Species (741)
- Helix lamarcki
- Helix lancerotensis
- Helix lancerottensis
- Helix lancula
- Helix lanx
- Helix lanosa
- Helix latens
- Helix latina
- Helix leachii
- Helix lemniseata
- Helix lencoranea
- Helix lens Ferussac 1821
- Helix lentiginosa
- Helix lenticula
- Helix leonina
- Helix leprosa Shuttleworth 1852
- Helix leptosticta
- Helix leptostyla
- Helix limbata
- Helix leucozona
- Helix lineolata
- Helix lucescens
- Helix lowei
- Helix lutestens
- Helix lyelliana
- Helix macandrewiana
- Helix mac-neili
- Helix madagascariensis
- Helix magnifica
- Helix micromphala
- Helix minutialis
- Helix militaris
- Helix argonautula
- Helix armillata Lowe 1852
- Helix arenosa Krynicki 1836
- Helix armitageana
- Helix arridens
- Helix atlantidea
- Helix atiensis
- Helix atrolabiata
- Helix atlasica
- Helix attrita
- Helix atropos
- Helix azorica
- Helix babindubii
- Helix austriaca
- Helix baconicus
- Helix balcanica Kobelt 1903
- Helix badiella
- Helix barbula Ross. 1838
- Helix barbata Ferussac 1832
- Helix barbosae
- Helix berkelei
- Helix beaumieri
- Helix bertheloti
- Helix bethencourtiana
- Helix bewsheriana
- Helix bicarinata
- Helix bidentata Gmelin 1791
- Helix bifrons
- Helix bouvieri
- Helix bilamellata
- Helix buddhae
- Helix brandtii
- Helix candidula
- Helix candicans Pfeiffer 1841
- Helix carthusianella ssp. incolata
- Helix cazenavetti
- Helix cellaria
- Helix cespitum
- 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