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Seashell Guide

Guide to Massachusetts Seashells

Explore the seashells found along the coast of Massachusetts.

Arrhoges occidentalis

American Pelicanfoot

Buccinum undatum

Common Whelk

Busycon carica

Knobbed Whelk

Busycotypus canaliculatus

Channeled Whelk

Colus stimpsoni

Stimpson's Whelk

Neptunea decemcostata

Ten-ridged Whelk

Neptunea despecta

Neptunea despecta

Caecum pulchellum

Beautiful Caecum

Calliostoma bairdii

Baird's Top Shell

Crepidula plana

Eastern White Slipper Snail

Crepidula fornicata

Common Atlantic Slipper Snail

Crepidula convexa

Convex Slipper Snail

Crucibulum striatum

Cup-and-saucer Limpet

Cavolinia tridentata

Three-toothed Cavoline

Astyris lunata

Lunar Dovesnail

Costoanachis avara

Greedy Dove Snail

Costoanachis translirata

Well-ribbed Dove Shell

Melampus bidentatus

Two-toothed Marsh Snail

Acirsa borealis

Chalky Wentletrap

Boreoscala greenlandica

Greenland Wentletrap

Epitonium celesti

Epitonium celesti

Epitonium dallianum

Epitonium dallianum

Epitonium multistriatum

Multiribbed Wentletrap

Epitonium championi

Champion's Wentletrap

Epitonium humphreysii

Humphrey's Wentletrap

Gyroscala rupicola

Brown-banded Wentletrap

Puncturella noachina

Noah's Keyhole Limpet

Haminella solitaria

Solitary Glassy-Bubble

Litiopa melanostoma

Sargassum Snail

Lacuna vincta

Northern Lacuna

Littoraria irrorata

Marsh Periwinkle

Littorina saxatilis

Rough Periwinkle

Littorina littorea

Common periwinkle

Littorina obtusata

Flat Periwinkle

Testudinalia testudinalis

Tortoiseshell Limpet

Kurtziella atrostyla

Brown-tip Mangelia

Pyrgocythara plicosa

Plicate Mangelia

Margarites groenlandicus

Greenland Margarite

Margarites helicinus

Pearly Topshell

Eupleura caudata

Thick-lipped Drill

Nucella lapillus

Atlantic Dogwhelk

Scabrotrophon fabricii

Scabrotrophon fabricii

Urosalpinx cinerea

Eastern Oyster Drill

Iiyanassa trivittata

Threeline Mudsnail

Ilyanassa obsoleta

Eastern Mudsnail

Phrontis vibex

Bruised Nassa

Cryptonatica affinis

Arctic Moonsnail

Euspira heros

Northern Moon Snail

Euspira triseriata

Spotted Moonsnail

Neverita duplicata

Shark Eye

Polinices immaculatus

Immaculate Moonsnail

Tectonatica pusilla

Miniature Moonsnail

Retilaskeya emersonii

Awl Miniature Cerith

Onoba aculeus

Pointed Cingula

Solariella obscura

Obscure Solarelle

Tachyrhynchus erosus

Eroded Turretsnail

Tachyrhynchus reticulatus

Reticulated Turretsnail

Vermicularia spirata

West Indian Worm Snail

Anomia simplex

Common Jingle

Heteranomia squamula

Heteranomia squamula

Anadara transversa

Transverse Ark

Lunarca ovalis

Blood Ark

Arctica islanica

Ocean Quahog

Astarte undata

Wavy Astarte

Isocrassina castanea

Chestnut Clam

Ciliatocardium ciliatum

Iceland Cockle

Laevicardium mortoni

Morton's Cockle

Serripes groenlandicus

Greenland Cockle

Cyclocardia borealis

Northern Cardita

Crassinella lunulata

Lunate Crassinella

Hiatella arctica

Wrinkled Rock Borer

Divalinga quadrisulcata

Cross-hatched Lucine

Lyonsia hyalina

Glassy Lyonsia

Mulinia lateralis

Dwarf Surfclam

Spisula raveneli

Southern Surf Clam

Spisula solidissima

West Atlantic Surf Clam

Mesodesma arctatum

Arctic Wedgeclam

Mya truncata

Truncate Soft Shell Clam

Mya arenaria

Soft-shelled Clam

Geukensia demissa

Atlantic Ribbed Mussel

Ischadium recurvum

Hooked Mussel

Modiolus modiolus

Horse Mussel

Mytilus edulis

Blue Mussel

Mytilus trossulus

Northern Bay Mussel

Nucula proxima

Small Nut Shell

Crassostrea virginica

Eastern Oyster

Ostrea edulis

European Flat Oyster

Pandora gouldiana

Common Pandora Clam

Aequipecten glyptus

Red-ribbed Scallop

Argopecten irradians

Atlantic Bay Scallop

Chlamys islandica

Icelandic Scallop

Cryptopecten phrygium

Spathate Scallop

Placopecten magellanicus

Atlantic Deep-sea Scallop

Cochlodesma leanum

Lea's Spoon Clam

Ensis leei

Atlantic Jackknife

Siliqua costata

Atlantic Razor

Barnea truncata

Fallen Angelwing

Cyrtopleura costata

Angelwing

Zirfaea crispata

Great Piddock

Cumingia sinuosa

Tellin Semele

Tagelus plebeius

Stout Tagelus

Tagelus divisus

Purplish Tagelus

Solemya velum

Swimming Clam

Ameritella versicolor

Many-colored Tellin

Macoma calcarea

Chalky Macoma

Macoma petalum

Atlantic Macoma

Macoploma tenta

Sining Macoma

Thracia conradi

Conrad Thracia

Gemma gemma

Amethyst Gem Clam

Mercenaria mercenaria

North Quahog

Mercenaria campechiensis

Southern Quahog

Petricolaria pholadiformis

False Angelwing

Agriopoma morrhuanum

False Quahog

Megayoldia thraciaeformis

Broad Yoldia

Yoldia sapotilla

Short Yoldia

Yoldia limatula

File Yoldia

Argonauta argo

Paper Nautilus

Spirula spirula

Ram's Horn Squid

Antalis entalis

Occidental Tusk Shell

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