Difflugia schuurmani Van Oye, 1932
Diagnosis: Shell elongate ovoid; narrows from the middle towards the pseudostome and to the fundus. Pseudostome three-bladed; blades less pronounced than those of D. gramen, smaller, and pseudostome more open.
Dimensions: Length 50-85 µm, width 36-69 µm, diameter pseudostome 18-30 µm.
Ecology: Freshwater.
C. impressa C. impressa C. stellata C. stellata C. crucistoma C. crucistoma C. crucigenia C. crucigenia C. grospietschi C. grospietschi C. triquestrus C. triquestrus C.
Cyclopyxis profundistoma – from Kufferath, 1932 Cyclopyxis profundistoma Kufferath, 1932 Diagnosis: The yellowish grey colored test is made of coarser mineral particles, which are connected
Cyclopyxis maynei – from Kufferath, 1932 Cyclopyxis maynei Kufferath, 1932 Diagnosis: Test cylindrical, characterized by the size of the aperture, which is 87-97 μm wide
C. kahli var. obliqua , after Decloitre, 1978 Cyclopyxis kahli var. obliqua Decloitre, 1978 Diagnosis: Test with all the characteristics of the type species
C. arcelloides var. ghesquierei , after Kufferath, 1932 Cyclopyxis arcelloides var. ghesquierei Kufferath, 1932 Diagnosis: This variety differs from the type species in its
C. arcelloides var. gibbosa, after Van Oye, 1949 Cyclopyxis arcelloides var. gibbosa Van Oye, 1949 Diagnosis: The dimensions and domed shape of the shell separate