Nucula proxima Say, 1822, also known as the Atlantic Nutclam is a North American bivalve mollusk. It is found shallowly buried in sand mainly on the coastlines of New England, but is distributed as far north as Nova Scotia and as far south as Florida. N. proxima is a small clam, usually around 7 mm, but can be as large as 12 mm in shell length. They are labial palp deposit feeders, feeding on organic material and bacteria.