Species (489)
- Euglypha tuberculata ssp. glabra
- Heleopera cyclostoma Penard 1902
- Hyalosphenia papilio Jung 1936 ssp. multiporifera
- Placocista spinosa Harnisch 1937 ssp. hyalina
- Plagiopyxis labiata Penard 1910
- Plagiopyxis declivis Bonnet & Thomas 1955 ssp. oblonga
- Pontigulasia bigibbosa Penard 1901
- Pontigulasia elisa Penard 1893
- Pontigulasia incisa Rhumbler 1896
- Pontigulasia spectabilis Penard 1901
- Pseudodifflugia fulva Archer 1869
- Pseudodifflugia horrida Penard 1902
- Pyxidicula operculata Agardh 1827
- Difflugia stoutii
- Difflugia acuminata Jung 1942 ssp. inflata immanata
- Centropyxis eurystoma Deflandre 1929
- Hyalosphenia minuta Cash
- Cyclopyxis gigantea Bartos 1963
- Difflugia gigantea Schlumberger 1845
- Difflugia gigantea Chardez 1967
- Difflugia gigantes
- Difflugia glans Penard 1902
- Placocista glabra Penard
- Difflugia globularis Wallich 1864
- Centropyxis globulosa Bonnet & Thomas 1955
- Diplochlamys fragilis Penard 1909
- Centropyxis gauthieri Thomas 1959
- Nebela globulosa Imhof 1895
- Difflugia globulus Ehrenberg 1848
- Plagiopyxis glyphostoma Bonnet 1959
- Difflugia gracilis Penard 1910
- Planhoogenraadia gracilis Bonnet & Gomez-Sanchez
- Nebela griseola
- Centropyxis halophila Bonnet 1959
- Pseudodifflugia hemisphaerica
- Hoogenraadia humicola Bonnet
- Cyclopyxis humilis Bonnet 1962
- Difflugia laevis
- Trinema leidyi Chardez
- Sphenoderia lenta Schlumberger 1845
- Euglyphella lineare Schönborn
- Valkanovia lineare
- Cyclopyxis lithostoma Bonnet 1974
- Centropyxis cordiformis Couteaux
- Plagiopyxis cryptoblonga Bonnet
- Centropyxis cryptostoma Bonnet 1959
- Euglypha cuspidata Bonnet 1959
- Nebela cylindrica Bonnet
- Euglyphidion enigmaticum Bonnet 1960
- Difflugia fallax Ehrenberg 1871
- Protoplagiopyxis delamarei Bonnet 1962
- Corythion delamarei Bonnet & Thomas 1960
- Pseudawerintzewia deharvengi Bonnet 1977
- Sphenoderia dentata
- Euglyphella elegans Schönborn
- Planhoogenraadia elegans Bonnet
- Sphenoderia fissirostris Penard 1890
- Difflugia inflata Penard 1899
- Plagiopyxis intermedia Bonnet 1959
- Cyclopyxis lapponica
- Heleopera lata Cash
- Cyclopyxis machadoi Bonnet 1965
- Difflugia magna Aescht & Foissner 1989
- Centropyxis capucina Bonnet 1975
- Difflugia carinata
- Planhoogenraadia cantabria Bonnet & Gomez-Sanchez
- Euglypha castri Bonnet
- Geoplagiopyxis chardezi Decloitre
- Trinema chavannesi Decloitre
- Assulina collaris
- Plagiopyxis coiffaiti Bonnet 1965
- Euglyphella compacta Schönborn
- Geoplagiopyxis declivus Chardez
- Telotrochidium crateriformis Kent
- Hoogenraadia ovata Bonnet
- Sphenoderia ovoidea Jung 1942
- Centropyxis ovuliformis Bonnet 1959
- Plagiopyxis penardi Thomas 1955
- Heleopera penardi Bonnet & Thomas 1955
- Arcella megastomoides Aescht & Foissner 1989
- Difflugia microclaviformis Kourov 1925
- Assulina minor Penard 1890
- Sphenoderia minuta Deflandre 1931
- Pseudodifflugia moderi Couteaux
- Pseudodifflugia senartensis Couteaux
- Planhoogenraadia sp. 1 Bonnet
- Arcella vulgaris ssp. vulgaris
- Planhoogenraadia sp. 2 Bonnet
- Euglypha spinosa
- Centropyxis stenodeflandriana Bonnet
- Amphitrema stenostomum
- Arcella pseudarcella
- Euglypha pseudociliata Chardez
- Arcella artocrea ssp. artocrea
- Arcella discoides ssp. discoides
- Arcella hemisphaerica Perty 1852 ssp. hemisphaerica
- Plagiopyxis pusilla Bonnet 1961
- Cyclopyxis puteus Thomas 1960
- Heleopera rectangularis Bonnet 1966
- Plagiopyxis rostrata Bonnet