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Garden Snail
Cornu aspersum
285 observations
Brown-lipped Snail
Cepaea nemoralis
211 observations
White-lipped Snail
Cepaea hortensis
124 observations
Common Periwinkle
Littorina littorea
96 observations
Kentish Nun Snail
Monacha cantiana
75 observations
Atlantic Dogwhelk
Nucella lapillus
60 observations
Copse Snail
Arianta arbustorum
58 observations
Sap-sucking Slug
Elysia viridis
53 observations
Black Slug
Arion ater
42 observations
Great Pond Snail
Lymnaea stagnalis
40 observations
Green Cellar Slug
Limacus maculatus
39 observations
Strawberry Snail
Trochulus striolatus
33 observations
Leopard Slug
Limax maximus
29 observations
Common European Limpet
Patella vulgata
28 observations
Grey Topshell
Steromphala cineraria
23 observations
Grey Mail-shell
Lepidochitona cinerea
17 observations
Plaited Door-snail
Cochlodina laminata
16 observations
Spotted Seahare
Aplysia punctata
15 observations
Blue Mussel
Mytilus edulis
13 observations
Rounded Snail
Gonyodiscus rotundatus
13 observations
Great Ram's-horn
Planorbarius corneus
12 observations
European Common Cuttlefish
Sepia officinalis
11 observations
Tree slug
Lehmannia marginata
10 observations
Common European Ambersnail
Succinea putris
8 observations
Blue-rayed Limpet
Patella pellucida
8 observations
Whirlpool Ram's-horn
Anisus vortex
8 observations
Acute Bladder Snail
Physella acuta
8 observations
barnacle-eating dorid
Onchidoris bilamellata
7 observations
River Limpet
Ancylus fluviatilis
7 observations
Duck Mussel
Anodonta anatina
7 observations
Girdled Snail
Hygromia cinctella
6 observations
Vineyard Snail
Cernuella virgata
6 observations
Hairy Snail
Trochulus hispidus
5 observations
Milky Slug
Deroceras reticulatum
5 observations
Common Whelk
Buccinum undatum
5 observations
Swan Mussel
Anodonta cygnea
5 observations
Pod Razor
Ensis siliqua
5 observations
Banded Wedge Shell
Donax vittatus
5 observations
Pullet Carpet Shell
Venerupis corrugata
5 observations
Rayed Trough Shell
Mactra stultorum
5 observations
Western Dusky Slug
Arion subfuscus
4 observations
Garden Arion
Arion hortensis
4 observations
Swollen River-mussel
Unio tumidus
4 observations
Common Cockle
Cerastoderma edule
4 observations
Hedgehog Slug
Arion intermedius
4 observations
Round-mouthed Snail
Pomatias elegans
4 observations
Otter shell
Lutraria lutraria
4 observations
Thin Tellin
Macomangulus tenuis
4 observations
Wandering Snail
Ampullaceana balthica
4 observations
Silky Snail
Ashfordia granulata
3 observations
Frequently Asked Questions
- The 10 most common molluscs in North Yorkshire are:
- Garden Snail (Cornu aspersum)
- Brown-lipped Snail (Cepaea nemoralis)
- White-lipped Snail (Cepaea hortensis)
- Common Periwinkle (Littorina littorea)
- Kentish Nun Snail (Monacha cantiana)
- Atlantic Dogwhelk (Nucella lapillus)
- Copse Snail (Arianta arbustorum)
- Sap-sucking Slug (Elysia viridis)
- Black Slug (Arion ater)
- Great Pond Snail (Lymnaea stagnalis)
- The most observed mollusc in North Yorkshire is Garden Snail (Cornu aspersum), with 285 recorded observations.