Species (1.921)
- Helix cazenavetti
- Helix cereoflava Bielz 1851
- Helix chlorozona
- Helix circinata ssp. parreyssii
- Helix consobrina
- Helix consors
- Helix contorta
- Helix coquandi Morelet 1854
- Helix corcyrensis
- Helix corneovirens Pfeiffer 1851
- Helix coracis Kobelt 1893
- Helix bowdichiana
- Helix buvigneri
- Helix bulweriana
- Helix bulimoidea
- Helix caementitia
- Helix caffra
- Helix calabriensis
- Helix calathoides
- Helix calathus
- Helix calculus
- Helix caldeirarum
- Helix calligera
- Helix calva
- Helix calypso Benoit 1857
- Helix camerata
- Helix canalis
- Helix canariensis
- Helix candidula ssp. mühlfeldtiana
- Helix capsella
- Helix capsula
- Helix caperata Montagu 1803
- Helix carpathica
- Helix carthusianella Draparnaud 1801
- Helix cheiranthicola
- Helix christophi Boettger 1881
- Helix circinata ssp. montana
- Helix circinata ssp. circinata
- Helix circinnata
- Helix clotho
- Helix cobresiana Alten 1812
- Helix codringtoni
- Helix compacta
- Helix colomiesiana
- Helix compar
- Helix complementaria
- Helix confucii
- Helix conica Draparnaud 1801
- Helix compressula
- Helix consanguinea
- Helix costulata Pfeiffer 1828
- Helix fluctuosa
- Helix foetens ssp. achates
- Helix fortunata Shuttleworth 1852
- Helix fritschi
- Helix fuchsi
- Helix fulgida
- Helix fulgurata
- Helix funebris
- Helix furva
- Helix galeata
- Helix gaudryi
- Helix galactostomata
- Helix glasiana
- Helix gomerensis
- Helix gomesiana
- Helix gondotiana
- Helix goodallii Ferussac 1821
- Helix graeffei
- Helix grandidieri
- Helix gradata
- Helix granulata Alder 1830
- Helix granostriata
- Helix gravida
- Helix granulosa
- Helix gredleri
- Helix remissa
- Helix rhaetica
- Helix retrodens
- Helix revelata Michaud 1831
- Helix robillardi
- Helix rotula
- Helix taeniata
- Helix tabellata
- Helix tchiliensis
- Helix taurica Krynicki 1833
- Helix tetrodon
- Helix thiarella
- Helix tetrazona
- Helix thiesseana Kobelt 1878
- Helix translucida
- Helix tiarella
- Helix trenquelleonis
- Helix tristis
- Helix tumulorum
- Helix tryoni
- Helix umbicula Shuttleworth 1852
- Helix undata
- Helix unitendata
- Helix ventricosa Müller 1774