| Table 25. Snail species that could colonize Independent Quarry (ref. 17) | ||
|---|---|---|
| Species: | Portland status: | |
| Wet areas: | ||
| Succinea putris | Amber Snail | local |
| Vitrea crystallina | Crystal Snail | local |
| Euconulus fulvus | Tawny Snail | local |
| Deroceras laeve | Marsh Slug | local |
| Shady areas: | ||
| Pomatias elegans | Round-mouthed Snail | widespread |
| Cochlicopa lubrica | Slippery Moss Snail | local |
| Discus rotundatus | Round Snail | very common |
| Arion hortensis | Garden Slug | very common |
| Aegopinella pura | Clear Glass Snail | local |
| Aegopinella nitidula | Smooth Glass Snail | widespread |
| Oxychilus alliarius | Garlic Snail | local |
| Tandonia sowerbyi | Sowerby's Slug | widespread |
| Tandonia budapestensis | Budapest Slug | widespread |
| Deroceras reticulatum | Netted Slug | widespread |
| Deroceras caruanae | a slug | widespread |
| Dry stony areas: | ||
| Pyramidula rupestris | Rock Snail | very common |
| Lauria cylindracea | Common Chrysalis Snail | common |
| Oxychilus cellarius | Cellar Snail | common |
| Oxychilus helveticus | Glossy Glass Snail | common |
| Trichia hispida | Hairy Snail | local |
| Cepaea nemoralis | Brown-lipped Snail | local |
| Vitrea contracta | Milky Crystal Snail | local |
| Balea perversa | Tree Snail | local |
| Dry grassy areas: | ||
| Pupilla muscorum | Moss Snail | local |
| Arion ater | Black Slug | very common |
| Vitrina pellucida | Pellucid Glass Snail | very common |
| Candidula intersecta | Wrinkled Snail | widespread |
| Cernuella virgata | Striped Snail | widespread |
| Trichia striolata | Strawberry Snail | abundant |
| Cepaea hortensis | White-lipped Snail | abundant |
| Helix aspersa | Garden Snail | very common |
| Cochlicopa lubricella | Least Slippery Snail | local |
| Truncatellina callicratis | British Whorl Snail | national rarity |
| Vertigo pygmaea | Common Whorl Snail | local |
| Abida secale | Large Chrysalis Snail | declining |
| Vallonia costata | Ribbed Grass Snail | local |
| Oxychilus draprarnaudi | Draparnaud's Snail | local |