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Roman Snail
Helix pomatia
187 observations
Bush snail
Fruticicola fruticum
116 observations
Black-headed Slug
Krynickillus melanocephalus
74 observations
Copse Snail
Arianta arbustorum
73 observations
Lymnaea stagnalis
Lymnaea stagnalis
72 observations
Ash-black Slug
Limax cinereoniger
67 observations
Great Ram's-horn
Planorbarius corneus
54 observations
Northern Dusky Slug
Arion fuscus
46 observations
Swollen River-mussel
Unio tumidus
45 observations
Duck Mussel
Anodonta anatina
42 observations
Common European Ambersnail
Succinea putris
38 observations
Plaited Door-snail
Cochlodina laminata
35 observations
Painter's Mussel
Unio pictorum
30 observations
Brown-lipped Snail
Cepaea nemoralis
29 observations
Zebra Mussel
Dreissena polymorpha
28 observations
Harmozica ravergiensis
Harmozica ravergiensis
24 observations
Hairy Snail
Trochulus hispidus
18 observations
Lister's River-snail
Viviparus contectus
18 observations
Pellucid Glass-snail
Vitrina pellucida
17 observations
Discus ruderatus
Discus ruderatus
17 observations
Common River-snail
Viviparus viviparus
14 observations
Turkish Snail
Helix lucorum
14 observations
Perforatella bidentata
Perforatella bidentata
12 observations
White-lipped Snail
Cepaea hortensis
10 observations
Eastern Heath Snail
Xerolenta obvia
10 observations
Spanish Slug
Arion vulgaris
9 observations
Large Leaf Snail
Euomphalia strigella
9 observations
Black Gloss Snail
Zonitoides nitidus
9 observations
Leopard Slug
Limax maximus
8 observations
Mud Bithynia
Bithynia tentaculata
8 observations
Margined Ram's-horn
Planorbis planorbis
8 observations
Lemon Slug
Malacolimax tenellus
8 observations
Greater European Pea Clam
Pisidium amnicum
7 observations
Thick-shelled Mussel
Unio crassus
6 observations
Big-eared Radix
Radix auricularia
6 observations
European Fingernail Clam
Sphaerium corneum
6 observations
Compressed River-mussel
Pseudanodonta complanata
4 observations
Macrogastra plicatula
Macrogastra plicatula
4 observations
Common Bladder Snail
Physa fontinalis
3 observations
River Orb-mussel
Sphaerium rivicola
3 observations
Glossy Pillar
Cochlicopa lubrica
3 observations
Lake Fingernailclam
Musculium lacustre
3 observations
Shiny Ram's-horn
Segmentina nitida
3 observations
Deroceras caucasicum
Deroceras caucasicum
3 observations
Helix albescens
Helix albescens
2 observations
River Limpet
Ancylus fluviatilis
2 observations
European Stream Valvata
Valvata piscinalis
2 observations
Swan Mussel
Anodonta cygnea
2 observations
Lake Limpet
Acroloxus lacustris
2 observations
Three-tooth Bulin
Chondrula tridens
2 observations
Frequently Asked Questions
- The 10 most common molluscs in Tver' are:
- Roman Snail (Helix pomatia)
- Bush snail (Fruticicola fruticum)
- Black-headed Slug (Krynickillus melanocephalus)
- Copse Snail (Arianta arbustorum)
- Lymnaea stagnalis
- Ash-black Slug (Limax cinereoniger)
- Great Ram's-horn (Planorbarius corneus)
- Northern Dusky Slug (Arion fuscus)
- Swollen River-mussel (Unio tumidus)
- Duck Mussel (Anodonta anatina)
- The most observed mollusc in Tver' is Roman Snail (Helix pomatia), with 187 recorded observations.