
The Veneroida or veneroids are an order of mostly saltwater but also some freshwater bivalve molluscs. This order includes many familiar groups such as many clams and cockles that are valued for food, and a number of freshwater bivalves including the invasive species of zebra mussels. Until recently, the Carditoida (cockles and their allies) were ...
Found on
http://en.wikipedia.org/wiki/Veneroida

(from the article `bivalve`) ...to form long inhalant and exhalant siphons; mostly marine but also estuarine and freshwater; some epibyssate, some bore soft rocks and wood; ...
Found on
http://www.britannica.com/eb/a-z/v/13
No exact match found.