Species (40)
- Semitrichodina sphaeronuclea ssp. sphaeronuclea
- Semitrichodina sphaeronuclea Lom 1956
- Urceolaria dujardinii
- Urceolaria gaimaridae
- Urceolaria discina
- Urceolaria bursata
- Urceolaria kozloffi
- Urceolaria karyolobia
- Urceolaria limacina
- Urceolaria pediculus
- Urceolaria scoloplontis
- Urceolaria utriculata
- Urceolaria stellina
- Trichodinella crassii Dogiel 1940
- Semitrichodina sphaeronuclea ssp. macrodenta
- Dipartiella simplex Stein G. 1961
- Trichodina mitra Siebold 1850
- Trichodinella sphaeronucleata Lom 1956
- Trichodinella copiosa Lom 1959
- Trichodinella tilapae Duncan 1977
- Tripartiella copiosa Lom 1959
- Tripartiella globonuclea Lom 1963
- Tripartiella lata Lom 1963
- Tripartiella incissa Lom 1959
- Tripartiella melanogrammi Stein G. 1961
- Tripartiella rhombi Stein G. 1961
- Tripartiella obliqua Lom 1963
- Trichodinella capri Duncan 1977
- Trichodinella subtilis Lom 1959
- Urceolaria elongata Fenchel 1965
- Urceolaria heraldica Jankowski 1974
- Urceolaria karyodactyla Laird 1961
- Urceolaria korschelti Zick 1928
- Urceolaria patellae Cuenot 1891
- Urceolaria paradoxa Claparède & Lachmann 1858
- Urceolaria spinicola Beers 1964
- Urceolaria synaptae Cuenot 1890
- Trichodinella epizootica (Raabe 1950
- Trichodinella maior Reichenbach-Klinke
- Urceolaria mitra Siebold 1850