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New Hampshire Seashells

This guide includes shells found on New Hampshire's coast. It focuses on marine shells and some things in adjacent habitats (brackish inlets, ect). I will continue to add to this guide in the future!

Tortoiseshell Limpet

Testudinalia testudinalis

(O. F. Muller, 1776)

Solitary Glassy-Bubble

Haminella solitaria

(Say, 1822)

Two-toothed Marsh Snail

Melampus bidentatus

Say, 1822

Noah's Keyhole Limpet

Puncturella noachina

(Linnaeus, 1771)

American Pelicanfoot

Arrhoges occidentalis

(Beck, 1836)

Eastern White Slipper Snail

Crepidula plana

Say, 1822

Common Atlantic Slipper Snail

Crepidula fornicata

(Linnaeus, 1758)

Convex Slipper Snail

Crepidula convexa

Say, 1822

Cup-and-saucer Limpet

Crucibulum striatum

(Say, 1826)

Northern Lacuna

Lacuna vincta

(Montagu, 1803)

Rough Periwinkle

Littorina saxatilis

(Olivi, 1792)

Common periwinkle

Littorina littorea

(Linnaeus, 1758)

Flat Periwinkle

Littorina obtusata

(Linnaeus, 1758)

Arctic Moonsnail

Cryptonatica affinis

(Gmelin, 1791)

Northern Moon Snail

Euspira heros

(Say, 1822)

Spotted Moonsnail

Euspira triseriata

(Say, 1826)

Immaculate Moonsnail

Polinices immaculatus

(Totten, 1835)

Common Whelk

Buccinum undatum

Linnaeus, 1758

Stimpson's Whelk

Colus stimpsoni

(Morch, 1868)

Ten-ridged Whelk

Neptunea decemcostata

(Say, 1826)

Neptunea despecta

Neptunea despecta

(Linnaeus, 1758)

Lunar Dovesnail

Astyris lunata

(Say, 1826)

Well-ribbed Dove Shell

Costoanachis translirata

(Ravenel, 1861)

Brown-tip Mangelia

Kurtziella atrostyla

(Tryon, 1884)

Atlantic Dogwhelk

Nucella lapillus

(Linnaeus, 1758)

Scabrotrophon fabricii

Scabrotrophon fabricii

(Moller, 1842)

Eastern Oyster Drill

Urosalpinx cinerea

(Say, 1822)

Threeline Mudsnail

Iiyanassa trivittata

(Say, 1822)

Eastern Mudsnail

Tritia obsoleta

(Say, 1822)

Greenland Margarite

Margarites groenlandicus

(Gmelin, 1791)

Pearly Topshell

Margarites helicinus

(Phipps, 1774)

Obscure Solarelle

Solariella obscura

(Couthouy, 1838)

Chalky Wentletrap

Acirsa borealis

(Lyell, 1841)

Greenland Wentletrap

Boreoscala greenlandica

(Perry, 1811)

Epitonium celesti

Epitonium celesti

(Aradas, 1854)

Eroded Turretsnail

Tachyrhynchus erosus

(Couthouy, 1838)

Reticulated Turretsnail

Tachyrhynchus reticulatus

(Mighels & C. B. Adams, 1842)

Glassy Lyonsia

Lyonsia hyalina

(Conrad, 1831)

Common Pandora Clam

Pandora gouldiana

Dall, 1886

Lea's Spoon Clam

Cochlodesma leanum

(Conrad, 1831)

Conrad Thracia

Thracia conradi

Couthouy, 1839

Wrinkled Rock Borer

Hiatella arctica

(Linnaeus, 1767)

Atlantic Jackknife

Ensis leei

M. Huber, 2015

Atlantic Razor

Siliqua costata

(Say, 1822)

Iceland Cockle

Ciliatocardium ciliatum

(Fabricius, 1780)

Morton's Cockle

Laevicardium mortoni

(Conrad, 1831)

Greenland Cockle

Serripes groenlandicus

(Mohr, 1786)

Atlantic Macoma

Limecola petalum

(Valenciennes in Humboldt & Bonpland, 1821)

Chalky Macoma

Macoma calcarea

(Gmelin, 1791)

Sining Macoma

Macoploma tenta

(Say, 1838)

Chestnut Clam

Astarte castanea

(Say, 1822)

Wavy Astarte

Astarte undata

Gould, 1841

Northern Cardita

Cyclocardia borealis

(Conrad, 1832)

Truncate Soft Shell Clam

Mya truncata

Linnaeus, 1758

Soft-shelled Clam

Mya arenaria

Linnaeus, 1758

Great Piddock

Zirfaea crispata

(Linnaeus, 1758)

Atlantic Ribbed Mussel

Geukensia demissa

(Dillwyn, 1817)

Horse Mussel

Modiolus modiolus

(Linnaeus, 1758)

Blue Mussel

Mytilus edulis

Linnaeus, 1758

Northern Bay Mussel

Mytilus trossulus

Gould, 1850

Broad Yoldia

Megayoldia thraciaeformis

(Storer, 1838)

Short Yoldia

Yoldia sapotilla

(Gould, 1841)

File Yoldia

Yoldia limatula

(Say, 1831)

Small Nut Shell

Nucula proxima

Say, 1822

Eastern Oyster

Crassostrea virginica

(Gmelin, 1791)

European Flat Oyster

Ostrea edulis

Linnaeus, 1758

Common Jingle

Anomia simplex

d'Orbigny, 1853

Heteranomia squamula

Heteranomia squamula

(Linnaeus, 1758)

Icelandic Scallop

Chlamys islandica

(O. F. Muller, 1776)

Atlantic Deep-sea Scallop

Placopecten magellanicus

(Gmelin, 1791)

Swimming Clam

Solemya velum

Say, 1822

Ocean Quahog

Arctica islanica

Schumacher, 1817

Dwarf Surfclam

Mulinia lateralis

(Say, 1822)

West Atlantic Surf Clam

Spisula solidissima

(Dillwyn, 1817)

Arctic Wedgeclam

Mesodesma arctatum

(Conrad, 1831)

Amethyst Gem Clam

Gemma gemma

(Totten, 1834)

North Quahog

Mercenaria mercenaria

(Linnaeus, 1758)

False Angelwing

Petricolaria pholadiformis

(Lamarck, 1818)

False Quahog

Agriopoma morrhuanum

(Dall, 1902)

Ram's Horn Squid

Spirula spirula

(Linnaeus, 1758)

Occidental Tusk Shell

Antalis entalis

(Linnaeus, 1758)

Created by Chandler Olson

Last Updated: 04/18/2024

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