Donax is a genus of small, edible saltwater clams, marine bivalve mollusks. The genus is sometimes known as bean clams or wedge shells.
French late 18th century engraving of shells after the drawings of Henry Redoute, the brother of the great botanical artist Pierre Joseph Redoute.
From Charles-Joseph Panckoucke's 'Tableau Encyclopedique et Methodique des Trois Regnes de la Nature', 1791-1797.