Species (741)
- Helix pulverulenta
- Helix pumilio
- Helix pusilla
- Helix punctulata
- Helix punctata
- Helix pygmaea
- Helix pyrrhozona
- Helix pyramidata
- Helix quadricincta
- Helix reboudiana
- Helix raddei
- Helix radicalis
- Helix redtenbacheri
- Helix rerayana
- Helix rodriguezensis
- Helix rotundata
- Helix rubiginosa
- Helix rozeti Michaud 1833
- Helix ruderata Ferussac 1821
- Helix rubiginosus
- Helix ruderatus Hartmann 1821
- Helix rudis
- Helix rugosa
- Helix rufescens
- Helix rugosiuscula
- Helix saponacea
- Helix rupestris
- Helix rupestris ssp. spirula
- Helix sanderi
- Helix sarcostoma
- Helix schahbulakensis Linne 1758
- Helix saulcyi
- Helix schensiensis
- Helix schlaerotricha
- Helix semitecta Hartmann 1843
- Helix semiplicata Hidalgo 1870
- Helix secernanda
- Helix senckenbergiana
- Helix sericea
- Helix sepulcralis
- Helix serpentina
- Helix servilis
- Helix serta
- Helix sganziniana
- Helix setigera
- Helix setosa
- Helix similaris
- Helix sicana
- Helix solaria
- Helix singifuensis
- Helix souverbiana
- Helix solitaria Poiret 1801
- Helix sphaerula
- Helix spirorbis
- Helix spirula
- Helix splendida
- Helix stellaris
- Helix stelzneriana
- Helix stephanophora
- Helix squalida
- Helix stimpsoni
- Helix stragulum
- Helix strobeliana
- Helix strigella ssp. altenana
- Helix subapicina
- Helix studeriana
- Helix submissa
- Helix suarezensis
- Helix subplicata
- Helix subsepulcralis
- Helix subsimilis
- Helix suturalis
- Helix sylvatica
- Helix tenuilabris
- Helix tectiformis
- Helix temperata
- Helix tenuicosta
- Helix terrestris
- Helix terceirana
- Helix terveri
- Helix terveriana
- Helix testudinalis
- Helix testudo
- Helix tetrica
- Helix mograbina
- Helix monas
- Helix monilifera
- Helix monodon ssp. unidens
- Helix moniziana
- Helix monodon
- Helix monographa
- Helix montana
- Helix morata
- Helix multigranosa
- Helix multipunctata
- Helix multispirata
- Helix muralis
- Helix myristica
- Helix neglecta
- Helix niciensis