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Brown-lipped Snail
Cepaea nemoralis
4,833 observations
Leopard Slug
Limax maximus
3,124 observations
Atlantic Ribbed Mussel
Geukensia demissa
1,654 observations
Eastern Oyster
Crassostrea virginica
1,512 observations
Northern Quahog
Mercenaria mercenaria
918 observations
Eastern Mudsnail
Ilyanassa obsoleta
892 observations
Common Atlantic Slippersnail
Crepidula fornicata
880 observations
Soft-shelled Clam
Mya arenaria
765 observations
Atlantic Bay Scallop
Argopecten irradians
718 observations
Atlantic Jackknife
Ensis leei
648 observations
Rounded Snail
Gonyodiscus rotundatus
563 observations
West Atlantic Surfclam
Spisula solidissima
507 observations
Knobbed Whelk
Busycon carica
422 observations
Channeled Whelk
Busycotypus canaliculatus
400 observations
Zebra Mussel
Dreissena polymorpha
400 observations
Shark Eye
Neverita duplicata
398 observations
Blue Mussel
Mytilus edulis
382 observations
Common Jingle
Anomia simplex
372 observations
Milky Slug
Deroceras reticulatum
372 observations
Eastern Elliptio
Elliptio complanata
313 observations
Common Periwinkle
Littorina littorea
270 observations
Eastern Oyster Drill
Urosalpinx cinerea
250 observations
Western Dusky Slug
Arion subfuscus
232 observations
Chinese Mystery Snail
Margarya chinensis
221 observations
Threeline Mudsnail
Ilyanassa trivittata
215 observations
Asian Clam
Corbicula fluminea
202 observations
Blood Ark
Lunarca ovalis
199 observations
Changeable Mantleslug
Megapallifera mutabilis
195 observations
Northern Moonsnail
Euspira heros
160 observations
Winding Mantleslug
Philomycus flexuolaris
138 observations
Fossor Coquina
Donax fossor
134 observations
Banded Mystery Snail
Callinina georgiana
129 observations
Quagga Mussel
Dreissena bugensis
126 observations
Stout Tagelus
Tagelus plebeius
124 observations
Eastern Floater
Pyganodon cataracta
123 observations
Chestnut Clam
Isocrassina castanea
111 observations
Northern Dwarf-tellin
Ameritella agilis
102 observations
Glossy Pillar
Cochlicopa lubrica
101 observations
Atlantic Macoma
Macoma petalum
96 observations
Atlantic Rangia
Rangia cuneata
95 observations
Garden Arion
Arion hortensis
93 observations
Two-toothed Marsh Snail
Melampus bidentatus
92 observations
Toga Mantleslug
Philomycus togatus
90 observations
Vineyard Snail
Caucasotachea vindobonensis
82 observations
Hedgehog Slug
Arion intermedius
76 observations
Dwarf Surfclam
Mulinia lateralis
74 observations
False Angelwing
Petricolaria pholadiformis
72 observations
Transverse Ark
Anadara transversa
71 observations
Striped Greenhouse Slug
Ambigolimax valentianus
66 observations
Thick-lipped Drill
Eupleura caudata
61 observations
Frequently Asked Questions
- The 10 most common molluscs in New York are:
- Brown-lipped Snail (Cepaea nemoralis)
- Leopard Slug (Limax maximus)
- Atlantic Ribbed Mussel (Geukensia demissa)
- Eastern Oyster (Crassostrea virginica)
- Northern Quahog (Mercenaria mercenaria)
- Eastern Mudsnail (Ilyanassa obsoleta)
- Common Atlantic Slippersnail (Crepidula fornicata)
- Soft-shelled Clam (Mya arenaria)
- Atlantic Bay Scallop (Argopecten irradians)
- Atlantic Jackknife (Ensis leei)
- The most observed mollusc in New York is Brown-lipped Snail (Cepaea nemoralis), with 4,833 recorded observations.