- Spathidium truncatum Stokes 1885
- Spathidium vermiculus Kahl 1926
- Spathidium vermicus
- Spathidium vermiforme Penard 1922
- Spathidium viride Penard 1922
- Serioscyphus erlenagensis Matthes & Guhl 1972
- Setodiscophrya hydroi Jankowski 1981
- Solenophrya oblonga Stokes 1890
- Sonderia macrochila Kahl 1930
- Sonderia mira Kahl 1928
- Sonderia pharyngea Kirby 1934
- Sonderia schizostoma Kahl 1930
- Sonderia megalabiata Alekperov & Asadullayeva 1996
- Sonderia sinuata Kahl 1931
- Sonderia tubigula Kahl 1930
- Sonderia vestita Kahl 1928
- Sonderia vorax Kahl 1928
- Sopianella longa Nagy 1989
- Soracineta dibdalteria Parona ()
- Sparotricha vexiffifer Entz 1879
- Sorogena stoianovitchae Bradbury & Olive 1980
- Sparsacineta complanta Gruber ()
- Spasmostoma viride Kahl 1927
- Spastostyla serularium Entz 1884
- Spathidiella hyalina Kahl 1930
- Spathidioides armata Kahl 1930
- Rovinjella sphaeromae Matthes 1972
- Saprodinium sp.