Introduced Land Snails and Slugs in Canada
The list below is based on the recently published Identifying Land snails and Slugs in Canada: Introduced species and Native Genera (Grimm, Forsyth, Schueler & Karstad, 2010).
Family Ellobiidae
Carychium minimum Müller 1774: Herald Thorn photo
Family Succineidae
Oxyloma pfeifferi (Rossmässler 1835): Pfeiffer Ambersnail
Succinea putris (Linnaeus 1758): European Ambersnail
Succinella oblonga (Draparnaud 1801): Small Ambersnail
Family Lauriidae
Lauria cylindracea (Da Costa 1778): Chrysalis Snail photo
Family Valloniidae
Vallonia excentrica Sterki 1893: Iroquois Vallonia [introduced to BC]
Vallonia pulchella (Müller 1774): lovely Vallonia [introduced to BC]
Family Ferussaciidae
Cecilioides acicula (Müller 1774): Blind Awlsnail
Family Testacellidae
Testacella haliotidea Draparnaud 1801: Ear-shell Slug
Family Discidae
Discus rotundatus (Müller 1774): Rotund Disc
Family Oxychilidae
Aegopinella nitidula (Draparnaud 1805): Waxy Glass-snail
Oxychilus alliarius (Miller 1822): Garlic Glass-snail
Oxychilus cellarius (Müller 1774): Cellar Glass-snail
Oxychilus draparnaudi (Beck 1837): Dark-bodied Glass-snail photo
Family Pristilomatidae
Vitrea contracta (Westerlund 1871): Contracted Glass-snail
Family Milacidae
Milax gagates (Draparnaud 1801): Greenhouse Slug
Family Limacidae
Lehmannia marginata (Müller 1774): Tree Slug
Lehmannia valentiana (Férussac in Férussac & Deshayes 1822): Threeband Gardenslug
Limacus flavus (Linnaeus 1758): Yellow Gardenslug
Limax maximus Linnaeus 1758: Giant Gardenslug photo
Family Agriolimacidae
Deroceras panormitanum (Lessona & Pollonera 1882): Longneck Fieldslug photo
Deroceras reticulatum (Müller 1774): Grey Fieldslug photo
Family Boettgerillidae
Boettgerilla pallens Simroth 1912: Wormslug
Family Arionidae
Arion rufus (Linnaeus 1758): Chocolate Arion photo
Arion fasciatus (Nilsson 1823): Orange-banded Arion
Arion circumscriptus Johnston 1828: Brown-banded Arion photo
Arion silvaticus Lohmander 1937: Forest Arion
Arion intermedius Normand, 1852: Hedgehog Arion
Arion hortensis Férussac 1819: Garden Arion
Arion distinctus Mabille 1868: Darkface Arion
Arion subfuscus (Draparnaud 1805): Dusky Arion photo
Family Helicidae
Arianta arbustorum (Linnaeus 1758): Copse Snail
Cepaea hortensis (Müller 1774): White-lip Gardensnail [introduced to Ontario]
Cepaea nemoralis (Linnaeus 1758): Grovesnail photo
Cornu aspersum (Müller 1774): Brown Gardensnail photo
Family Hygromiidae
Monacha cantiana (Montagu 1803): Kentish Gardensnail * [established?]
Trochulus hispidus (Linnaeus 1758): hairy helicellid
Trochulus striolatus (C. Pfeiffer 1828): furrowed helicellid photo
Xerolenta obvia (Menke 1828): heath helicellid
Family Polygyridae
Patera appressa (Say 1821): Flat Bladetooth