(from the article `oyster`) ...released by the female at one time. Commercially, C. virginica is the most important North American mollusk. C. angulata occurs in coastal waters ... Found on http://www.britannica.com/eb/a-z/j/8
Ostrea gigasnoun a large oyster native to Japan and introduced along the Pacific coast of the United States; a candidate for introduction in Chesapeake Bay Found on https://www.encyclo.co.uk/local/20974