Species (22.489)
- Tintinnus semiciliatus Sterki 1879
- Tintinnus stramentus Kofoid & Campbell 1929
- Tintinnus spiralis Fol 1881
- Tintinnus subulatus Ehrenberg 1833
- Tintinnus tubiformis Kofoid & Campbell 1929
- Tintinnus tenue Kofoid & Campbell 1929
- Tintinnus tubulosus Ostenfeld 1899
- Tintinnus turgescens Kofoid & Campbell 1929
- Tintinnus tubus Stokes 1893
- Tintinnus ventricosus Claparède & Lachmann 1858
- Tintinnus turris Kofoid & Campbell 1929
- Tokophrya manueli Matthes & Rebhan 1983
- Tokophrya lemnarum Stein 1859
- Tokophrya okobojiensis Goodrich & Jahn 1943
- Tokophrya phreaticum Ueno 1962
- Tokophrya ornata Gajewskaja 1933
- Tokophrya pygmaea Swarczewsky 1928
- Tokophrya quadripartita Claparède & Lachmann 1859
- Tokophrya stammeri Strouhal 1939
- Trachelocerca coluber Kahl 1933
- Trachelocerca fasciolata Sauerbrey 1928
- Trachelocerca coronata Morgan 1925
- Trachelocerca cylindricollis Lepsi 1962
- Trachelocerca filiformis Maskell 1886
- Trachelocerca entzii Kahl 1927
- Trachelocerca fusca Kahl 1928
- Trachelocerca geopetiti Dragesco 1954
- Trachelocerca gracilis Dragesco 1954
- Trachelocerca incaudata Kahl 1933
- Trachelocerca minuta Dragesco 1960
- Trachelocerca maxima Daday 1886
- Trachelocerca minor Gruber 1884
- Trachelocerca multinucleata Dragesco 1960
- Trachelocerca nigricans Kahl 1933
- Trachelocerca nigrocephala Tucolesco 1962
- Trachelocerca oblonga Maupas 1883
- Trachelocerca olor Müller 1786
- Trachelocerca phoenicopterus Cohn 1866
- Trachelocerca schulzei Dragesco 1954
- Tintinnopsis magna Merkle 1909
- Tintinnopsis mayeri Daday 1887
- Tintinnopsis major Meunier 1910
- Tintinnopsis meunieri Kofoid & Campbell 1929
- Tintinnopsis minuta Wailes 1925
- Tintinnopsis minima Wang & Nie 1932
- Tintinnopsis mulctrella Kofoid & Campbell 1929
- Tintinnopsis nucula Fol 1884
- Tintinnopsis prowazeki Faria & Cunha 1917
- Tintinnopsis rapa Meunier 1910
- Tintinnopsis reflexa Kofoid 1905
- Tintinnopsis radix Imhof 1886
- Tintinnopsis rotunda Jörgensen 1899
- Tintinnopsis sacculus Brandt 1896
- Tintinnopsis sinuata Brandt 1896
- Tintinnopsis schotti Brandt 1906
- Tintinnopsis spiralis Kofoid & Campbell 1929
- Tintinnopsis subacuta Jörgensen 1899
- Tintinnopsis tocantinensis Kofoid & Campbell 1929
- Tintinnopsis tubulosa Levander 1900
- Tintinnopsis tubulosoides Meunier 1910
- Tintinnopsis turgida Kofoid & Campbell 1929
- Tintinnopsis urniger Entz 1884
- Tintinnus lagenula Claparède & Lachmann 1858
- Tintinnus inquilinus Müller 1776
- Tintinnus lusus-undae Schrank 1803
- Tintinnus lususundae Entz 1885
- Tintinnus mcilentus Jörgensen 1924
- Tintinnus maculatus Brandt 1906
- Tintinnus medius Kofoid & Campbell 1929
- Tintinnus mirabilis Kofoid & Campbell 1929
- Tintinnus pacificus Kofoid & Campbell 1929
- Tintinnus pectinis Kofoid & Campbell 1929
- Tintinnus perminutus Kofoid & Campbell 1929
- Tintinnus pinguis Kofoid & Campbell 1929
- Tintinnus procurrerens Kofoid & Campbell 1929
- Tintinnus rectus Wailes 1925
- Thylakidium macrostomum Alekperov 1991
- Thylakidium pituitosum Foissner 1980
- Thylakidium typicum Gellert 1955
- Tillina saprophila Stokes 1884
- Tintinnopsis acuminata Imhof
- Tintinnopsis ampullula Eicher 1965
- Tintinnopsis angulata Daday 1887
- Tintinnopsis angusta Meunier 1910
- Tintinnopsis annulata Claparède & Lachmann 1858
- Tintinnopsis aperta Brandt 1906
- Tintinnopsis avellana Meunier ?
- Tintinnopsis bacillaria Hada 1970
- Tintinnopsis cincta Claparède & Lachmann 1858
- Tintinnopsis coronata Kofoid & Campbell 1929
- Tintinnopsis everta Kofoid & Campbell 1929
- Tintinnopsis fimbriata Meunier 1919
- Tintinnopsis fisturlaris Meunier ?
- Tintinnopsis glans Meunier ?
- Tintinnopsis gracilis Kofoid & Campbell 1929
- Trachelostyla dubia Dragesco 1954
- Trachelostyla geleii Gellert 1957
- Trachelostyla macrostoma Gellert 1957
- Trachelostyla simplex Kahl 1932
- Trachelostyla spiralis Dragesco & Dragesco-Kernéis 1986