Coiled Snails Spiral Margarite Northern Rosy Margarite Northern Lacuna Common Periwinkle Smooth Periwinkle Rough Periwinkle Common Purple Sea-Snail Humphreys Wentletrap Brown-band Wentletrap Striate Cup-and-Saucer Convex Slippersnail Common Atlantic Slippersnail Eastern White Slippersnail American Pelicanfoot Shark Eye Northern Moonsnail Northern Spotted Moonsnail Miniature Moonsnail Atlantic Dogwinkle Well-ribbed Dovesnail Greedy Dovesnail Lunar Dovesnail Waved Whelk Ten-ridged Whelk Knobbed Whelk Channeled Whelk Bruised Nassa Three-lined Basketsnail Eastern Mud Snail Solitary Bubble Snail Eastern Melampus Limpets Diluvian Puncturella Tortoiseshell Limpet Clams & Bivalves File Yoldia Atlantic Awningclam Transverse Ark Blood Ark Blue Mussel Northern Horsemussel Ribbed Mussel Common Jingle Eastern Oyster Atlantic Bay Scallop Atlantic Sea Scallop Cross-hatched Lucine Northern Cyclocardia Wavy Astarte Smooth Astarte Morton's Egg Cockle Atlantic Surfclam Dwarf Surfclam Arctic Wedgeclam Atlantic Razor-Clam Atlantic Jackknife-Clam Northern Dwarf-Tellin Baltic Macoma Stout Tagelus Purplish Tagelus Queen Quahog Northern Quahog False Quahog False Angelwing Softshell-Clam Arctic Hiatella Atlantic Mud Piddock Angelwing Great Piddock Glassy Lyonsia Gould's Pandora Finding Seashells Where to Look.