Species (30)
- Cyclopyxis ambigua Bonnet & Thomas 1960
- Cyclopyxis arcelloides Penard 1902
- Cyclopyxis eurystoma Deflandre 1929
- Cyclopyxis kahli Deflandre 1929
- Cyclopyxis amplecta Schönborn
- Ellipsopyxis arcuata Bonnet 1977
- Cyclopyxis bathystoma Chibisova 1967
- Trigonopyxis arcula Leidy 1879
- Trigonopyxis minuta Schönborn & Peschke 1988
- Pseudawerintzewia calcicola Bonnet 1959
- Cyclopyxis gigantea Bartos 1963
- Cyclopyxis humilis Bonnet 1962
- Cyclopyxis lithostoma Bonnet 1974
- Pseudawerintzewia deharvengi Bonnet 1977
- Cyclopyxis lapponica
- Cyclopyxis machadoi Bonnet 1965
- Telotrochidium crateriformis Kent
- Cyclopyxis puteus Thomas 1960
- Ellipsopyxis pauliani Bonnet 1965
- Cyclopyxis kahli Chibicova 1967 ssp. grandis
- Cyclopyxis intermedia Kufferath 1932
- Cyclopyxis kahli Bonnet & Thomas 1960 ssp. cylostoma
- Cyclopyxis kahli Decloitre 1969 ssp. obliqua
- Cyclopyxis dispar Decloitre 1965
- Cyclopyxis eurystoma Decloitre 1949 ssp. stenostoma
- Cyclopyxis dulcis Couteaux & Munsch 1978
- Cyclopyxis insolitus Decloitre 1969
- Cyclopyxis profundistoma Bartos 1963
- Cyclopyxis pirini Golemansky 1974
- Pseudawerintzewia orbistoma Schönborn, Foissner & Meisterfeld 1983