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Brown-lipped Snail
Cepaea nemoralis
4,587 observations
Leopard Slug
Limax maximus
2,991 observations
Atlantic Ribbed Mussel
Geukensia demissa
1,645 observations
Eastern Oyster
Crassostrea virginica
1,395 observations
Northern Quahog
Mercenaria mercenaria
893 observations
Eastern Mudsnail
Ilyanassa obsoleta
873 observations
Common Atlantic Slippersnail
Crepidula fornicata
872 observations
Soft-shelled Clam
Mya arenaria
761 observations
Atlantic Bay Scallop
Argopecten irradians
704 observations
Atlantic Jackknife
Ensis leei
636 observations
West Atlantic Surfclam
Spisula solidissima
502 observations
Rounded Snail
Gonyodiscus rotundatus
496 observations
Zebra Mussel
Dreissena polymorpha
400 observations
Knobbed Whelk
Busycon carica
397 observations
Channeled Whelk
Busycotypus canaliculatus
390 observations
Shark Eye
Neverita duplicata
385 observations
Blue Mussel
Mytilus edulis
380 observations
Milky Slug
Deroceras reticulatum
366 observations
Common Jingle
Anomia simplex
362 observations
Eastern Elliptio
Elliptio complanata
309 observations
Common Periwinkle
Littorina littorea
265 observations
Eastern Oyster Drill
Urosalpinx cinerea
244 observations
Western Dusky Slug
Arion subfuscus
224 observations
Chinese Mystery Snail
Margarya chinensis
218 observations
Threeline Mudsnail
Ilyanassa trivittata
207 observations
Asian Clam
Corbicula fluminea
201 observations
Blood Ark
Lunarca ovalis
198 observations
Changeable Mantleslug
Megapallifera mutabilis
172 observations
Northern Moonsnail
Euspira heros
156 observations
Fossor Coquina
Donax fossor
134 observations
Winding Mantleslug
Philomycus flexuolaris
129 observations
Banded Mystery Snail
Callinina georgiana
125 observations
Quagga Mussel
Dreissena bugensis
124 observations
Eastern Floater
Pyganodon cataracta
124 observations
Stout Tagelus
Tagelus plebeius
119 observations
Chestnut Clam
Isocrassina castanea
105 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
92 observations
Two-toothed Marsh Snail
Melampus bidentatus
92 observations
Toga Mantleslug
Philomycus togatus
81 observations
Vineyard Snail
Caucasotachea vindobonensis
80 observations
Hedgehog Slug
Arion intermedius
74 observations
Dwarf Surfclam
Mulinia lateralis
74 observations
False Angelwing
Petricolaria pholadiformis
71 observations
Transverse Ark
Anadara transversa
70 observations
Striped Greenhouse Slug
Ambigolimax valentianus
66 observations
Thick-lipped Drill
Eupleura caudata
60 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 4,587 recorded observations.