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Eastern Elliptio
Elliptio complanata
246 observations
Zebra Mussel
Dreissena polymorpha
188 observations
Eastern Whitelip
Neohelix albolabris
157 observations
Leopard Slug
Limax maximus
137 observations
Eastern Lampmussel
Lampsilis radiata
115 observations
Winding Mantleslug
Philomycus flexuolaris
113 observations
Western Dusky Slug
Arion subfuscus
81 observations
Threeridge Valvata
Valvata tricarinata
80 observations
Milky Slug
Deroceras reticulatum
76 observations
Eastern Floater
Pyganodon cataracta
68 observations
Banded Mystery Snail
Callinina georgiana
56 observations
Chinese Mystery Snail
Margarya chinensis
54 observations
Marsh Ramshorn
Planorbella trivolvis
46 observations
Plain Pocketbook
Lampsilis cardium
37 observations
Herrington fingernailclam
Sphaerium occidentale
29 observations
Grooved Fingernailclam
Sphaerium simile
22 observations
Brown-lipped Snail
Cepaea nemoralis
21 observations
Freshwater Pearl Mussel
Margaritifera margaritifera
20 observations
Rounded Snail
Gonyodiscus rotundatus
20 observations
Toga Mantleslug
Philomycus togatus
19 observations
Pointed Campeloma
Campeloma decisum
18 observations
Pink Heelsplitter
Potamilus alatus
13 observations
Invasive
Mud Bithynia
Bithynia tentaculata
12 observations
Meadow Slug
Deroceras laeve
12 observations
Black Gloss Snail
Zonitoides nitidus
12 observations
Bellmouth Ramshorn
Planorbella campanulata
11 observations
Fragile Papershell
Potamilus fragilis
11 observations
Giant Floater
Pyganodon grandis
10 observations
Changeable Mantleslug
Megapallifera mutabilis
9 observations
Glossy Pillar
Cochlicopa lubrica
8 observations
Greater Eastern Peaclam
Pisidium dubium
8 observations
Flamed Tigersnail
Anguispira alternata
7 observations
Quick Gloss Snail
Zonitoides arboreus
7 observations
Invasive
White-lipped Snail
Cepaea hortensis
6 observations
Creek Heelsplitter
Lasmigona compressa
6 observations
Oval Ambersnail
Novisuccinea ovalis
5 observations
Rhomboid Fingernailclam
Sphaerium rhomboideum
5 observations
Two-ridged Ramshorn
Helisoma anceps
4 observations
Acute Bladder Snail
Physella acuta
4 observations
Lymnaea jugularis
Lymnaea jugularis
4 observations
Asian Clam
Corbicula fluminea
3 observations
Flutedshell
Lasmigona costata
3 observations
New Zealand Mudsnail
Potamopyrgus antipodarum
3 observations
Creeper
Strophitus undulatus
3 observations
Hedgehog Slug
Arion intermedius
3 observations
Costate Vallonia
Vallonia costata
3 observations
Marsh Pond Snail
Ladislavella elodes
3 observations
Hairy Snail
Trochulus hispidus
2 observations
Blunt Ambersnail
Oxyloma retusum
2 observations
Forest Disc
Discus whitneyi
2 observations
Frequently Asked Questions
- The 10 most common molluscs in Vermont are:
- Eastern Elliptio (Elliptio complanata)
- Zebra Mussel (Dreissena polymorpha)
- Eastern Whitelip (Neohelix albolabris)
- Leopard Slug (Limax maximus)
- Eastern Lampmussel (Lampsilis radiata)
- Winding Mantleslug (Philomycus flexuolaris)
- Western Dusky Slug (Arion subfuscus)
- Threeridge Valvata (Valvata tricarinata)
- Milky Slug (Deroceras reticulatum)
- Eastern Floater (Pyganodon cataracta)
- The most observed mollusc in Vermont is Eastern Elliptio (Elliptio complanata), with 246 recorded observations.
- Some of the most commonly observed invasive molluscs in Vermont include:
- Mud Bithynia (Bithynia tentaculata)
- White-lipped Snail (Cepaea hortensis)