Species (15.149)
- Stichotricha socialis Gruber 1879
- Stichotricha tubicola Gruber 1847
- Stichotricha urnula Gruber 1882
- Stokesia tetraedrica Faure-Fremiet ?
- Stomatophrya singularis Kahl 1933
- Strobilidium conicum Kahl 1932
- Strobilidium elegans Hada 1970
- Strobilidium faurei Kahl 1932
- Strobilidium hexakinetum Krainer 1995
- Strobilidium gyrans Stokes 1887
- Strobilidium humile Penard 1922
- Strobilidium lacustris Foissner, Skogstad & Pratt 1988
- Strobilidium mucotectum Busch 1923
- Strobilidium minimum sensu Kahl 1932
- Strobilidium oculatum Gruber 1884
- Strobilidium pelagicum Faure-Fremiet 1924
- Strongylidium californicum Kahl 1932
- Strongylidium arenicola Dragesco 1960
- Strongylidium deflectum Tucolesco 1962
- Strongylidium granuliferum Foissner 1987
- Stylocola venustula Dumas 1930
- Stylocoma oviformis Gruber 1884
- Stylohedra lenticulata Kellicott 1884
- Stylogemma wailesi Kahl 1934
- Stylonethes tardus Sterki 1878
- Stylonichia anfracta Dumas 1929
- Stylonichia dupla Dumas 1929
- Stylonichia cornifrons Dumas 1929
- Stylonichia ellipsoides Dumas 1929
- Stylonichia fastigiata Dumas 1929
- Stylonichia mammilata Dumas 1929 ssp. non
- Stylonichia rostrata Dumas 1929
- Stylonichia massula Dumas 1929
- Stylonichia trochiformis Dumas 1929
- Stylonychia auriformis Dumas 1937
- Stylonychia appendiculata Ehrenberg 1838
- Stylonychia bicaudatus Dumas 1937
- Stylonychia calva Fromentel 1876
- Stylonychia bifaria Stokes 1887
- Stylonychia curvata Kahl 1932
- Stylonychia claviformis Gelei 1954
- Stylonychia fissiseta Claparède & Lachmann 1858
- Stylonychia echinata Claparède & Lachmann 1858
- Stylonichia excavata Dumas 1930
- Stylonichia frontosus Dumas 1937
- Stylonychia frontealbens Dumas 1937
- Stylonichia globifrons Dumas 1930
- Stylonychia histrio Ehrenberg 1830
- Stylonychia grandis Maupas ?
- Stylonychia labiata Dumas
- Stylonychia lanceolata Ehrenberg 1835
- Stylonychia lemnae Ammermann & Schlegel 1983
- Stylonichia limbiformis Dumas 1930
- Stylonichia membranaceus Dumas 1937
- Stylonychia macrostyla Sterki 1878
- Stylonychia monostylus Fromentel 1876
- Stylonychia mytilus Müller 1773
- Stylonichia mutabunda Dumas 1930
- Stylonychia notophora Stokes 1885
- Stylonychia octonistylus Dumas 1937
- Stylonychia pulchra Perejaslawzewa 1885
- Stylonychia pustulata Müller 1786
- Stylonychia quadrinucleata Alekperov & Musaev 1988
- Stylonychia reclinis Dumas 1930
- Stylonychia silurus Müller 1773
- Stylonychia regularis Fromentel 1876
- Strobilidium syowaensis Hada 1970
- Strombidinopsis setigera Stokes 1885
- Strombidinopsis similis Stokes 1891
- Strombidion caudatum Fromentel 1876
- Strombidium acutum Leegaard 1915
- Strombidium conicum Lohmann 1908
- Strombidium conicoides Leegaard 1915
- Strombidium cornucopiae Wailes 1929
- Strombidium cornutum Leegaard 1915
- Strombidium coronatum sensu Sauerbrey 1928
- Strombidium corsicum Gourret & Roeser 1888
- Strombidium cylindromorphum Perejaslawzewa 1885
- Strombidium crassulum Leegaard 1915
- Strombidium diversum Busch ?
- Strombidium delicatissimum Leegaard ?
- Strombidium emergens Leegaard 1915
- Strombidium elongatum Leegaard 1915
- Strombidium elegans Florentin 1901
- Strombidium fallax Zacharias 1896
- Strombidium faurei Dragesco 1960
- Strombidium filificum Kahl 1932
- Strombidium glaciale Petz, Song & Wilbert 1995
- Strombidium grande Levander 1894
- Strombidium inclinatum Montagnes, Taylor & Lynn 1990
- Strombidium gyrans Stokes 1887
- Strombidium intermedium Maskell 1888
- Strombidium latum Kahl 1932
- Strombidium lagenula Faure-Fremiet 1924
- Strombidium kahli Bock 1952
- Strombidium macronucleatum Dragesco 1960
- Strombidium longicpes Meunier 1907
- Strombidium meganucleatum Dragesco & Dragesco-Kernéis 1986
- Strombidium mucotectum Busch 1923
- Strombidium minutum Wulff 1919